CURRICULUM • LABS • ACTIVITIES • KITS ... - Kelvin Electronics

®EDUCATIONALCURRICULUM • LABS • ACTIVITIES • KITS • MATERIALS • PARTSTrainersPages 17-24KitsPages 2-14PartsPages 41-68EquipmentPages 25-30ToolsPages 31-37SoftwarePages 15-16QUICK PRODUCT INDEXAudio..........................................63Basic 3 Trainer ..........................18Batteries ................................66-67Bulbs ..........................................55Cables/Cords ..............................65Capacitors ..................................56Circuit Design ..................14, 38-40Circuit Wizard..............................14Computers ..................................65Diodes ........................................58Elect/Ronix Trainers....................20Electrical ....................................62Electronic Kits ..........................2-14Equipment ............................25-30Etching Supplies ....................38-39Everything Trainers ....................19Fuses ..........................................53Integrated Circuits..................60-61KELVIN ® Electronic Kits ........4-7, 23Labs ..............................8-9, 13, 14Laptop Digital Trainer ..................21Leads & Clips ..............................42LEDs............................................54Logic Challenge Trainer................21Multimeters ..........................26-27Parts ......................................41-68Plugs & Jacks ..............................43Potentiometers ............................48Power Supplies............................25Project Cases ........................46-47Rectifiers ....................................58Relays ........................................52Resistors ....................................57Sensors ......................................52Software ................................15-16Soldering ..............................36-37Stepper Motor Trainer ..................23Switches ................................49-51Terminals ....................................41Tools......................................31-37Trainers..................................17-24Transistors ..................................59Troubleshooting Trainers ..............22Video ..........................................64Wire ......................................44-45CANADIAN SCHOOLSOpen P.O. accepted.Shipping from Ontario(U.S. orders ship from New York).Catalog prices are in US $.For More Information,Visit www.kelvin.comToll-free USA & Canada,1-800-KELVIN-9 (EST)Complete Science, Technology & Electronics Catalog Online at www.kelvin.com

KELVIN ® ELECTRONICSWe Carry A Complete Selection ofElectronic Tools & ComponentsCheck Us Out On The Web!www.KELVIN.comBreadboardsAsLowAs$3 95eachInstrument CasesPagesDiffusedLEDsLowAs4 ¢ eachAsLow46-47PagePage5455MiniBulbsAs30 ¢ eachLow voltage.AsLowAs$2 65eachPushbuttonSwitchPage51Page39555TimersAs20 ¢ LowAs eachPageTransistorsLowAs8 ¢ eachPageAsLowAsFahnestockClipsMiniBulbSocket$1 15eachAsLowAs 85ProjectBuzzer¢each61 555 Timers 59 55 Page 49As49 ¢ eachAsLowPageSpeakersFor YourProjectsPhotoCellsUp/DownSlideSwitchAs40 ¢ LoweachReed Switch& Magnets$3 45eachAsAs85 ¢ LowLowAsAs each63 450 Ohms 52 50 52PageAlkalineBatteriesAsLowAs6675 ¢ eachProject WireAsLow $6 95As eachPage4422 AWG. Stripped at bothends. 10” long. 50/pkg.100 - Wheels w/ End Cap100 - Wheels w/ Ctr. Hole200 - Dragster Wheels20 - Mouse Trap Wheels40 - CD Wheel Adapters100 - Gear Wheels100 - Front Gear Wheels100 - 2-1/4"” Axles100 - 2-1/2” Axles100 - Economy Gears80 - Economy Cams1 - Sprocket Chain10 - Worm GearsPicture forIllustration OnlySlottedOptocouplerAsLowAs$3 95 eachPage52Mechanical & Prototype10 - Bevel Gears10 - Rack Gears100 - Economy Pulleys20 - Economy Motors20 - Hi-Speed Motors24 - Hi-Performance Motors24 - Hi-Speed Propellers10 - 1" Boat Propellers20 - Motor Holders30 - Crank Handles100 - Spring Assortment2 - Motor/Gear Box Kits1 - BONUS: Storage Cartwww.kelvin.comMini AlligatorClipsLowAs17 ¢each42StackableBananaPlugsAs89 ¢ LoweachPagePagePage4334 52Eveready or DuracellQuality AAWe also carry awide variety of othertypes of batteries!PageAsLowAs 35PlasticBatteryHolders¢eachAA Lugs67LDR ResistorLight dependent.Copyright © Kelvin L.P.2 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

E L E C T R O N I C SCOURSESLearn & Have Fun! A Selection of Kits & Courses for Your StudentsPractical Soldering Project I KitWorking with printed circuit boards is in the futureof every electronic technician. Almost every electronicdevice today has a printed circuit board and whetheryou are assembling a PC board or repairing it, youmust understand the basics of working with theseboards.Good soldering requires practice and anunderstanding of soldering principles. This solderpractice project will help you achieve good solderingtechniques, help you become familiar with a varietyof electronic components, and provide you withdynamic results. Kit comes with a soldering iron andside cutters. Requires a 9V battery.Practical Soldering Project I Kit282459 Kit ....................$13.95 or $12.95 ea./10+Practical Soldering Project II Kit282460 Kit ..........................$9.95 or $8.95 ea./3+Before You Learn Electronics,Learn About Electronic PartsResistorsSemiconductorsOthersCapacitorsCoilsTransformersElectronic Components I.D. CourseOver 50 PARTS Included with the Course! 28page manual with dozens of illustrations includesdetailed descriptions of all parts, their functions ina circuit, color codes, and five self tests.282432 ..............................$9.95 or $9.45 ea./3+Surface Mount Technology SolderPractice Kit with Training CourseThe future of many electronics is headed forminiaturization through surface mount technology(SMT). Taking our course of training will prepare youfor the future.The kit includes all parts and instructions to giveyou experience on working with surface mountcomponents.The finished project is a decision maker with6 flashing LEDs to help you make vital decisions.Requires a 9V battery.282461 Kit ......................$21.95 or $19.95 ea./3+Remote Control Car KitBuild a R/C car from theground up! Usethis systemto learnabout gears,motors andmore. "Nosoldering" versionincludes preassembled circuit board. "Solderingrequired" version needs assembly and soldering ofprinted circuit board (kit includes detailed assemblyinstructions).Features include: Remote Control with sevenFunctions, Flashing Top Light, Single Channel, anddetailed Assembly Manual. Ages 10 and up.280511 No Soldering Kit ....$29.95 or $27.95 ea./3+280512 Soldering Kit..........$29.95 or $27.95 ea./3+Telephone Kit with Training CourseBuild a pushbutton telephone equipped with thefollowing features: Pulse/tone dialing, automaticredial, a ringer turn off switch, [4] neon bulbs forvisual ringing indicator, and a clear see-through caseto show the total inner workings of the phone. Clearsee-through case and wall mounting cradle included.280111 No Soldering Kit ....$29.95 or $26.95 ea./3+282428 Soldering Kit ........$23.95 or $22.95 ea./3+AM/FM Radio KitAM/FM Radio Kit with Training CourseThis radio kit now includes Integrated Circuittechnology. “Superheterodyne” designed to receivestandard AM (amplitude modulation) and FM(frequency modulation) broadcast frequencies.Includes radio mounting stand. The PC Boardmeasures 5-1/4” H x 11-5/8” W. Kit RequiresSoldering and a 9V DC Battery.840479 Kit ......................$29.95 or $28.95 ea./6+AM Radio Kits with Training CourseAM Radio KitsAn Easy-to-Build complete radio on a single printed circuitboard. Unique design allows you to place parts over itscorresponding symbol on the PC board. Teaches the basictheory of AM radio operation. Detailed instructions andillustrations make it an easy and educationally soundproject. Kits require Soldering and a 9V DC Battery.280642 2 IC AM Radio Kit ..........$13.95 or $12.95 ea./6+840262 AM Radio Kit ................$19.95 or $18.95 ea./6+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 3

KELVIN ® ECONOMY KITS ELECTRONICSSENSING & CONTROL KITSLIGHT KITSTouch Control Circuit ● ■Ideal for use with your alarm orautomation projects.This kit willdemonstrate how to activate a relayjust by touching the ON probe. Bytouching the OFF probe, the relay isdeactivated.841130 Kit ....$4.95 or $3.95 ea./10+Light Activated Circuit ●This kit uses a light to activate arelay that will trigger your alarmor your robotic system to operate. Ithas a built-in photocell, plus a relayand a potentiometer for sensitivityadjustment.841129 Kit ....$5.95 or $4.95 ea./10+ASLOW ASBlinking LEDs ●When you want the attention, put thiskit on your shirt–but first, you have toassemble and test it! This kitdemonstrates how to blink two LEDswith common electronic componentssuch as capacitors and resistors.841123 Kit ....$2.95 or $1.95 ea./10+Micro-Mazer ●The layout of components gives thiskit a ‘robotic face’. Blinking LED eyesgive it a personality. The kit has [2]blinking LEDs for eyes, and a jumboLED for a nose.841124 Kit ....$6.45 or $5.45 ea./10+Sound Activated Circuit ●Ideal kit for robotic and automationprojects. By using sound or voicesources, a relay is energized. Increaseor decrease the microphone level withthe sensitivity adjustment.841128 Kit ....$9.95 or $8.95 ea./10+Temperature Control Circuit ● ■General purpose thermostat with a NTCtemperature sensor with a range of (41° F – 86°F).A relay output control’s high power load witha 30 second hysteresis. Use with #430202enclosure on page 306.841591 Kit....................$9.75 or $9.45 ea./10+● Requires a 9V DCBattery (#220019).▲ Requires [2] 'AA'Batteries(#220016).Speed ControlUse Pulse-Width Modulation (PWM)to vary the speed of a DC motor from0 to 100%. Can be used for any DCmotors from 3 to 25 Volt with 3 Ampmaximum current draw. It is ideal tocontrol the speed of a fan, toy motor,model train and so on.841732 ....$15.95 or $14.95 ea./10+Bicycle Safety Light ▲ ■Build this kit and connect it to yourbicycle or place it on your table top oron the wall for a conversation piece.Use with #430201 enclosure on page306.841596 Kit ..$9.95 or $8.95 ea./10+StrobeLight ●This popular kit flashes at a rateyou control; from 120to 300 times per minute. ACoperated. Kit includes a predrilledPC board, components andinstructions.840662 Kit ......$13.95 or $11.95 ea./10+HollywoodMarquee Kit ● ■Includes a PC board, components andinstructions. Use with enclosure#430202 on page 306.840556 Kit ..$12.95 or $9.95 ea./10+Copyright © Kelvin L.P.4 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSKELVIN ® ECONOMY KITS● - Requires a 9V DC Battery (#220019). ▲ - Requires [2] 'AA' Batteries (#220016). ■ - Does include enclosure shown.Audio LevelMeter ●Uses anLM3915 BarGraph IC andaudio preamplifierstageto measurean audio level.The Meterincludes asensitivityadjuster toincrease and decrease the mic’s sensitivity level.841127 Kit..........................$9.95 or $8.95 ea./10+TESTING KITSContinuityTester ●This is a real testinstrument! Whentrouble-shooting, itis a great tool totest for continuity ina circuit. It hasa built-in buzzerfor a clear audiblesound. PC boardmeasures 1-1/2”x1-1/2”.841241 Kit ..........................$6.45 or $5.95 ea./10+WaterLevelMeter ●How much fluid isleft in your tank?This kit is a greattool to determinethe liquid level ina container. PCboard measures2-1/2”x2”.841126 Kit..........$5.95 or $4.95 ea./10+Dual Power SupplyThis kit contains all parts necessary to build a dualadjustable power supply to power your projects.Outputs positive-negative voltages from +/-1.25to +/-15VDC at 700mA per supply.841590 Kit ....................$23.95 or $22.45 ea./10+220136 Wall Adapter ..................................$12.95Moisture Sensor ●Use this kit to check the soil moisture of plants andkeep them alive! By placing probes in the pottingsoil of the plant, the moisture level is tested and abuzzer sounds if the level is low.841132 Kit..........................$6.95 or $5.95 ea./10+AUDIO KITSKel-Function Generator ●Real test equipment for an electronic technician orhobbyist. Produces sine, triangle and squarewaveforms with frequency range between 100Hzto 100KHz. Includes an amplitude adjustment. Usewith #430202 enclosure on page 306.841571 Kit ....................$12.75 or $12.45 ea./10+Booster Audio Amplifier ●Amplifies music from a portable CD player, audioproject or any audio signal up to 1W and relays it toa speaker with volume control (speaker included).841133 Kit..........................$5.45 or $4.45 ea./10+20 Watt Audio AmplifierAll the parts necessary to build a 20W MonoHi-Fi Amplifier using a LM1875. Amplify any smallsignal and drive an 8 ohm speaker with 1% THD.Requires a 12-30 V DC power supply.841570 Kit ....................$15.95 or $14.95 ea./10+20+20 WStereo Audio AmplifierA high quality stereo audio amplifier which operatesfrom a 12-30 Volt DC power supply. This kit containsall the parts necessary to build a 20+20 Watt stereoHi-Fi Amplifier using a LM1875 to amplify any smallsignal and to drive an 8 ohm speaker with 1% THD.841593 Kit ....................$21.95 or $20.95 ea./10+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 5

KELVIN ® ECONOMY KITS ELECTRONICS● - Requires a 9V DC Battery (#220019). ▲ - Requires [2] 'AA' Batteries (#220016). ■ - Does not include enclosure shown.COMMUNICATION KITSSing To AnyFM Radio!2-Way Intercom Kitwith Communication LabThis high quality intercom has good to excellentsound quality and is easily one of the finest systemsin the educational field. Includes a pair of intercoms,project boxes, one pair of wires and batteries.841034 Kit ..................................................$39.95Wireless Microphone ●Build this kit and learn about microphones, audioamplifiers, RF oscillators and how an FM radio works.Transmit your voice or sing to any FM radio up to100 feet away. Includes instructions and handheldhousing made from a PCV pipe.841599 Kit ......................$10.95 or $9.95 ea./10+SPY & DETECTION KITSVoice Pad Electronic Note Center ●Records messages up to 20 seconds long withouttapes or mechanical parts! It instantly replaysmessages when built-in photocell senses a largepresence in the room. Message light indicatesif there any messages waiting.840606 Kit ....................$39.95 or $34.95 ea./10+840607 Assembled Voice Pad ......................$69.95Big Ear ● ■Amplify sounds from different sources (far away,birds, conversations. Add a parabolic reflectorand hear blocks away. This kit contains all partsnecessary to build an ultra sensitive listening device.Use a funnel or design your own reflective parabolicdish. Also requires parabolic reflector. Use with#430202 enclosure on page 306.841598 Kit.......................$10.95 or $9.95 ea./10+AffordableDetector!MetalDetector ● ■This handy metaldetector, detectsmetallic objects in orbehind surfaces. Sensor ismounted on a wooden stickto minimize interference. Usewith the #430182 enclosure on page 306.841595 Kit ....................$11.95 or $10.95 ea./10+Metal Stud Finder ● ■This handheld kit detects metal studs behind a wall.Helps with remodeling and wiring. Use with the#430182 enclosure on page 306.841594 Kit ....................$12.75 or $11.95 ea./10+Yap Box Kit ●Make a racket with this fun kit! Plays 6 sounds, suchas laser gun, siren, puppy bark, diesel horn, and awolf whistle. Case included. Req. 9V battery.840247 ........................$13.95 or $12.95 ea./10+Telephone Bug ●For educational purposes. Build a device to transmitphone conversations to an FM radio. Requires atransistor radio. Includes a pre-drilled PC board, partsand instructions.840259 Kit..........................$9.95 or $8.95 ea./10+KGB Ear ●For education purposes only. Listen to a clearbroadcast over 100 ft. away by using any standardFM radio. Includes pre-drilled PC board, parts andinstructions. Also requires an FM Radio.840557 Kit ....................$11.95 or $10.95 ea./10+Copyright © Kelvin L.P.6 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSKELVIN ® ECONOMY KITS● - Requires a 9V DC Battery (#220019). ▲ - Requires [2] 'AA' Batteries (#220016). ■ - Does not include enclosure shown.SOUND & ALARM KITSPolice Siren ● ■This kit mimics a police car siren with toneadjustment. Can also be used as a burglar alarm.Use with #430182 enclosure on page 306.841567 Kit.........................$5.75 or $4.95 ea./10+FourSoundEffects Unit ● ■This kit will produce anassortment of four differentsound effects selectable by the user.The effects range from a Laser Gun to Police Siren.Use with #430182 enclosure on page 306.841597 Kit .........................$8.95 or $7.95 ea./10+GAME KITSFiber Optic Alarm Kit ●Wrap the fiber optic cord around a valuablepossession. If the cord is cut, the relay will triggeryour alarm circuitry (not included). The alarmcan be de-activated or reset by pressing the resetbutton. Requires a buzzer alarm.841125 Kit.....................$15.95 or $14.95 ea./10+ReactionTester ●Great electronicgame for groups!The object is toanticipate whenthe LED will lightup and release theswitch. If releasedcorrectly, the LEDstays lit up and youwin!841134 Kit ..$2.95 or $1.95 ea./10+ASLOW ASThe DecisionMaker ●Whenever you haveto make a “YES,”“NO,” or a “Headsor Tails” decision,make your lifesimple and buyKELVIN ® ’s ElectronicDecision Maker. TheKit includes allparts.841131 Kit..........................$2.95 or $1.95 ea./10+Kel-Decision Stick ●Push the button to display the answers to allof your questions. Use with enclosure #430202on page 306.841569 Kit .........................$6.85 or $6.45 ea./10+Spinthe WheelELECTRONICSKITS LABKel-Number Picker ●You can use this kit to select numbers from 0-9. Pushthe button and the seven segment display will shownumbers until it is released. Once released it graduallystops and only one number remains. Use with#430182 enclosure on page 306.841568 Kit.........................$9.95 or $8.95 ea./10+Kel-Wheel of Fortune ●Push the button and see 10 LEDs appear to spinaround the wheel and hear electronic ticking sounds.Release the button and flashing speed graduallydecreases until one LED remains lit. Use with#430202 enclosure on page 306.841572 Kit .........................$8.95 or $8.45 ea./10+• [2] KELVIN ® 200LEMultimeters• [2] Toolkits,Deluxe• [10] SolderPractice Kits(five different ones)BONUS!R/C Car KitGain valuable hands-on experience withsoldering and PC board assembly as theycomplete a solder practice kit. Gr. 7-12.841259 Electronic Kits Lab ..................$245Ideal for a Soldering Station!Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 7

LABS ELECTRONICSNEW!NEW!StudentsExplore ChipProgrammingand CircuitDesign!Investigating Electricity LabKELVIN ® ’s Investigating Electricity Lab takes a unique approach to teachingbasic DC electricity concepts. The experiment board and components use aVelcro like technique to mount parts when assembling circuits. The lab has beendesigned to teach students the basic fundamentals and concepts behind DCelectricity and circuits. The lab provides background information on many topicsand activities that allow the students to apply their knowledge. The activitiesinclude Measuring Voltage, Assembling Simple Electric Circuits, AssemblingCircuits Using Schematic Diagrams, Series and Parallel Circuits, Using a Meterto Measure Electricity in a Circuit and The Effects of Voltage, Current andResistance in a Circuit.360029 Investigating Electricity Lab ..........................................................$99.95PSoC Express Learning LabSpecially designed for KELVIN ® , this lab is designed for students with little orno electronics background. Students will explore the fundamentals of electroniccircuit applications used in products throughout our everyday life. The iconbased software system offers the learner hands on chip programming experiences.The “evaluation board” and electronic components provide students with handson circuit design activities and practical programming applications throughdesign, build and test activities. Design challenges include temperature controlcircuits, servo motor control, infrared ranging, robot control and many otherevery day applications.This exciting lab includes the PSoc Experiment Board, access to softwaredownloads and detailed instructional resource materials. Chapters cover: Historyof Computers, Electronics and the World Around Us, Intro to PSoC SoftwareDesktop, Intro to the Evaluation Board Programming , LED’s Circuits, LCD DisplayCircuits, Logic Gates, Practice Exercises, Circuit Design Briefs and much, muchmore.842127 Lab ............................................................................................$199842129 Components for the PSoC Experiments ..........................................$69.95Learn About Electronics Mini LabMini Lab—No Soldering is Required! Lab Covers: What is a Circuit?,Switches, Series Circuits, Batteries in a Series, Parallel Circuits, Flashlight,Traffic Light Challenge, Even Better Flashlight, Short Circuits, ContinuityTester, Coordination Game, Morse Code and Maze Game. Includesassembled board, banana plugs and instructions manual.841749 ........$29.95 or $27.95 ea./5+ or $24.95 ea./10+ or $22.95Clip-On Electronics Experiment LabA low cost, no frills trainer that expands as your student’s knowledge basebuilds. Covers a variety of basic electronic components found in everyday use.Parts are connected together into circuits using jumper leads and our “partsholder”. Parts include a variety of switches, lamp, LED, buzzer, piezo buzzer,motor, fixed resistor, photoresistor, variable resistor, power pack (batteries notincluded), jumpers and instructions. No soldering is required.841980 Mini Lab ............................$39.95 or $34.95 ea./10+ or $32.95 ea./20+Copyright © Kelvin L.P.8 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSLABS3 KELVIN ® Electronics TrainersFOR JUST 1 LOW PRICE!Introduction to Electronics LabThe amazing variety in this lab makes it an accessible introduction toelectronics for a wide range of grades; from elementary school tohigh school. Students can explore electronics and circuitry at their ownpace as they complete hands-on activities with the KELVIN ® Belly Bear II Trainer, the KELVIN ® 1st Breadboard Lab Trainer and the KELVIN ®BASIC 3 Trainer.840756 Introduction to Electronics Lab —No Computer Required ........$995430084 Electronics Tool Panel - Go online for details......$995 or $895 ea. /2+Lab includes:• BASIC 3 TRAINER Starter Unit (withmotherboard, stackable banana plugs,wall transformer, 10 activity cards, designportfolio and teacher guide)• BASIC 3 Sensors Set (LDR, Liquid,Thermistor, Micro Lever, Push On/Off,Reed Switch and Microphone)• BELLY BEAR II TRAINER• 1ST BREADBOARD LAB TRAINERVideo/Software: Safety with ElectricityBooks: Intro to Electronics, Dictionary ofElectronics, ElectricityTools: 200LE Multimeter, [12] Soldering Kits,Electronics Tool BoxConsumables: Batteries, WirePlus, Activity Resources, Lesson Guide, and aWorkstation SignPC Board Fabrication and Soldering LabWith this lab, students will learn how to layout components, create anddrill a PC board, and solder components in place. This start-up packageincludes KELVIN ® Printed Circuit Board Layout software that makes itpossible for students to lay out circuits. Hands-on activities include etchinga PC board (with teacher supervision). Recommended for Grades 7-12with supervision.Lab includes:• Circuit Wizard software(circuit and PCB design)• Soldering Kit (soldering iron,3 copper tips, 40/60 solder,soldering aid and instructions)• Toner Transfer System• Thermal Transfer System• Etching TankConsumables: Copper Clad PC Board,Etch Resist Ink Pen, Dry Transfer Set(Donuts, Tape, Titles), Dry EtchantBook: Making PC BoardsTools: Hand Tools, Mini Drill (withstand and bits), Safety Glasses, Gloves,Helping Hand PCB Holder, Plastic Tray,PC Board TongsPlus, Lesson Guide & Workstation Sign840789 PC Board Fabrication and Soldering Lab................................$1,795Introduction to Soldering LabWith this hands-on soldering lab, yourstudents will learn how to identifycomponents, color-code the resistor values, recognize the component'spolarity, mount the components, tin & strip wire, solder correctly andtroubleshoot their finished circuits. Grades 7-12.Lab includes:• Wire Stripper• Soldering Kit (soldering iron,• Vacuum Desoldering Pump[3] copper tips, 40/60 solder,• Desoldering Wicksoldering aid and instructions)• Safety Goggles• Solder Iron Stand and Sponge• Helping Hand PC Board Holder• Heat Sink• Soldering Manual• Screwdrivers• How to Solder Video• Mini Diagonal Cutter• [40] Solder Practice Kits• Long Nose Pliers• [6] Surface Mount Technology Kits• Workstation Sign841149 Introduction to Soldering Lab ..................................................$695Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 9

EDUCATIONAL KITS ELECTRONICSElectronic Christmas TreeChristmas was never so congenial! 16 blinking LEDs.2.4”x4”x1”.282296 Kit ● ....................$10.95 or $9.95 ea./3+3D Christmas TreeUltimate Christmas gadget! 16 flashing red LEDs.Extra green & yellow LEDs provided to customizeyour tree can be hung and supplied through thewires. 8mA. Will operate on 12VDC. 3.1”x3.5”x4”.282324 Kit ● ......................$9.95 or $9.45 ea./3+Mini SMD Christmas Tree6 flashing LEDs. Tree can be operated as an ornamentor as a pin. Ideal intro to SMD (surface mounteddevice) technology. 5mA. 1.75”x1.6”x.3”.282335 Kit ▲ ......................$9.95 or $9.45 ea./3+Electronic DiceElectronic die with an LED indication. Rolls slowlyout when the push button is released. 1.7”x2.4”.282305 Kit ● ....................$10.75 or $9.95 ea./3+Shaking DiceNo push buttons required, just give it a shake. Rollsout slowly and flashes last combination. Auto poweroff.Microprocessor-controlled. 1.4”x1.4”x1.3”.282341 Kit ▲ ..................$14.95 or $13.95 ea./3+Dual Electronic Dice KitBoard games offer a pleasant entertainment, butthe dice can fall off the table, allow for cheating,and all the players might not see the result and soon. There can be no doubt about the displayed resultsof this electronic dice! Comes with PC board, partsand manual.282084 Kit ● ..................$19.75 or $18.95 ea./3+Quiz TableFor up to 4 players! LEDindicates first buttonpushed. Quizmaster‘RESET’-button withthe ‘button pushed’-indicator. 2 of the units can be daisy-chained for8-player fun! with on-off switch. 4.3”x3.1”x1.1”.282327 Kit ● ......................$9.95 or $9.45 ea./3+Classic NTSC TV GameFor one or two players. Fourlevels of difficulty. Video andaudio output, adjustablebrightness, auto power off.2.9”x5.5”.282344 Kit ■ ..................$21.95 or $20.95 ea./3+83 LED Animated BellNo need to remove battery when using externalsupply. 12V DC operation possible for use in cars ortrucks. On/off switch included. 9 to 12VDC.282316 Kit ● ..................$15.75 or $14.95 ea./3+Riding Santa126 LED multicolor animated xmas gadget. Includespower switch. 9-12V. 3.2”x5.7”.282311 Kit ● ..................$24.95 or $23.95 ea./3+Deluxe Xmas TreeA beautiful “tree” consisting of 134 LEDs. 18randomly blinking candles. An on/off switch is alsoincluded. 9 or 12V DC. 5.6”x3.2”.282312 Kit ● ..................$21.95 or $19.95 ea./3+Wheel of Fortune10-LED wheel of fortune. Push the button to startspinning action. Finally it stops and one LEDremains lit. Auto Off. Low power use. 2.6”x1.3”.282342 Kit ● ......................$9.95 or $8.95 ea./3+Roulette37 LEDs and spinning sound. ‘Winner’-tune for eachcolor. Also spins LEDs between games. Includespushbutton operation. Microprocessor technology.Auto power-off. 3.6”x1.3”.282314 Kit ■ ..................$19.95 or $18.95 ea./3+Brain GameRepeat a pattern generated at random. 4 LEDs/4 push buttons provide hours of fun. Low powerconsumption. Micro-processor controlled. Auto poweroff. 2”x2.6”.282080 Kit ■ ..................$14.95 or $13.95 ea./3+Electronic Decision MakerHelps making difficult YES or NOdecisions. Ideal for the indecisive.Simply push the button to startflashing of YES/NO LEDs. Flashingspeed gradually decreases andfinally one LED remains lit. Auto off.2.2”x1.2”x1.4”.282329 Kit ● ......................$8.95 or $7.95 ea./3+Metal Detector KitCheck for metal objects inand behind walls, floors andceilings. An LED turns on if thedetector is in the vicinity ofmetal objects. Includes aPC board, parts and manual.282079 Kit ● ..................$12.95 or $12.45 ea./3+Flashing LED SweetheartShow your love in an original way that your heartstill beats fast for them. 28 LEDs form two fastblinking hearts. 2.4”x2.4”x1.2”.282297 Kit ● ....................$10.95 or $9.95 ea./3+Mini SMD Flashing Heart6 flashing LEDs. Use as a necklace or a pin. 5mA1.9”x1.7”x.3”.282336 Kit ▲ ......................$9.95 or $9.45 ea./3+Love TesterCheck your love life! Each partners holds an end,then they join hands, watch the meter go. 10-LEDreadout plus audible ‘love-level’-indication. Widesensitivity. Includes power switch. 4.1”x3.1”x.98”.282340 Kit ● ..................$18.95 or $17.95 ea./3+Halloween Pumpkin25-LED bright pumpkin-shapeHalloween gadget. The randomflash effect simulates flickeringcandle. An extra high intensityyellow LED illuminates thepumpkin. Includes power switch. 4”x3.2”x1.3”.282337 Kit ● ..................$13.95 or $12.95 ea./3+Crawling MicrobugAttractive, bright colored bug-shaped mini robot.The microbug is always hungry for light, it drivestowards it. Two open chassis sub-mini motors.Adjustable light-sensitivity suits almost any lightcondition—stops in total darkness. Adjustable speed.Choose between two different walks.LED ‘eyes’ indicate driving direction. 4.3”x3.5”.282323 Kit ■ ..................$21.95 or $19.95 ea./3+Running MicrobugAttractive bright colored bug-shaped miniature robot.The microbug is always hungry for light, it drivestowards it! Two open chassis sub-miniature motors.Adjustable light-sensitivity suits almost any lightcondition, allowing full control of the ‘bug-like’behavior. LED ‘eyes’ indicate driving direction. Stopsin total darkness. 4”x2.4”.282321 Kit ■ ..................$13.95 or $13.25 ea./3+Electronic CricketAutomatically comes on when itgets dark. Cricket repetition (timebetween two crickets), effect andtone adjustable. Adjustable lightsensitivity. 2.4”x0.4”x1.0”.282300 Kit ......................$13.75 or $12.95 ea./3+● - Kit requires 9V DC battery (#220019). ▲ - Kit requires a 3V Lithium Button Battery (#220114). ■ - Kit requires AAA Batteries (#220033).Copyright © Kelvin L.P.10 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSEDUCATIONAL KITSFlashing LEDsAdjustable flashing speed with two potentiometers.For a variety of uses such as construction andrecreational. 1.2”x1.4”x0.6”.282298 Kit ● ......................$5.75 or $4.95 ea./3+Dual Superbright Flashing Red LED LightsVery powerful flash effect. For warning signs, as eyecatcher,‘alarm-active’ - simulation, etc. ‘Auto turn-onat dark’ mode with adjustable sensitivity. Includespower switch. 12VDC. 2.2”x1.3”x1.6”.282339 Kit ● ......................$7.95 or $7.45 ea./3+Dual White LED StroboscopeTwo super bright white LEDs. Powerful flash effect.Great for parties, scale models, attention grabber,etc. Slow/fast selector and speed adjust trimmer.Includes power switch. 40mA. 2.2”x1.3”x1.6”.282338 Kit ● ..................$11.95 or $10.95 ea./3+Signal GeneratorOutput: sine wave, triangle, square wave andintegrator (selectable through jumper). Signalfrequency about 1KHz (fixed). Output adjustablefrom 0-100mVrms. 2.2”x1.6”.282301 Kit ● ..................$19.95 or $18.95 ea./3+Sound-To-Light UnitFour high-intensity LEDs light up and reactsimultaneously on every sound. Adjustable sensitivitywith potentiometer. Built-in mic. 0.5mA-12mA.1.6”x2.2”x1.4”.282299 Kit ● ......................$9.75 or $9.25 ea./3+Simple One Channel Light OrganModulates a lamp according to the music signal atthe input. Includes an optical isolated loudspeakerinput. Adjustable sensitivity (2W to 60W). Themaximum load is 120W at 120VAC and 230W at230VAC. 2.4”x1.6”.282306 Kit ● ..................$13.75 or $12.95 ea./3+Low Voltage LightOrganMake lamps flash to themusic. Optically isolatedspeaker input. Adjustablesensitivity Requires 12V-24VAC/DC. 1.8”x3.5”.282309 ........................$13.95 or$13.25 ea./3+Pocket VU MeterSurprise your friends in the disco! 5red LEDs. Built-in mic. and sensitivityMetronomeLED beat indication. Adjust volume and beats perminute with potentiometers. Includes speaker andpower switch. 2.4”x1.7”.282302 Kit ● ..................$14.95 or $13.95 ea./3+LED Running Light8 LEDs. The LEDs come on one at a time in sequence.Each of the different effects is selectable. Adjustableeffect speed with potentiometer. Includes pushbuttonpower switch. 3.5”x1.6”.282303 Kit ● ..................$12.75 or $11.95 ea./3+Mini Traffic LightIncludes 12 LEDs. Realistic operation with adjustabledelay. Kit is great for model railroads, exhibitions oras a toy. 15mA. Includes a power switch.2”x1.4”x4.5”.282325 Kit ● ......................$9.95 or $9.45 ea./3+Police Siren KitImitate any police siren by using the three adjustablepotentiometers. Even with a low power loudspeaker(4-16 Ohm/0.5W) it will be possible to make afantastic noise. Comes with PC board, parts andmanual. Requires power supply and speaker.282082 Kit ●..................$12.95 or $12.45 ea./3+Siren Sound GeneratorGenerates 4 different sounds: police siren, firebrigade, emergency vehicle plus a machine gun. RV1adjusts sound pitch. On/off switch and PCB speakerincluded. 2.4”x1.6”.282308 Kit ● ..................$13.75 or $12.95 ea./3+Steam Engine Sound Generator With WhistleGenerates sound of a vintage steam engine.Adjustable ‘speed’ and volume. Great for modelrailroads, radio plays, stage, as gadget. With ‘steamwhistle’-push button. Comes with 8 ohm/0. 5Wminiature speaker. 3.9”x3.3”.282328 Kit ● ..................$12.95 or $11.95 ea./3+Sound Generator KitConnect to a loudspeaker,mixing panel, or evenan amplifier. Soundsinclude: machine-gun,police siren, Europeansiren, phasor gun, racingcarengine, car tire screech, explosion, mortar shotfollowed by an explosion, "Wild Charge” tune, and"Snake Charmers” tune. The speed is adjustable onall these sounds, so that the possibilities becomeeven more extensive. Includes a PC board, partsand manual.282087 Kit ●..................$33.95 or $31.95 ea./3+Interval TimerFor intermittent operation of circuits and equipment.Output relay with dry switch-over contact: 3A/24V.Pulse time adjustable between 0.5 and 5s. Pausetime adjustable: between 2. 5 and 60s. Requires12VDC/100mA. 1.6”x3.4”.282307 ............................$10.75 or $9.95 ea./3+Kitchen Timer1 minute to 1 hour timing. One button, straightforwardoperation. Clear 16-led readout. Audibleand visible alarm with discrete pre-alarm. Autopower-off. Attractive designer enclosure. microcontrollertechnology. 10mA. 3.1”x3”x1.3”.282322 Kit ■ ..................$19.95 or $18.95 ea./3+MultifunctionalClock Kit6x36mm high digits.Time, Date & Temp.selectable with toggle; 1 sec.Chronometer with lap function; Countdown functionto a specific date; Scoreboard function (two playersor teams, count up to 199); Random numbergenerator to 99; 2-digit dice; Count function; Chimebeep option; Relay output; US or Europe displayoption for time, date, degrees. Wireless remotecontrolled (wired possible).282086 ● ......................$99.95 or $94.95 ea./3+Rolling Clock35 LEDs. Animated rolling time/date display. SELECThours, minutes and month or day and enter thevalues with SET. Time display in 12 hour mode (24hmodewhen setting clock). 20mA max. 5”x2.6”.Requires 9V/12VDC adapter or car battery.282317 ..........................$19.95 or $18.95 ea./3+Rolling MessageCreate a moving message with 35 LEDs. Max. 16characters. Adjustable scrolling speed. Press on “SET”to change a particular character. Press “up” or“down” key to select a character and end with the“

EDUCATIONAL KITS ELECTRONICSIR Remote CheckerCheck your IR remote for proper operation. Simpleoperation: point the remote at the sensor and pushany button. With 4 flashing leds indicate remoteoperation. 2.2”x1.2”x1.3”.282331 Kit ● ......................$8.95 or $7.95 ea./3+Light Sensitive SwitchAutomatically turns on at dusk and off at dawn.Wide-range adjustable sensitivity. Delay circuit avoidscycling. 2.6”x2”.282319 Kit ✤ ......................$9.75 or $8.95 ea./3+Clap On/Off SwitchOperate your lighting with a handclap.‘The ‘2-clap’-mode features built-in safety turn-off timer (5happrox.) Output relay ‘pulse’ or ‘toggle’ selection.Microprocessor controlled. Output relay with an LEDindicator. Relay power rating is 24VDC/AC 3A. WithDC adapter socket. 3.1”x2.9”x.9”.282333 Kit ✤ ..................$19.95 or $18.75 ea./3+KaraokeSing along with your favorite music. Hook up theunit between a CD-player or any line-level sourceand your amplifier. RCA input/output sockets. With[6} 35mm microphone jack. Adjustable microphonelevel. “vocal reduction”-switch reduces originalvocals on most stereo recordings. On/off switch andLED power indicator. 16mA typ. 3.9”x3.3”x1”.282334 Kit ● ..................$16.95 or $15.95 ea./3+Electronic Recording and Playback Module KitIdeal for recording a few lines of speech that can beplayed over and over again when triggered. Comeswith PC board, parts and manual.282085 Kit ● ..................$34.95 or $32.95 ea./3+Cable Polarity CheckerCheck cables for continuity and identify individualwires. It’s ideal for speaker cable polarity checking.Has LED indication for open circuit, shorts and corrector wrong polarity. Push button operation with autopower off. 10mA maximum. Main board:2.2”x1.6”x1.3”; remote board: 1.6”x.3”.282326 Kit ● ......................$9.95 or $9.45 ea./3+ThermostatA general purpose, low-cost thermostat with NTCtemperature sensor. Output relay with an LEDindicator.Temperature range: +5°C to +30°C approx.(41°F to 86°F). 3A. 2.1”x2.4”x1.1”.282332 Kit ✤ ......................$9.95 or $9.25 ea./3+Car Alarm SimulatorLED with ‘realistic-appearing’ flash sequence willsimulate an active car alarm system. Activatesautomatically when the engine is turned off. Adj.sensitivity. 12mA (12V only). Comes with pre-wiredLED-holder and 2 warning labels. 2.3”x1.8”.282320 Kit ✤ ......................$7.45 or $6.95 ea./3+Water AlarmGives alarm sound when water is detected. Built-inalarm buzzer. Water sensor can be placed at adistance by cutting the board and using wires toconnect the sensor. 1.8”x2.8”.282304 Kit ● ......................$8.75 or $7.95 ea./3+IR Light Barrier AlarmAnnounce visitors, warn against burglars and setboundaries. Audible (85dB) and visible (LED) alert.Includes 9V battery holder, on/off switch, adapterjack, receiver, schematics, transmitter and a slalomtiming system. Not for outdoor use.282315 Kit ● ..................$12.95 or $11.95 ea./3+Mini FM Oscillator Kit100-108 MHz. Features an integrated pre-amplifierthat can be connected to any source. Ideal for avariety of amplifying uses. Comes with PC board,parts and manual.282081 Kit ● ..................$12.95 or $12.45 ea./3+FM RadioEasy to assemble: no coils to wind. One singleadjustment. Pre-assembled and tested FM front end.Receives complete FM band from 88-108 MHz. Withpower switch, volume control, LED indicator and12V adapter jack. 4.8”x3.3”.282313 Kit ✤ ..................$21.95 or $20.95 ea./3+Super Stereo EarStereo audio amplifier boosts sound 50 times. Greatfor the hearing impaired, as a gadget, science project,etc. With volume control and on/off switch.2.4”x2.1”x1.7”.282330 Kit ◆ ..................$13.75 or $12.95 ea./3+Telephone AmplifierUse either as an independent amplifier withloudspeaker, for instance to follow a telephoneconversation,or one can connect it's output to anamplifier or a mixing-panel (e.g. radio-stations).Comes with PC board, parts and manual.282083 Kit ● ..................$16.95 or $15.95 ea./3+◆ - Requires AA Batteries (#220016).■ - Requires AAA Batteries (#220033).● - Requires 9V DC battery (#220019).▲ - Requires 3V Lithium Button Battery(#220114).✤ - Requires 12VDC Adapter (See Page 412).Basic Parts KitPlastic Container: 11”x7”x1-1/2” with 18divisionsResistors (1/4W), 2 ea.: 10Ω, 100Ω,470Ω, 1kΩ, 2.2kΩ, 4.7kΩ, 8.2kΩ, 10kΩ,18kΩ, 27kΩ, 47kΩ, 82kΩ, 100kΩ,220kΩ, 330kΩ, 470kΩ, 1MΩRadial Electrolytic Capacitors (50V), 2each: 1mF, 4.7mF, 10mF, 47mF, 100mF,470mF, 1000mFRadial DIP Mylar Capacitors (100V), 2each: 0.001mF, 0.0047mF, 0.01mF, 0.047mF,0.1mF, 0.33mFCeramic Disc Capacitors (500V), 2 ea.:2.2pF, 4.7pF, 10pF, 1pF, 22pF, 47pF, 100pF,220pF, 470pF, 680pFInductors, 1 ea.: 4.7mH, 10mH, 47mH,100mH, 470mH, 1mH, 10mH, 33mHTrimpots (Single Turn), 1 each: 500Ω, 1kΩ,5kΩ, 50kΩ, 100kΩ, 500kΩ, 1MΩSwitches, 2 each: Push-button, SPDT slide,DPDT slide, 8-pos. DIPLEDs (T 1-3/4 size), 5 each: Red, Green,YellowDisplays, 2 each: 7-segment commoncathode, 7-segment common anodeTransistors, 2 ea.: PN2222, PN2907,2N3055, 2N3904, 2N3906, 2N5457Integrated Circuits, 2 each: 7805, 7812Reg., LM386 Audio Amp, 555 Timer, 741 Op-Amp, 74LS00, 74LS02, 74LS08, 74LS10,74LS47, 74LS74, 74LS86, CD4013, CD4017Diodes, 2 each: 1N4148, 1N4001, 1N34,1N4728, 1N4733, 1N4739, 1N4743, 1N4747Miscellaneous: 25 ft. of 22AWG Hook-upwire, Alligator lead sets (red and black), 5VDIP relay, Photo cell, Microphone, Speaker,Buzzer, 9V battery snap, 1.5A 100V bridge,4A 200V SCR282462 ..................................$79.95Copyright © Kelvin L.P.12 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

E L E C T R O N I C SEDUCATIONAL KITSBasics of Electricity LabTeach the basics of a DC electricalcircuit, power calculation and cost ofelectricity using a CD player! TheKELVIN ® Basics of Electricity attachesto any CD or cassette player withaccessible batteries permittingstudents to measure the electricalpower they consume while listeningto music.A Power Point presentation isincluded that teaches students aboutelectrical power measurement andthe cost of electrical power. It alsoshows what is being learned, how the apparatus is to be used, how themeasurements are to be taken and how calculation are to be made as part ofthis unit.Lab includes: Voltage/Current Measurement Interface Box with Cables, DCAmmeter, DC Voltmeter, CD Player, Instruction Manual, and a Power PointPresentation.841354 ..........................................................................$295 or $285 ea./3+Digital Door Alarm KitEnter the world of high tech security and learn the secretsbehind closed circuit video, infrared and hidden camerasand biometric systems. Build a personal door alarm andprogram it with a secret code. This kit includes a 32-pagebook and all the parts needed.282434 ......................................$29.95 or $28.95 ea./3+Talking Clock KitEnter the exciting world of electronics and learn about thehistory and current technology of talking machines, digitalsound, time machines and robots. Read about electricityand electric circuits, and test knowledge and skills whilebuilding a talking clock using the components provided.This kit includes a 32-page book and all the parts needed.282435 ......................................$29.95 or $28.95 ea./3+Spy Scope KitThis kit uncovers the history and lingo of spies, hiddenmessages used by the ancient Greeks and the science ofsound, light, and optics. Students will build a spy scope tosee around corners and listen to conversations in thenext room! This kit includes a 32-page book and all theparts needed.282436 ......................................$29.95 or $28.95 ea./3+Over 50ExperimentsSpecifically forBeginners!50-in-1 ElectronicPlaygroundLearn about the basic principles ofelectronics while building theseexciting circuits: finger touch lamp,magnetic bridge, voltmeter, Morsecode, alarm, electronic noisemaker,electronic kazoo, electronic keyboard,transistor radio, a radio announcer andmetal detector. Uses spring hook-upmethod. Ideal for middle schools.Includes all the parts needed toperform 50 experiments. Requires a9V battery.281645 Kit............................$19.95InvestigatingElectricity LabExplore the concepts of electriccurrents, open/closed circuits,and series/parallel circuits. Alsoinvestigate static electricity using anelectroscope. Grades 7-10.282200 Class Lab for 40 ............$135Fundamentalsof Electronics KitIntroduce students to the basicsof electronics. This kit includes abreadboard, switch, connection wires,transistors (NPN/PNP), red and greenLEDs, capacitors, resistors, diode andphotoresistor,buzzer,9V battery and a teacher's guide. Idealfor Grades 7-12.360186 ..............................$79.95Super Sensor MotionDetector KitLearn the basics of motion detectortechnology when you build this motiondetector kit, that uses an infraredsensor. Use as a burglar alarm,message minder, room detector, or atthe entry to home or business. Kitrequires a 9V battery.Kit requires soldering.280374 Kit ..$15.95 or $14.95 ea./6+Snap Circuits Educational KitsMake learning electronics a“snap.” Just follow thecolorful pictures in themanual and build over300 projects, such as AM radios,burglar alarms, flashlights, doorbells, andmuch more. You can even play electronic gameswith your friends!Enjoy hours of educational fun while learning aboutelectronics. No tools required. Uses “AA” batteries (not included).BuildOver 300Projects!282378 Snap Circuits Jr. - Over 30 Parts......................................................$29.95282379 Snap Circuits - Over 60 Parts..........................................................$58.95MOTOR BELL METER GENERATOR4-1 Action Kit LabDiscover how an electric bell is constructed and made to ring. Build an operatingmotor. Find out how a generator makes the electricity that makes things work.Meter measures the amount of electricity used in your experiments. Easy-toread,illustrated, lab-style manual is included. Suitable for ages 10 and up.Requires [2] ‘AA’ batteries.282431 4-1 Action Kit Lab ......................................................................$29.95Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 13

KITS ELECTRONICSWhooper Alarm KitThe finished Whooper alarm can beused as a sounder or siren. This kitincludes a PC board, parts, speaker anddetailed instruction book.840249 ........$8.95 or $8.65 ea./10+Nerve Tester KitTest your ability to remain calm.Indicates failure by lit LED or mildshock. Kit includes a PC board, partsand instruction book.840245 ........$9.95 or $8.95 ea./10+Introduction to ElectronicsBy Earl D. Gates. Now in its fifth edition, thiscomplete introduction to basic electricity andelectronics principles emphasizes hands-onapplication of theory. Integrated MultiSIM ®problems provide even greater opportunities toapply basic principles and develop critical thinkingskills by building, analyzing, and troubleshootingDC/AC circuits.650638 Textbook, 375 Pages ..........................................................$75.95650639 Teacher Guide ..................................................................$29.95650640 Workbook ........................................................................$34.95One-Button Bandit KitPress the button and away it goes!If the 3 LEDs light, you win! The kitincludes a PC Board, parts and adetailed instruction book.840258 ..$14.95 or $13.95 ea./10+Telephone Hold Button KitThis educational kit allows you tocreate a hold button for your phoneline. Kit includes a PC board, parts andinstruction book.840243 ........$9.95 or $8.95 ea./10+Digital Roulette KitThe Digital Roulette will be a surewinner with you, your friends andyour relatives. {32} LEDs are arrangedin a five inch diameter circle.282429 ..$16.95 or $15.95 ea./10+Mosquito Repellent KitKeep hungry little female mosquitoesaway with this fun kit!282430 Kit ....$9.95 or $9.65 ea./10+Dictionary of ElectronicsFew technologies have advanced at such a rate during the past few decadesas electronics. This edition incorporates over 400 new definitions. All entriesfrom the second edition have been checked and amended to take account ofrecent developments, or reworded to improve clarity.651143 Book, 384 Pages ........................................................................$59.95Wiring: Basic & Advanced ProjectsThis book delves into wiring methods, low- and high-voltage wiring, outdoorwiring, emergency power equipment, home automation.651502 Book, 240 pgs. ..........................................................................$23.95Wiring Smart Guide650551 ................................................................................................................$10.95Teach Yourself Electricity and ElectronicsPerfect for hobbyists and students and those who want to get ahead in techrelatedcareers. Includes easy-to-follow lessons in electricity and electronicsfundamentals and applications, with minimal math and plenty of illustrationsand practical examples.651979 Book, 800 Pages ........................................................................$34.95Space Wings KitGreat first electronics kit and excellenthands-on introduction to electronicconstruction and Muscle Wires.280620 ..............................$19.95Phono Amplifier KitMini, 1W phono amp packs a lotof power. This kit includes all of thenecessary parts, a pre-etched and predrilledPC board, and a powertransformer.840018 $16.95 or $15.95 ea./10+Electronic Circuit Guidebooks651193 Volume 2: IC Timers, 256 Pages. ....................................................$39.95651194 Volume 3: Op Amps, 290 Pages. ....................................................$39.95651196 Volume 5: Digital Electronics, 256 Pages. ........................................$39.95Copyright © Kelvin L.P.14 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSSOFTWARECircuit Design and Simulation Software Has Never Been More User-Friendly!Bright SparkTHEORY TEACHINGSOFTWAREA fun simulationpackage to learn aboutthe world of electronics.LivewireCIRCUIT DESIGNSOFTWAREA sophisticated packagefor designing andsimulating circuitsBRIGHT SPARK combines on-screen animation with realistic simulationto bring circuits to life. It assumes no prior knowledge and includes builtincourseware to learn key electronics principles. Experiment with over40 components as well as a voltmeter, ammeter and oscilloscope to recordcircuit measurements. Interactive worksheets teach principles behindelectricity and electronics. Activities include Ohm's law, Series and parallelcircuits, AC and DC circuits, Kirchoffís laws, Resistance, Capacitance, Logicand Transistors.Bright Spark Professional has these extra features:• Large component library.• Electronics theory teaching couseware.Bright Spark Educational includes Professional features plus:• Courseware authoring tools.• Network support (Standard and Pro editions won’t run on networks).• Multi-user versions offering discounted prices.121438 Hobbyist Version, Single User ............................................$79.95121439 Professional Version, Single User ..........................................$175121766 Educational Version ★ , Single User..........................................$175121440 Educational Version ★ , 5-User Network ..................................$495121441 Educational Version ★ , 5-User Extension Network......................$195LIVEWIRE is a simulated electronics lab that uses animation and soundto demonstrate principles of electronic circuits. 100’s of components canbe connected to investigate behavior of circuits. Simple interface helpsto build circuits quickly. Livewire integrates with PCB Wizard 3, so whenyou’ve simulated a circuit, transfer it with the click of a button. PCBWizard 3 automatically places all components & routes the circuit.Livewire Professional has these extra features:• 1000 extra components to choose from.• More virtual instruments, including logic analyzer,function generator and word generator.LIvewire Educational includes Professional features plus:• Component fault simulation for teaching fault-finding.• Educational support material and courseware authoring tools.• Network support (Standard/Pro editions don’t run on networks).• Multi-user versions offering discounted prices.121442 Hobbyist Version, Single User............................................$79.95121443 Professional Version, Single User ..........................................$175121764 Educational Version ★ , Single User ........................................$175121444 Educational Version ★ , 5-Users..............................................$495121445 Educational Version ★ , Each Additional 5-Users ........................$195Control Studio 2SYSTEMS MODELINGSOFTWAREHighly innovative simulationpackage for prototypingelectonic systemsPCB Wizard 3PCB DESIGNSOFTWAREA powerful package fordesigning single-sided& double-sided PCBs.CONTROL STUDIO 2 provides a rapid method of developing circuit ideas,allowing you to consider different scenarios before a final design solution.Compatible with Circuit Wizard, Livewire & PCB Wizard 3, it is easy toturn your ideas into a schematic or PCB. Creating circuits could not beeasier. Drag and drop subsystem blocks from the parts gallery onto yourdocument, link them with connectors and press “play”. Edit with built-intools such as panning, clipboard and grid.Control Studio Professional version has these extra features:• Larger component library.• Electronics-systems theory teaching courseware.Control Studio Educational includes Professional features plus:• Courseware authoring tools.• Network support (Standard and Pro editions won’t run on networks).• Multi-user versions offering discounted prices.121446 Hobbyist Version, Single User ............................................$79.95121447 Professional Version, Single User ..........................................$175121765 Educational Version ★ , Single User ........................................$175121448 Educational Version ★ , 5-User Network ..................................$495121449 Educational Version ★ , 5-User Extension Network......................$195121831 Educational Version ★ , 25-User Site License ..........................$1,495PCB WIZARD 3 is great for designing single- and double-sided PCBs. Itprovides a range of tools for all traditional steps in PCB production andeliminates steep learning curves. Drag and drop components to a documentand connect them with the intelligent wiring tool. Select” Convert toPCB” and PCB Wizard 3 does the rest.PCB Wizard 3 Professional version has these extra features:• 1000 extra components to choose from.• Double-sided and Interactive PCB routing.• DXF export for CAD/CAMPCB Wizard 3 Educational includes Professional features plus:• 1000 extra components to choose from• More virtual instruments, incl. logic analyzer & word generator• Component fault simulation for teaching students fault-finding.• Educational support material and courseware authoring tools.• Network support (Standard/Pro editions won’t run on networks).121450 Hobbyist Version, Single User ............................................$79.95121451 Professional Version, Single User ..........................................$175121763 Educational Version ★ , Single User ........................................$175121452 Educational Version ★ , 5-Users ..............................................$495121453 Educational Version ★ , Each Additional 5-Users ........................$195Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 15

SOFTWARE ELECTRONICSCircuit WizardCircuit & PCB Design SoftwareA revolutionary new system thatcombines circuit design, PCB design,simulation and CAD/CAM in onecomplete package.CIRCUIT WIZARD is a revolutionary new system thatcombines circuit design, PCB design, simulation andCAD/CAM manufacture in one complete package.By integrating the entire design process, CircuitWizard provides you with all the tools necessary toproduce an electronics project from start to finish –even including on-screen testing of the PCB prior toconstruction!Designing is easy with Circuit Wizard. Just grabthe components you need from the library, connectthem together using the intelligent wiring tool andthen press the ‘Play’ button to begin simulation.SPICE circuit simulation—Circuit Wizard features a new simulation engine basedon Berkeley SPICE. This industry-standard technology is the most advanced in theworld, so you can be confident that the results will be very fast and accurate.121747 Hobbyist Version, Single User ..................................................................$175121748 Professional Version, Single User..............................................................$275121743 Educational Version ★ , Single User ..........................................................$275121744 Educational Version ★ , 5-User Network ....................................................$695121745 Educational Version ★ , 5-User Extension Network........................................$245121818 Educational Version ★ , 25-User Site License ............................................$1,495DESIGNED WITH EDUCATIONAL INSTITUTIONS IN MIND—EASY TO TEACH AND EASY TO LEARN!Circuit Wizard Professional has these extra features:• 1,000 extra components to choose from.• More virtual instruments including logic analyzer, functiongenerator, word generator and DC power supply.• Double-sided and InteractivePCB routing.• DXF export for CAD/CAM.Circuit Wizard Educational has these extra features:• 1,000 extra components to choose from.• More virtual instruments including logic analyzer, functiongenerator, word generator and DC power supply.• Double-sided and InteractivePCB routing.• DXF export for CAD/CAM.• Component fault simulation forteaching students about fault-finding.• Educational support material & courseware authoring tools.• Network support for Educational Versions.★ EDUCATIONAL VERSIONS SOLD TO SCHOOLS ONLYLearn to Design & Make a PC Board!PC Board Designand Fabrication CAD/CAM LabIdeal for school use for ease andinstructional material. Therevolutionary Circuit Wizardcombines circuit design PCB design,simulation and CAD/CAMmanufacture in one completepackage. By integrating the entiredesign process Circuit Wizardprovides you with all the toolsnecessary to produce an electronicsproject from start to finish, even onRapid Prototyping &screen testing of the PC board(single or double-sided) prior to construction!The Circuit wizard comes with comprehensive 3d component parts. Built in virtualinstrument for testing, built in automatic router for complex circuitry. Comprehensivesupport material, user guide, tutorial and courseware. (PCB Wizard has has over 20,000users world wide)The Lab Includes: Computer with Pre-Loaded Software, Monitor, Roland 3D Mill/Scanner(Max. PCB size 8”x6”, Circuit Wizard Pro Software, Driver Software (To send design toRoland 3D Mill/Scanner), Blank Copper Clad Boards and a Lab Manual.841829 Industrial PC Board Fabrication Lab ............................................................$7,995KELVIN ® is the ExclusiveUSA Distributor of Circuit WizardCopyright © Kelvin L.P.16 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSTRAINERS WATERBelly Bear Electronics TrainersKELVIN’s ® Belly Bear Trainers are an economical way for students, Gr. 1 andup, to learn about electronics. No prior electronics knowledge, on the part ofthe teacher or student, is needed. Quick disconnect connections make it easyto create and test circuitry while learning about discrete components.The Teacher Guide includes Lesson Plans, Teacher Aids for each Lab, SuggestedDiscussions, Assessment Tests with Answer Keys, and a Glossary. The StudentManual contains numerous labs and projects.The Belly Bear Trainers • Buzzer for sound• Motor for motion (the BellyBear II has 2 motors)• Capacitors to demonstratehi/low capacitance• Resistors to demonstratehi/low resistance• [2] Fuses (a good one anda bad one for testing)include the following, built-in:Moreinformationabout theBelly Bear Trainers isavailableonline atkelvin.com• [2] Diodes• [3] Light Bulbs• [3] LEDs• Assorted Switches• [6] Batteries: wired in Series(Belly Bear I) or Series andParallel (Belly Bear II)• Student Manual (60 pgs.)• Teacher’s Guide (75 pgs.)Both trainers are self-contained and assembled.Actual board size is 8-1/2”x10-1/2”. Grades 1 and up.840985 Belly Bear I Trainer ................................................$145 or $125 ea./5+840993 Belly Bear II Trainer with English Manual....................$165 or $145 ea./5+841235 Belly Bear II Trainer with Spanish Manual ..................$165 or $145 ea./5+1st Breadboard Lab Introduce beginners to electronics! This easy touse trainer lets students build circuits that arefar from simple in function. Breadboardsoriginated as a way to lay out and wire electronic circuits. This makes it easyto design, experiment with, and test circuitry without etching and soldering PCboards. Students explore a wide variety of electronic concepts simply by stickingcomponents into the breadboard.This trainer not only contains a small breadboard for students to assemblecircuits on, but includes basic components that most circuits use—right on theboard, ready for easy wiring.In addition, an assortment of loose parts are included to build the 30experiments in the lab manual and to design countless circuits. The completelyassembled trainer includes a 6-1/4”x6-1/2” breadboard, all the necessaryexperiment components and a detailed lab manual.840739 Trainer, English..................................................$99.95 or $95.95 ea./6+841009 Trainer, Spanish ................................................$99.95 or $95.95 ea./6+650801 Additional Manual, English ..................................$19.95 or $17.65 ea./6+651240 Additional Manual, Spanish..................................$19.95 or $17.65 ea./6+Experiments Include:• Resistor Color Code• ResistorMeasurement• Ohm’s Law• Measuring Voltage• Measuring Current• Series Circuits• Photocells• LED CurrentLimiting• Var. Time Constants• Capacitors• Using Switches• Using Buzzers• SPDT Toggle Switchwith LEDs• CMOS OR Gate• CMOS AND Gate• Diode Operation• Transistor as Switch• Transistor as Amp• Crystal Radiowith Amplifier• Kirchhoff’s Law• 555 Timer ICwith LED Flasher• 555 Timer ICwith Buzzer• 555 TimerDelay Circuit• Basic PA SystemAvailable inSpanish or English• Audio Power Ampwith Speaker• Photocell Switch• Alarm Buzzer• Logic Inverter• Microphone• LED with Buzzer• SoundGeneration Circuits• Parallel Circuits• Binary Numbers• Lights and SwitchesCopyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 17

TRAINERS ELECTRONICSBASIC 3INPUT –> PROCESS –> OUTPUTBasic 3 TrainerElectronic circuits and schematic diagrams can be difficult to understand whenlearning about them. Even simple concepts can be difficult to grasp! What’sneeded are simple, hands-on activities that explore the concepts as studentslearn about them—KELVIN’s ® BASIC 3 Trainer!The original BASIC 3 concept and activities were designed and written byEarl D. Gates, the author of Introduction to Electronics: A PracticalApproach, 5th Edition, published by Delmar Publishers (see details atActual Size is 9-1/4”x6-1/4”www.kelvin.com). Further developed by KELVIN ® engineers, the BASIC 3 Input-Process-Output Trainer introduces students to electronics in a nonthreatening,thematic way. Hands-on activities help students, Grades 5 and up,explore electronics at their own pace.The compact, assembled trainer features a plug-in motherboard,6-1/4”x9-1/4”, and built-in sensors. Stackable banana plug leads are used forquick circuitry design and hands-on experiments.The assembled trainer includes: Expandable Motherboard, 9V DC WallTransformer, Stackable Banana Plug Leads, Ten Activity Cards, Design Portfolio,Detailed Teacher’s Guide, and Plug-In Module Ready (additional plug-in modulesfor digital and analog are below).840551 Basic 3 Trainer ......................................................$135 or $125 ea./6+840796 Basic 3 Complete Set ............................................$895 or $845 ea./3+990136 Stackable Banana Jack Cables ..........................$29.95 or $26.95 ea./10+BASIC 3Plug-InFunction840553 Analog Outputs, 3 Boards ............$125 or $119 ea./3+840650 555 Timers, 2 Boards/Circ. ......$99.95 or $94.95 ea./3+840625 Communications, 2 Boards ....$99.95 or $94.95 ea./3+840836 Op-Amp, 1 Board..................$59.95 or $49.95 ea./3+840552 Logic Gates, 3 Boards ........................................$125840554 Digital Outputs, 3 Boards ....................................$125840648 Counters, 1 Board ..........................................$49.95840649 Binary Adders, 2 Boards/Circ. ............................$99.95External SensorsUse external sensors on the BASIC3 motherboard to build your“Smart House,” explore controls,etc. Reach up to 3 ft. away frommotherboard.840653, LDR • 840654 Thermistor840656, On/Off • 840657, Liquid840655, Micro Lever840658, Magnetic840684 MicIndividualSensors are$12.95 or$11.95 ea./3+Set of 7 Sensors Above840894...$89.95 or $84.95 ea./3+BASIC 3Plug-In BoardsComplete Set• BASIC 3 Trainer• All Digital Plug-In Boards• All Analog Plug-In Boards• Teacher’s Guide• BONUS: FREE 201LEMultimeter ($29.95 value)!840796 ..$895 or $845 ea./3+KELVIN ®201LEMultimeter#990327, p. 287Copyright © Kelvin L.P.18 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSTRAINERSThe BEST Trainers For Your Money!Everything 10 TrainerThe KELVIN ® Everything 10 Trainer is the MOST electronic trainer for your money! In additionto a Wire Jumper Kit and 12V Power Supply, this trainer includes the items listed below. Intendedfor use with your textbook; does not include curriculum.[2] Power Supplies• 5V Fixed Power Supply• 1.2-12V Variable Power Supply[1] Function Generator• 0.4Hz-20KHz with 3 Outputs (Square,Sinusoidal, Triangular)[4] Potentiometers• 1K Potentiometer• 10K Potentiometer• 100K Potentiometer• 1M Potentiometer[12] Switches• SPDT Switch• Pushbutton Switch• [2] Fully Debounced Pushbutton Switcheswith +/- Signal Outputs• [8] Signal Switches[9] LEDs / Displays• [8] Fully Buffered LEDs• Large 7-Segment Display (3/4” High)[1] Breadboard• 400 Contact Breadboard841121 Kit............................................................................................$99.95 or $89.95 ea./3+841122 Assembled (Circuit board measures 5-5/8”x5-5/8” ) ................................$135 or $125 ea./3+Everything 50 Trainer Includes:[4] Power Supplies• 5V Fixed• 1.2 to12V Variable• -1.2 to -12VVariable (RequiresPower Pack#220121)• 2.5V High AccuracyVoltageReference Source[1] Function Generator• 0.4Hz-20KHz with 3Outputs(Square, Sinusoidal,Triangular)[3] Inputs• CondenserMicrophone• ExternalMicrophone Jack• Parallel Port withDB25 FemaleConnector[3] Outputs• Buzzer• 10A/125V Relay• External SpeakerJack[4] Amplifiers• 0.5W Power Ampw/ Volume Control• Pre-Amplifier• [2] IndependentOp/Amps[1] Breadboard• 400 ContactBreadboard[16] Switches• SPDT Switch• Pushbutton Switch• [2] Fully DebouncedPushbuttonSwitcheswith TTL Outputs• [4] Switcheswith TTL Outputs• [8] Fully DebouncedSwitches w/TTLOutputs[4] Potentiometers• 1K Potentiometer• 10K Potentiometer• 100K Potentiometer• 1M Potentiometer[3] Sensors• Photocell• Thermistor• Phototransistor[27] LEDs / Displays• [3] LEDs (Red,Yellow, Green) withCurrent LimitingResistors• [10] LED Bar GraphDisplay with ICDriver (0-2.5VInput)• [12] Fully BufferedLEDs withDedicated Drivers• [2] 7-Segment LEDDisp., 3/4” H, withHexadecimalDrivers (0-F)Everything 75 Trainer Also Includes:• USB interface• Twice theBreadboard Size• [16] Input/Output Ports• Software driverswith sample codes• [16] LED Indicators• Single Shot PulseGenerator, 1mSecand 10mSec• On-boardMicrocontrollerEverything 50 and 75 TrainersSuper Analog/Digital bench top trainer includes power supplies, function generator, potentiometers, switches(straight & debounced), LEDs (straight & buffered) and two 7-segment LED displays, Wire Jumper Kit and12V Power Supply. The trainer includes all of the items listed below. Intended for use with your textbook;does not include curriculum. Board measures 7-1/4”x6-3/4”. #220121.841143 Everything 50 Trainer ..................................................................$235 or $215 ea./3+ or $195 ea./10+841867 Everything 75 Trainer ..................................................................$295 or $285 ea./3+ or $275 ea./10+220121 DC Wall Adapter (Opt. Power Supply for Negative Voltage), 12V, 800mA ..............................................$9.95Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 19

TRAINERS ELECTRONICS®®An ideal way for students to learn aboutelectronic circuitry and componentsAn ideal way for students tolearn about DISCRETE ComponentsStudents learn the vocabulary ofelectronics like: OR, NOT, AND, sensornames, and all of the boards. Studentswill also use a Multimeter and basicelectronic symbols. Also, learn aboutconditions and construct a truth tableand experiment with sensors. You canthen apply what you've learned toeveryday problems, practice writing asinstructed and learn about scientificstandards.The 40 page Student Manual and115 page Teacher Guide were writtenand developed by Robert Campbell. Thein-depth Teacher Guide includes thefollowing chapters: Lesson Plans for 9Projects, Glossary, Assessment Tests andAnswer Keys, The NOT Condition, TheAND Condition, The OR Condition,Properties of the 3 Switches, The Diode,The Resistor, The Solar Cell, The PhotoCell, The Electronic Switch, TheThermistor, and Circuit Board Diagrams.Additionally, each chapter lists Vocabulary, Materials, Skills, Standards andOutcome.The Elect Trainer includes [5] Input Boards, [5] Process Boards, [6] OutputBoards and [4] Additional Boards. Also comes with banana plug leads and aFREE 150LE KELVIN ® Digital Multimeter. The kit requires assembly andsoldering. Boards measure 3”x3”.841068 Elect Trainer Kit — Grades 6 & Up........................$275 or $265 ea./3+840958 Elect Trainer, Assembled....................................$395 or $385 ea./3+Includes [3] Input Boards, [15] Process Boards, [3] Output Boards, bananaplug leads and FREE 200LE KELVIN ® Digital Multimeter. Requires assemblyand soldering. Boards are 3”x3”. Teacher Guide includes: Lesson Plans,Glossary, Assessment Tests and Answer Keys. Contains information onCapacitors, ICs, Zener Diodes, Decade and Binary Counters, Voltage Regulators,Transistors, Generators, Relays, Displays, Decoders, Drivers, Vocabulary,Materials, Skills, Standards and Outcome. Grades 6 and up.841069 RONIX Trainer Kit ..............................................$295 or $285 ea./3+840964 RONIX Trainer, Assembled ....................................$395 or $385 ea./3+Copyright © Kelvin L.P.20 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSTRAINERSIC Analyzer Students can explore the basic 7400 TTL series. Simply insert the chipinto the socket to test their characteristics.A detailed lab manual contains an overview, theory of operation,testing procedures, 10 experiments, experiment suggestions and reviewquestion answers.Experiments Cover: Logic Inverters, AND Gates, NAND Gates, ORGates, NOR Gates, RS-Type Flip Flops, D-Type Flip Flops, Decoding,Binary Counters, and BCD Counters.The KELVIN ® IC Analyzer includes: 14-/16-pin Test Sockets withpre-wired ground connections for TTL or CMOS Digital ICs, [8] PopularLow-Power & Standard TTL ICs, [4] LED Logic Indicators, High InputIC Driver, 7-Segment LED Readout, BCD to 7-Segment Decoder DriverIC, Decimal Display for BCD Code, and a 3-3/4”x5-1/2” Breadboard.In addition, this assembled trainer also includes stackable bananaplug leads, patch cord wires, student lab manual. Requires four “AA”batteries (not included).840644 ......................................................$99.95 or $89.95 ea./3+Logic Challenge Trainer A fresh and exciting way for students to learn about thedigital logic circuits that are used in computers and almostall electronics equipment. Teachers can also use pre-wiredlogic circuits to demonstrate inverters and basic logic gates.After using this assembled trainer, students will be moreprepared for work in advance computer operations. Thecomprehensive Student Workbook (written by Lou Frenzel)contains: six demonstrations, real world examples, self-tests,explanation of experiment results and classes or self-pacedlearning.Power is provided by a plug-in wall outlet transformer,built-in DC voltage regulator and separate on/off switch.Board measures 5-3/8”x8-1/4”. Grades 9 to 12.840870 Logic Challenge Trainer ..........$135 or $125 ea./3+L.D.T. Laptop Digital TrainerDesigned with feedback from electronics teachers, the KELVIN ® L.D.T has the best featuresof expensive trainers in a low-cost, high-quality version. Even teachers with basic digital electronicsknowledge can follow the instructions, yet the trainer is challenging enough for advancedstudents.The trainer features one-digit, true hexadecimal display with built-in logic, memory, decoder,drivers and full alpha characters. It also has two independent clocks with adjustable frequencyand duty cycles.The Lab Manual explores:• Logic Gates• Inverters• Double Inverters• Logic Gate Inverters• Logic Functions• Oscillators• Counters• Flip-Flops• Hexadecimal Numbers• Binary NumbersThe L.D.T. Trainer includes: 400-point breadboard, GND power distribution bus, VCC powerdistribution bus, SPDT pushbutton switch, [4] data bit switches, [4] LED displays with IC drivers,plug-in power supply, +5V AC voltage regulator, basic components, hook-up wires, compactcarrying case, and lab manual. The assembled trainer is factory-tested with a 1 yr. warranty onparts and labor. 4-1/4”x7-1/2” board.840460 Laptop Digital Trainer with English Manual ..............................................$125 or $115 ea./3+841008 Laptop Digital Trainer with Spanish Manual ............................................$125 or $115 ea./3+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 21

TRAINERS ELECTRONICSAC Troubleshooting Trainer 14 Problem-Solving Labs Cover: Series RC/RL Circuits,Parallel RC/RL Circuit, Series Resonance, ParallelResonance, Low Pass Filter, High Pass Filter, Band PassFilter, Band Reject Filter, Phase Shift Circuits,Transformers.840627 ..................................$195 or $185 ea./3+DC Troubleshooting Trainer 15 Problem-Solving Labs Cover: Series/Parallel Circuits,Voltage Divider with Thermistor, Voltage Divider withPot, Series Dropping Resistor w/ LED, Series Traces,Parallel Traces, Adjustable Bridge Circuits, Dual VoltageSource Circuits, Resistance Circuits in IC Form, 2-WaySwitchCircuitwith Bulb, Capacitor Charging/ Discharging, TimeConstant, DC Diode Biasing, DC Inductor Effects,Transistor Switch Relay with LED, Photoresistive InputControl, 555 IC Timer as Stable LED Flasher.840626 ..................................$195 or $185 ea./3+Linear/AnalogTroubleshooting Trainer 12 Problem-Solving Labs include: 1-StageNPN/PNPCommon Emitter, Diode Biasing,Complementary Symmetry,Emitter Follower, AmplifierCircuits, Single Stage FET Amplifier, Audio PowerAmplifier with Tone Control , Differential / PowerAmplifiers, Amplifier w/ Constant Current Source,Operational Amplifier Inverter, Non- InvertingAmplifier/Follower, Operational AmplifierComparator/Integrator, Active Filter with OperationalAmplifier, Instrumentation Amplifier with Bridge Input& Thermistor, Speakers / Mixers / Audio Oscillator,Linear and Switching / SCR Light Dimmer, and PowerSupply Regulator.840857 ..................................$195 or $185 ea./3+DigitalTroubleshooting Trainer 12 Problem-Solving Labs Cover: Logic Gates (bothTTL/CMOS), Decoders / Encoders, Basic Flip Flops,Binary Comparators / Adders, Sequential /Combination Logic Circuits, XOR Gate andApplications, BCD Counters, Shift Registers,Multiplexer / Demultiplexer, Binary Up / DownCounters, 7-Segment Display, 3-State Bus, and StaticRAM.840856 ..................................$195 or $185 ea./3+CommunicationsTroubleshooting Trainer Includes Communication Electronics, 2nd Editiontextbook by Lou Frenzel. 12 Problem-Solving LabsCover: Amplitude Modulator, Diode Detection,Balanced Modulator, Frequency Demodulation, Class‘C’ Amplifier, FSK Modulation, Fiber OpticsTransmission and Receiving, Function Generator,Noise Amplifier, AM Pulse Mode, and Parallel/SeriesData Converter.840951 ..................................$385 or $365 ea./3+KELVIN’s ® Troubleshooting Trainers are ideal for middle school students and up. Whenworking within the field of electronics, students should know how to troubleshoot, evaluate,and repair electronic circuitry. The KELVIN ® Troubleshooting Trainers are inexpensive andeasy to set-up because they require no wiring or soldering.Using troubleshooting and problem-solving procedures, KELVIN ® Troubleshooting Trainers show students how to find a problem on a PC board and then fix it. The trainers weredeveloped to make teaching troubleshooting fast, easy, and effective – with actual electronicequipment, hardware, and pre-wired circuits.According to the experiments, the teacher inserts a problem into the circuit using DIPswitches. By following the circuits and measuring the components, students then isolatethe trouble and fix it using problem-solving techniques and by resetting the DIP switches.System concept and student manuals developed by Lou Frenzel. Check out his book,Communications Electronics, online at www.kelvin.com.Assembled trainers includes the following: Pre-Wired Printed Circuit Boards(8-1/2"x11"); Three-Ring Storage Binder; Working Electronic Circuits with DIPSwitches; Student Lab Manuals with experiments and tests; and a Teacher’sGuide with detailed, documented faults.Copyright © Kelvin L.P.22 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

E L E C T R O N I C STRAINERSStepper Motor TrainerExplore the industrial applications and technology ofstepper motors with KELVIN’s ® Stepper Motor Trainer.Stepper motors are widely used in industry to providetimed or degree movement in automation, cameras,copy machines, and more. Students will learn aboutthe basic operation of a stepper motor through simpleexperiments. Additional activities include havingstudents design and build a conveyor belt or elevatorthat is operated with the stepper motor and controlledby the computer.Experiments include:• Manual Stepper Motor Operation• Using Reverse Binary Code• Computerized Stepper Motor Operation• Programming• Creating Half-Steps and Full-StepsAssembled trainer includes a detailed lab manual.Parallel interface with 5”x2-7/8” board. USB interfacewith 5.6”x2.8” board.840676 Win 95-XP, Parallel ..........$145 or $135 ea./3+841965 Win 95-XP, USB ..............$395 or $345 ea./3+Students learn about the basic operation of steppermotors through simple experimentsKELVIN ® Has A Wide Varietyof Student Kits for Hands-OnElectronics ExperienceFind More on Pages 4-7Crystal RadioThey’re a unique flat design that can be made to look like a postcard (basedon a real design that enabled radios to be sent through the post!)The radio is assembled by soldering just 2 components on to a printedcircuit board. The coil is ‘printed’ on the board and tuning is done by movinga metal plate over the coil. (batteries are not required!)Each radio pack makes 10 working radios each complete with crystalearpiece & aerial wire. Self-adhesive postcard graphics are also supplied.283701 Bulk Pack for 10 Students ....................................................$149.95Mini LED Flashlight KitLED light technology is quickly findingits place in an energy conscioussociety. From traffic signal lightingto high powered flashlights, LEDapplications continue to grow. Thiskit will provide students with theopportunity to design, assemble and test a keychainflashlight of their own creation. Kits include a super bright LED, resistor,mini switch, shrink tubing, battery, instructions and more. For class use.Requires a heat gun.842037 Bulk Pack of 25 Kits ..............................................................$99.95Clip-On Electronics Experiment TrainerA low cost, no frills kit thatexpands as your student’sknowledge base builds.Includes a variety of basicelectronic components foundin everyday use. Parts areconnected together intocircuits using jumper leads andour “parts holder.” Partsinclude a variety of switches,lamp, LED, buzzer, piezo buzzer, motor, fixed resistor, photoresistor, variableresistor, power pack (batteries not incl.), jumpers and instructions. Nosoldering required.841980 Mini Lab ......................$39.95 or $34.95 ea./10+ or $32.95 ea./20+Telegraph & Buzzer KitWind coil, connect wires and learn to operate andcommunicate with this system. Studentswill also discover the history of thetelegraph, the science of magnetismand electrical circuits and thetechnology of sending data over wires.The activities culminate with theconstruction of a real, working telegraph sender and receiver.Included in the kit are materials and instructions for experiments:magnetize a nail using a rare earth magnet, build an electromagnet, levitateceramic magnets, and investigate circuits. Batteries are included.841978 Individual Kit..............................................$39.95 or $36.95 ea./6+283119 Bulk Pack for 10 Students ..........................................................$350Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 23

WATER TRAINERS ELECTRONICSDesignedfor SafetyLowVoltageInputLow Voltage Electric SystemKELVIN ® is proud to introduce our new seriesof hands-on Low Voltage Labs. These speciallydesigned experiences take the mystery out of everyday technological systems found at home.Each lab comes with a portable table top workstation, step by step instructions, explanations,theory and assessments. The supplied curriculumis student friendly and geared for general educationnot vocational study.This Low Voltage Electrical System offerschildren, grades 6-12, the opportunity to see intothe walls of their home and discover how electricalenergy is supplied for their use.Help your students solve the mystery:• Where does electricity come from?• How does it get into our home?• How is electricity distributedthrough the home?• How do we make electrical energy safe?• How are circuits created?Using KELVIN ® ’s EXCLUSIVE proprietary lowvoltage DC system, students will safely wire ACcomponents (such as outlets, switches, breakers,a dimmer switch, light fixture and a ceiling fan)for practice with DC voltage.841890 Assembled Trainer ............................$895ACVoltageHome Electrical Wiring Trainer Students get valuable experience with home wiringtools and supplies. This comprehensive trainerincludes all the supplies needed for students tocomplete a number of hands-on activities likecreating and testing common AC/DC circuits.Subsequent activities challenge students as theywire progressively harder circuits. For Grades 9through College.Labs include:1. Install an Unswitched Outlet2. Install [2] Unswitched Outlets3. Install a Switched Lampholder4. Install an Unswitched Outletand a Switched Lampholder5. Install an Unswitched Outletand a Switched Lampholder6. Install [2] Switched Lampholders7. Install an Unswitched Lampholderand a Switched Lampholder8. Install an Switched Outletand an Unswitched Lampholder9. Install an Unswitched Outletand a Switched Outlet10.Install a 3-Way Switched Lampholder11.Install a 3-Way Switched Lampholderand an Unswitched Outlet12.Install an Unswitched Fluorescent Lamp13.Install a Switched Fluorescent Lamp14.Install Low Voltage Bulbs15.Install a Buzzer840642 Kit ................................................$695Copyright © Kelvin L.P.24 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICS ELECTRONICSEQUIPMENT WATERDigital Display Power SuppliesCompactPower SuppliesThese compact power supplies incorporate anexternally controlled current cutoff circuit with anLED indicating current overload. Protected againstshort circuits and overloads.Kel-KPS Digital Display Power SuppliesBoth the single and dual power supply provide 0-20V DC at 2A. The system comes with a bright LEDdisplay(s), switchable between voltage and current. Built-in overload protection, overload indicator LEDand circuit breaker(s). Easy to control large crank knob(s). Rugged metal case. The dual power supply hastwo independant power supplies in one box and is ideal for the dual maglev or other similar products.Durable product made in the USA.841386 Kel-KPS #102 Digital Display Power Supply ......................................................$295 or $275 ea./3+841387 Kel-KPS #103 Dual Digital Display Power Supply ................................................$395 or $375 ea./3+Kel-KPS Variable Power SuppliesVariable, regulated power supplies with low ripple and short circuit protection.Ideal for electronic projects or for use with KELVIN ® 's Power Pole , MaglevRacer , Community Power Station , etc. The #100 model has a variablerange of 0-16V DC, 1.5A. The #101 model supplies fixed voltages of1.5, 3, 4.5, 6, 9 and 12VDC at 1.5A.841051 Kel-KPS #100 Variable Power Supply , 0-16VDC ..............................$125841052 Kel-KPS #101 Variable Power Supply, Voltage Switch ..............................$135Compact Power Supplywith Analog OutputThis power supply has an output of 30VDC @ 5A.120/240V AC input. Its features include fine andcoarse controls for voltage and current, and containstwo analog meters.The supply incorporates an externally controlledcurrent cutoff circuit with an LED indicating currentoverload. Protected against short circuits andoverloads.690047 ......................................$149 or $139 ea./3+Point-To-Point Wiring KitsBattery Charger & Power Supply KitYou build it! Features a full wave circuit. This kit includes [4]silicon rectifier diodes, parts and wiring diagram. Outputs9-12V DC. Requires point-to-point wiring, drilling of the chassisand does not have a PC board.840014 Kit ........................................$12.45 or $11.95 ea./10+VariableRegulated Power Supply KitHigh-quality, metered variable power supply.This kit includes project case, components,chassis, drilling template, and neededhardware. Requires point-to-point wiring,drilling of chassis and does not have a PCboard. 1.5-12V DC.840101 Kit ............$37.95 or $35.95 ea./10+Compact Power Supplywith Digital OutputThis power supply has an output of 50VDC @ 3A.120/240V AC input. Its features include fine andcoarse controls for voltage and current, and containstwo 3-digit LED Volt / Current meters.690046 ........................................................$249Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 25

EQUIPMENT ELECTRONICSSIMPSONMultimeter– 27 Ranges– DC Volts: 0-0.25:0-1: 0-2.5: 0-10:0-50: 0-250:0-500: 0-1000– AC Volts: 0-2.5:0-10: 0-50: 0-250:0-500: 0-1000 DCmA: 0-1: 0-10:0-100: 0-500– Resistance: Rx1, 0-2000 ohms Rx 100,0-200 K-ohms Rx 10K, 0-20 mega-ohms– DC Amps: 0-10.– dB Scale: -20 to +/-50Features rugged taut-band movement. Varistorprotected. Comes with test leads and operatingmanual. 5-1/4” W x 7”H x3-1/8” D730001 #260-8 ............$245 or $235 ea./3+SIMPSONMultimeter with OverloadAll the features of 730001 in addition to a resetpush-button for releasing when overloadoccurs. Will not reset until overload iseliminated.730002 #260-8P ............$295 or $285 ea./3+SIMPSON Test Leadswith Alligator ClipsTest leads with screw-on alligator clips formodels #460, #461, #462, #464, #465, #260-7, #260-8, #270-5.730013 ................$23.95 or $21.95 ea./3+SIMPSON Volt-Ohm-MilliameterExtra features, including drop-resistantconstruction, low power, ohms and additionalvoltage, current and resistance ranges. Extraranges and standard resistance ranges. With33 low power resistance ranges plus allthe features of the famous #260. Includesbatteries and leads.730010 #260-8XLMP ......$295 or $285 ea./3+Digital Bench MultimeterLarge 3 3/4 Digit, 3999 Count LCD BacklightedDisplay. Auto/Manual Ranging. Capacitance &Frequency. Data Hold, Min./Max. True RMS. RelativeDisplay. Storage Data Display Recall. 42 SegmentBargraph Display. Diode/Continuity Test. AC or DCPower Source.851352 ....................$179.95 or $169.95 ea./3+AnalogMultimeter KitYou’ll build a meter thatfeatures 20,000 ohms/volts, 19 ranges, 3-1/2"meter, mirrored scale, 3%accuracy, transistor test,AC/DC voltage, DC currentand sensitivityand resistance.840236 $24.95 or $23.95 ea./3+ADigital Panel Multimeter3-1/2 digit LCD display. Runs on 5 V or 9 V DC supply.Low battery and hold function with annunciator.Labels for engineering units. Programmable decimalpoints. 200 mV DC full scale reading. Can read currentand temperature with a few extra externalcomponents. Includes instructions, connections andsample applications.660070 A 3/8” Digit ........$31.95 or $29.95 ea./3+660071 A 9/16” Digit ......$33.95 or $31.95 ea./3+BDigital Bench Multimeter w/ True RMSTrue RMS, 4 1/2 digit, 20,000 count bench topmultimeter. Basic accuracy of 0.05%. Full range offunctions including: frequency, resistance, voltage,current with transistor check and added featureslike data hold, continuity and 600 volts overloadprotection in resistance ranges.740115 ................................$395 or $385 ea./3+DigitalMultimeter KitBuild and use your ownmultimeter! This 100Kmultimeter will measureAC/DC voltage, DC current, resistance, continuity,diodes, batteries, and more! +/- 0.5% accuracy.Features a 3-1/2 digit LCD display, low batterywarning plus a buzzer. Includes parts anda 50 page manual.840447 $24.95 or $22.95 ea./3+Digital Panel Meter3-1/2 Digit LCD display. 5VDC, +/-5VDC or 5VDCOperation. Input: +/-200mVDC, +/-2VDC, +/-20VDC.User selectable 3 position decimal point. Auto zero.660057 B 3-1/2" Digit ....$44.95 or $42.95 ea./3+LED Panel Meter0.56" figure heigh. Operates on 5V DC with 200mVfull scale range and 10M ohm input impedance.660077 C 3-1/2" Digit ......$44.95 or $42.95 ea.3+CFind Oscilloscopesat www.kelvin.comScope ProbesFor use with scilliscopes.700072 60MHz (1X, 10X)..............................$19.95700073 150MHz (10X) ................................$39.95Neon Circuit TesterNeon lamp glows to indicate voltages from 90to 300 volts, AC or DC. Use to check AC outlets,cables, circuits in equipment and much more.340023 ....................................$1.95 or $1.75 ea./6+AC Outlet AnalyzerPlug the AC Outlet Analyzer intoany 3-wire (grounded) 120V ACoutlet to check for faults.740096 ............................$10.95 or $9.89 ea./3+Digital Sound Meter• 35~130dBmeasurement• 3 ranges• 3-1/2” digit LCD display• Fast (200msec.) response• Over and underrange indicator• Data hold• Includes owners manual• Requires 9V battery• Resolution: 0.1dB740100 ......................$199.95Copyright © Kelvin L.P.26 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSEQUIPMENTKELVIN ® has the BESTPrices on Multimeters!MODEL # 50LE 101LE 201LE 301LESTOCK # 990177 990326 990327 990329SPECIALFEATURESOverload ProtectionAudible continuity& Diode testCAPACITANCE, FREQUENCY,Audible continuity & Diode testAUTO RANGING, Aud. Cont.,Diode/TO test, Analog ScaleDISPLAY 3.5 Digit, 1” H LCD 3.5 Digit, 1” H LCD 3.5 Digit, 1” H LCD 3.5 Digit, 1” H LCDAC VOLTS 2 Ranges to 750V 200m-2-20-200-750v 2-20-200-750V 3.26/32.6/326/750VDC VOLTS 5 Ranges to 1000V 200m-2-20-200-1000V 200m-2-20-200-1000v 326m/3.26/32.6/326/1000VCURRENT(AMPS)DC: 5 ranges to 10AAC/DC: 20µ-200µ-2m-20m-200m-2-20AAC: 2m-20m-200m-20AAC/DC:326µ/3260µ/32.6m/326m/10ADIODE Yes Yes Yes YesINPUTIMPEDANCECAPACITANCE(FARADS)RESISTANCE(OHMS)1M 10M 10M 10M— — 2000p-20n-200n-2µ-20µF 326nF-32.6µF5 Ranges to 2M 200-2K-20K-200K-2M-20M 200-2K-20K-200K-2M-20M 326-326MTRANSISTOR NPN / PNP NPN/PNP hFE NPN/PNP hFE —AUTOPOWER OFFNo Yes Yes YesDATA HOLD No Yes Yes YesFREQUENCY(HERTZ)ACCURACY(PERCENT)No No 2K-20Khz 32.6KHz-200KHz+/- 0.5 +/- 0.5 +/- 0.5 +/- 0.5BATTERY 9V 9V 9V 9VLOW BATTERYINDICATORYes Yes Yes YesSIZE (MM) 133x45x22 191x89x35mm 191x89x35mm 188x91x32mmPRICE$3.75 eachor $3.45 ea./5+$19.95 eachor $18.95 ea./3+$29.95 eachor $27.95 ea./3+$39.95 eachor $37.95 ea./3+★ $2.75 ea./10+ $17.95 ea./10+ $25.95 ea./10+ $35.95 ea./10+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 27

ELECTRONICSEQUIPMENTDigital Clock / ThermometerMeasures 0° C to +50° C using internal sensor. Optionalexternal sensor measures –20° C to+70° C. Includes setpoints that trigger outputs for analarm or external circuit. Has a 0.71" digit height with backlight. Runson 1.3 - 1.7 VDC for clock/thermometer and 5 VDC for backlight.660073 Digital Clock / Thermometer ................................$49.95 or $44.95 ea./3+External Temperature Sensor660074 Increased Range of –20° C to +70° C ..................$12.95 or $11.95 ea./3+Digital Thermometerand Controller ModuleCan be used as a stand alone temperature displayor add external switches and indicators to themodule to take advantage of its memory andtemperature alarms. Has high and low temperature memory, high and lowtemperature alarms, 1 or 15 sec sampling rate, alarm buzzer output, -40° F to+122° F range. Runs on 1 AA battery in it's molded battery compartment. Large1/2" H LCD display. Prewired external sensor with 3 1/2 feet of cable. Includesinstruction booklet with connection information.660069 Digital Thermometer / Controller Module ........................................$28.9512/24 Hour Digital AlarmClock with Snooze AlarmBacklit display with 3/8" digit height. Clock runson 1.25 - 1.8 VDC and backlight on 5 VDC.660072 Digital Alarm Clock with 15/16” Digits ..................$39.95 or $37.95 ea./3+Totalising Counters4 Digit Totalising CounterRuns on 1.3 - 1.7 VDC. Countinginput and external reset can be acontact closure or an opencollector device. Has a 10 countper second max. counting rate.Digit height is 3/8".660075 4 Digit Totalising Counter ..................................$16.95 or $15.95 ea./3+8 Digit Totalising CounterRuns on 2.7 - 3.3 VDC. Has high/low speed count inputs. Low speed countinginput and external reset can be a contact closure or an open collector device.High speed counting input can be a switch closure or TTL/CMOS device. Lowspeed counting input has a max. rate of 30 counts/sec. and the high speed inputis 10,000 counts/sec. max. Digit height is 5/16".660076 8 Digit Totalising Counter ..................................$24.95 or $23.95 ea./3+Magnetic TesterFor science andelectronics. FindsNorth and South poles ofmagnetic fields.Two-color LED and buzzer indication. Includes two LR44 batteries.740118 ....................................................................$17.95 or $16.95 ea./3+Electronics Design WorkstationsIdeal for analog, digital, and microprocessor circuits. High and low bufferedlogic indicators. 8-channel logic monitor. [8] selectable logic switches. FunctionGenerator with continuously variable sine, square and triangle waveforms andTTL pulses. Triple output power supply offers fixed 5VDC supply plus two variableoutputs: +-1 to +-15VDC. Two open collector output pulsers. Audioexperimentation speaker. Removable breadboard area and optional additionalbreadboard socket plates. Multiple features in one complete test instrumentsaves hundreds of dollars needed for individual units.680067 Desktop Workstation................................................$325 or $295 ea./3+680117 Portable Workstation................................................$365 or $345 ea./3+AdvancedElectronics TrainerTwo open collector output pulsers. Withbuilt-in multi-waveform function generator.Quad Voltage power supply: 3 DC and 1 lowvoltage AC. Built-in logic probe with pulsecapture. BCD to 7-segment decoder /display.8-channel logic monitor.680118 ..........................................................................$595 or $545 ea./3+Powered Breadboardswith Power Supply+5.5V DC to +18V DC / -5.5V DC to -18V DC @ 0.5A680119 ......................................$179.95 or $169.95 ea./3++12 to -12VDC @ 0.25A680014 ......................................................................$195Triple Output DC Power Supplywith 2 Analog MetersTwo Variable Output: 1.3 to 20V DC @0.25A.Fixed Output: +5V DC @ 1A. Isolatedoutputs can be combined to double voltageor current. External short circuit protected.680110 ..........................................................................$225 or $205 ea./3+Triple Output DC Power Supplywith Digital Panel MeterTwo Variable Output: 1.5 to 18V DC @0.5A.Fixed Output: +5V DC @ 1A. Isolated outputscan be combined to double voltage orcurrent. External short circuit protected.680111 ..........................................................................$225 or $205 ea./3+Four-in-One Test Station100 KHz to 110 MHz RF Generator. 100MHz, High Sensitivity Counter with 5 DigitDisplay. 1 Hz to 1 MHz Function Generator.Variable 32V, 2A DC Power Supply withAdjustable Voltage and Current Limit.Digital Readout for Voltage or Current.680120 ..........................................................................$985 or $965 ea./3+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 29

WATER EQUIPMENT ELECTRONICS ELECTRONICSPURE WAVE Function GeneratorsAvailable in 4 Models: 2MHz, 5MHz, 10MHz and20MHz. Frequency Stability of 0.1%, and TotalHarmonic Distortion of less than 1%. Built-in 5Hzto 40MHz frequency counter with each model. Unitsmay be controlled remotely via standard RS-232communications interface. AM/FM modulation(20MHz version). Linear and Log Sweep (except on2MHz version). Burst Mode (20MHz version).680125 2MHz ......................$575 or $545 ea./3+680126 5MHz ........................$595 or $585 ea./3+680127 10MHz ......................$645 or $625 ea./3+680128 20MHz ......................$795 or $745 ea./3+Frequency Counter10Hz-1GHz. Measures frequency, period and totalize.8-digit LED display. 10ppm stability.25mV sensitivity.720099 ................................$325 or $295 ea./3+Sine/Square/Audio Wave GeneratorWide range audio signal with sine/square wavesimultaneous outputs. Has a frequency range of20-200KHz square or 20Hz-2MHz sine.690044 ................................$225 or $195 ea./3+RF Signal Generator100KHz-150MHz. 6 ranges. 100mVrms. +/- 3%accuracy, with hi-lo switch and fine adjustmentcontrol. Includes test leads.690045 ................................$225 or $195 ea./3+5MHz Pulse GeneratorIndependent settings of pulse width and pulsespacing. Outputs from 0.5 to 5MHz. Four modes:run, triggered, gated and single shot. Symmetricalsquare wave outputs. Complement output – invertswaveform. Variable output for CMOS circuits680021 ................................$365 or $345 ea./2+10MHz Pulse GeneratorIndependent settings of pulse width and pulsespacing. Has outputs from 0.1 Hz to 10 MHz.Four modes: run, triggered, gated, single shot.Symmetrical square wave outputs. Complementoutput—inverts waveform. Variable output for CMOScircuits.680124 ................................$375 or $355 ea./2+2-in-1 Logic Probe & Pulser ComboThis combo device simplifies troubleshooting andanalyzing digital circuits.Logic Probe Specifications• Frequency Response: 50MHz• Detectable Pulse Width: 10ns• Logic Threshold: TTL Hi 2.3V, Lo 0.75V, CMOS Hi 60%Vcc, Lo 15% Vcc, 7-18Vcc, Lo 40% Vcc• Input Impedance: 120kW• Operating Supply Voltage: 3-18V• Max. Input Protection: +70VAC/DC @ 15 s.• Power Supply Protection: +20VLogic Pulser Specifications• Pulse Repetition Rate: 0.5/500Hz• Pulse Width: 10ms• Output Current: Pulser Mode @ 0.5Hz, 100mA sink/source,Square Wave Mode @ 500Hz, 5mA sink/source• Sync Input Impedance: 1MW• Operating Supply Voltage: 5-15V• Max. Sync Input Protection: +120VDC @ 30 s.• Output Protection: +35VDC @ 30 s.• Power Supply Protection: +20VDC @ 30 s.282445 ..........................$34.95 or $32.95 ea./3+25ns Logic ProbeAudio and visual features, tests all logic familiesTTL/LS and CMOS/MOS digital circuits, color codedLEDs indicate high, low or pulsed logic states.The high speed logic probe is capable of capturingpulses of 25nsec. Simultaneous tone output(high/low), 25MHz maximum input frequency.282444 ..........................$21.95 or $19.95 ea./3+DigitalLogic Probes30ns Pulses. This logic probe features pulse memory.Comes with coiled power cord, ball-type power clipsand a 1 year warranty.740087 25MHz ................$39.95 or $38.95 ea./3+740088 50MHz ................$59.95 or $54.95 ea./3+Sweep Generator0.02Hz-2MHz. Frequency control. Outputs for sine,triangle, square, pulse, ramp slewed sine andTTL square waves.720098 ................................$295 or $275 ea./2+Multi-PurposeSweep Function GeneratorWide frequency range 0.2Hz to 2MHz. Provides sine,triangle and square wave. Continuously variable 50ohm output. Symmetry control provides duty-cycleadjustment. Variable DC offset. Separate TTL output.Sweep input allows VCO control of frequency.680133 ................................$375 or $349 ea./2+Copyright © Kelvin L.P.30 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

Electronics Tool Set III• Soldering Iron• [2] Soldering Iron Tips• Solder Removal Braid• [2] Heat Sinks• Alligator Clips• Soldering Iron Holder• Sponge Pad• Solder Tube• Soldering Aid• Desoldering Tool• Mini Long Nose Pliers• Mini Diagonal Cutters• Wire Stripper• Phillips Screwdriver• Nutdriver Set• Alignment Tool• Safety Goggles• [2] Slotted Screwdrivers• Precision Screwdrivers Set• Heavy-Duty Tool Box with Two Trays.840326 ....................................................................$36.95 or $34.95 ea./3+Copyright © Kelvin L.P.ELECTRONICSWATER TOOLSWe Have Electronics Tool Sets for Every Skill Level!BEGINNERElectronicsTool Set I• 30W Soldering Iron• Sponge Pad• Mini-Nose Pliers• Diagonal Cutters• Wire Stripper/Cutter• Slotted Screwdriver• Phillips Screwdriver840213 ..........................................$16.95 or $15.95 ea./6+BEGINNER &INTERMEDIATEElectronics Tool Set IIWith Vinyl Pouch• Soldering Iron• {2] Soldering Iron Tips• Mini Long Nose Pliers• Mini Diagonal Cutter• Wire Stripper• Phillips Screwdriver• Precision Screwdriver Set• Alignment Tool• [2] Slotted Screwdrivers• Nutdriver Set840327 ............$29.95 or $28.95 ea./3+INTERMEDIATE/ADVANCEDMULTI-PURPOSEMulti-Purpose Tool Set• Stubby SlottedHead Screwdriver• [2] Slotted Screwdrivers• [2] Phillips Screwdrivers• Long Nose Plierswith Side Cutter• CombinationPliers With• AdjustableXceliteWrench• Hex Nut Driver• Wire Stripper• Tape Rule• Tool Box530159 Tool Set ........................................................$89.95 or $86.95 ea./3+PROFESSIONALProfessional WithTool Set Xcelite,• [2] SlottedScrewdrivers Weller and• [2] Phillips MillerScrewdrivers• Diagonal Cutter• Nose Pliers• Slip Joint Pliers• Nut Driver• Miller WireStripper/Cutter• Soldering Iron• 2.5 oz. ResinCore SolderBONUS: Tool Box (with twin latches, removable tray and padlock eye)840074 Professional Tool Set with Tool Box ......................$99.95 or $94.95 ea./3+TOOL PANELElectronicsTool Panel• [4] 200LE Multimeters• [2] 40W Soldering Irons• [2] 25W Soldering Irons• Soldering Gun• [3] Slot-Blade Screwdrivers• [3] Phillips-Blade Screwdriver• Nut Driver Set• [2] Wire Strippers• Precision Screwdriver Set• [2] Diagonal Pliers• Electrician’s Pliers• [2] Needlenose Pliers• Storage Panel430084 ..........$995 or $895 ea./2+FIND TOOLPANELSATWWW.KELVIN.COMTOOLS & BOXHands-On Physics Tool BoxAssortment of tools & supplies for usewith the H.O.P. Units. Good assortmentfor electronics. Includes multimeter,soldering iron, solder, wire, etc.840997 ................................$99.951-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 31

TOOLS E L E C T R O N I C SAB C D EFGHDiagonal CuttersCan be used for most electronics work such asassembling circuit boards and cutting wire.520023 A 4-1/2” ................$3.45 or $2.95 ea./6+520022 B 6-1/2”..................$4.95 or $3.95 ea./6+Xcelite Heavy Duty Diagonal Pliers530026 C 7” ................$19.95 or $18.95 ea./6+Xcelite Diagonal CuttersFeatures standard beveled edges, forged alloy steelconstruction and precision machining.530002 D 4” ..................$19.95 or $18.95 ea./6+530110 E 5” ..................$20.95 or $19.95 ea./6+530013 F 6” ..................$21.95 or $20.95 ea./6+Find Wire Strippers on the Next Page.Xcelite ShearcutterFlush cuts soft wire up to 20AWG (0.8mm).530091 G 5” ......................$6.95 or $6.25 ea./6+Xcelite Safety ShearcutterFlush cuts soft wire up to 20AWG (0.8mm). Featuressafety clip that helps reduce flying leads and wires.Static-dissapative grips.820077 H 5” ..................$12.95 or $10.95 ea./6+ABCD E FGHLong Nose Pliers520021 A 4-1/2" w/Cutter, Serrated Jaws............................$3.25 or $2.95 ea./6+520020 B 6” w/Cutter, Serrated Jaws ................................$5.95 or $4.45 ea./6+530146 C 6” Curved ..................................................$22.95 or $21.95 ea./6+Find More Tools Online at www.kelvin.comXcelite Long Nose Pliers530001 D 4” Subminiature ..........................................$17.95 or $15.95 ea./6+530144 E 5-1/2” w/Cutter, Serrated Jaws ......................$20.95 or $18.95 ea./6+850457 F 5” w/Serrated Jaws ......................................$19.95 or $18.95 ea./6+530014 G 6” w/Cutter, Serrated Jaws ............................$22.95 or $20.95 ea./6+530145 H 6” Extra Long Needle Nose ............................$20.95 or $19.95 ea./6+IABCDEFGHKJElectrician’s PliersUse for a number of tasks such as cutting wire,twisting wires or removing metal box knockouts.520026 7” ....................$5.95 or $5.50 ea./6+530015 A 8” ....................$8.95 or $8.45 ea./6+Chain Nose Pliers with Serrated Jaws530114 B 7-1/2”Crescent..$19.95 or $18.95 ea./6+530028 C 8” Xcelite ........$24.95 or $22.95 ea./6+Slip Joint PliersVersatile, heavy duty pliers with a wire cutter.520001 D 6” ......................$3.95 or $3.79 ea./6+520164 8” ......................$3.65 or $3.45 ea./6+Miller Wire Stripper/Cutter w/ AdjustableStopFor stranded and solid wires up to 10AWG (2.6mm).520010 E #101 ................$10.49 or $9.45 ea./6+520011 E w/Spring, #101-S..$12.95 or $11.65 ea./6+Miller Wire Stripper/Cutter with ExtrudedCamUse for stranded and solid wires up to 10AWG(2.6mm). With spring, #103-S.520159 E ......................$15.95 or $15.15 ea./6+Strip-Er-ClipEconomical precision tool with safeguard to preventcuts. 8-stop gauge can be used to cut 12-26 AWGwire to any length.520207 F ..........................$4.29 or $3.86 ea./6+Self-Adjusting Wire Stripper/CutterUse for stripping insulation from 0.2-6mm wire.Maximum strip length is 25mm.520069 G ..........................$15 or $13.95 ea./6+Automatic Wire StripperThis automatic wire stripper holds the wire in placewhile the blade strips off the insulation. Use to strip12 to 22 gauge wire.520194 H ......................$24.95 or $22.95 ea./6+Economy Wire StripperFor stranded and solid wiresup to 10AWG (2.6mm).520298 I ..........................$1.95 or $1.75 ea./6+Klein Crimping PlierHigh quality all-purpose tool crimps insulated andnon-insulated lugs. Strips 8-22AWG solid and 10-26AWG stranded wire. Cuts bolts from #4-#10.520206 J #1001..............$20.95 or $19.95 ea./6+Inch Crimping Tool and Wire StripperCrimps insulated and non-insulated lugs. Strips 10to 22AWG solid and stranded wire. Cuts bolts from#4 to #10.520002 K Inch ....................$2.45 or $2.25 ea./6+Find Wire Productson Pages 44-45Copyright © Kelvin L.P.32 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSTOOLSWiringABCPremium Wire Stripper7-in-1 all-purpose wire stripper, cutter, pliers, andcrimper. Cushion grip, strips AWG 16 - 26. 6” long.520302 A ..........................$7.95 or $7.45 ea./6+Diagonal CuttersDrop forged steel, cushion grip. 6” long.520303 B ..........................$5.95 or $5.45 ea./6+Coaxial Cable Stripper3-step coaxial cable stripper. Strips RG/U 6, 58, 59,62 and 3C2V, 5C2V.520301 C ......................$16.95 or $15.95 ea./6+Round Cable CutterCuts multi-conductor cable up to 1/2” and solid orstranded wire up to 8 AWG. Spring return with safetylock.520300 D ..........................$7.95 or $6.95 ea./6+Modular Crimping ToolCuts, strips, and crimps modular plugs 8P/RJ45 and6P/RJ12, RJ11. Cushion grip. 7 1/2” long.520299 E ......................$29.95 or $27.95 ea./6+Electrician’s KnifeThis multi-functional tool has twoblades (one with a screwdriver end)and a tool belt hook. This knife canbe used for a variety of tasks thatinclude stripping and cutting wire, forscraping boards, etc.970001 Knife ........................$6.95 or $6.45 ea./6+Nibbling ToolUse for shaping metal andcircuit boards, etc.520005 Nibbling Tool ........$21.95 or $19.95 ea./6+DETweezersIdeal for picking up small components in hard toreach places as well as assembly on pc boards. Madeof durable stainless steel.Straight Tweezers480002 6" L..........................$2.95 or $2.80 ea./6+Soldering Tweezers Self-Closing, Curved Tip480008 6-3/8" L ....................$4.95 or $4.40 ea./6+Pick SetsFor precision work such as scribing, marking,seperating, positioning and counting. Hardened,tempered stainless steel.670025 Pick Sets ..................$5.95 or $4.95 ea./6+Wire BrushHeavy-duty wire brush can be used for cleaningcircuit boards and metal. 10" long.520009 ..............................$1.95 or $1.75 ea./6+Acid BrushesFor working with PC boards. 10/pkg.580044 1/4” W..........................$2.95 or $2.75 ea./6+580045 3/8” W..........................$2.95 or $2.75 ea./6+HelpingHandFrees hands for soldering with two adjustable armswith alligator clip jaws. Six locking ball joints permithands-free operation and a heavy base that preventstipping. Use in a vise or clamped to a work bench.470058 $3.35 or $2.95 ea./6+PCB Holderand Work CenterComplete work center for PC boards. Sturdy basewith non-tip bars. Cushioned jaws and a cushionedarm hold pc boards in place as you work. The pcboard can be rotated 360˚; allowing work to be doneat any angle.810055 ................................$59.95 or $57.95 ea./3+Straight TipsCurved TipsLocking ForcepsUse to select and position delicate and small parts.Ideal for precision work.480001 Straight Tips, 5-1/2” L....$2.95 or $2.75 ea./6+480006 Straight Tips, 6-1/4” L....$3.95 or $3.45 ea./6+480004 Curved Tips, 5-1/2” L ....$3.95 or $3.45 ea./6+480007 Curved Tips, 6-1/4” L ....$4.95 or $3.95 ea./6+Find X-Acto Knives atwww.kelvin.comFluorescentMagnifier LampBeige lamp with aprecision magnifyinglens (up to 3X).Sturdy springbalance armhas an extendedreach of 45” long.Comes with a 22watt fluorescentcircline bulb. (NotLuxo brand).210101 ..........................$59.95 or $54.95 ea./3+agnify Your WorkMMagnifier GlassesBinocular style. 2.5X. Adjustable.240002 ........$19.95 or $18.95 ea./3+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 33

TOOLS ELECTRONICSStandard HeadFits all 300 series bases. Jaws open to 2-1/4” (58mm). Jaws are 2-1/2” wide(64mm). The stem is 2-1/8” (54mm)long and 5/8” (16mm) in diameter.Nylon jaws have a satin finish toimprove grip. Steel, brass, Teflonand grooved nylon jaws areavailable as accessories for thishead. As a general purpose head,you can’t go wrong with itsexceptional strength and quality.540005 ....................................................................$29.95 or $27.95 ea./3+Circuit Board Holder HeadAccommodates PC boards of any shape andsize, from 1/8” (3mm) to 12”(308mm) wide and 5/32” (4mm) thick. Armsmove independently and may be positionedadjacent to each other. Fits all 300series bases. The stem is 5/8” (16mm)in dia. Overall height (including stem) is 107/8” (279mm).540007 ..............................$36.95 or $33.95 ea./3+Wide Opening HeadA versatile, general purpose electronics head created especially forproduction lines, technicians, and designers. Jawsopen to 6” (164mm) and fits most PC boards in itsmolded, deep-ribbed neoprenejaw pads. When padsare reversed, the wide “V”can be used for securing delicate items, suchas tuners, coils, motor armatures, etc. The jaw’scontrol knob is micro-adjustable so it exerts theexact amount of pressure you need. Fits all 300series bases The stem is 2-1/4” (58mm) longand 5/8” (16mm) in diameter. Overall height is 5-1/8” (131mm).540006 ....................................................................$37.95 or $34.95 ea./3+Standard BaseThe patented single load control knob and exclusive splitballfeature firmly lock the head into place. Holds all 300series heads. This base has three 1/4” (6mm)countersunk mounting holes on a 4 5/16” (111mm)bolt circle for attaching directly to a work bench orto a portable Base Mount. Accepts all 5/8” (16mm)stems. Overall height is 3-3/4” (96mm).540001 ..................$24.95 or $22.95 ea./3+Low-Profile BaseThis base has all the tilt, turn and rotate control features ofthe Standard Base, but it’s only 2-1/2” high. Designed forworking close to the bench surface. Holds all 300 seriesheads. This base has three 1/4” (6mm) countersunkmounting holes on a 4-5/16” (111mm) bolt circle forattaching directly to a work bench or to a portableBase Mount. Accepts all 5/8” (16mm) stems.540002 ..................$23.95 or $21.95ea./3+Weighted Base MountThe husky, cast iron 308 Base Mount weighs 5lbs. (2.3kg),making it compact and stable. Includedare four non-marring, anti-skid neoprene basepads. Two 1/4 - 20 holes are drilled and tapped onthe side extension for conveniently mounting theaccessories. Three screws and nuts are included formounting a base to the Weighted Base Mount.540004 Weighted Base Mount ......................................$29.95 or $27.95 ea./3+Bench Clamp Base MountThe 311 Bench Clamp Base Mount clamps tothe edge of any work bench or table up to3-7/16” (88mm) thick. For use with the 300Standard Base and the 305 Low-Profile Base.4 neoprene pads are included and may be usedwhen additional anti-slip characteristics aredesired without excessive tightening of theclamping screw. Three screws and nutsare included for mounting a baseto the Bench Clamp.540003 ..$39.95 or $37.95 ea./3+Rapid AssemblyPC Board HolderFeatures an eightposition rotatingadjustment andsix positive lockpositions in thevertical plane. Springloaded, this modelfeatures tilt angle adjustment,height adjustment, and quick boardrotation for component insertion and soldering. 6lbs. 7 oz. (2.9kg). Height from base to top ofvertical shaft is 10”(25.4cm).540011 ..........................$79.95 or $74.95 ea./3+Multi-PurposeWork CenterThis is one of themost versatilecombinations,perfect for homeor hobby needs.Start with a 376Self-CenteringExtra-Wide Opening Head, include the 300Standard Base, and finish off with the 312 PartsTray Base Mount. The 350 Multi-Purpose WorkCenter stands 7-7/8” (201mm) tall and weighs5lbs. (2.3kg).540010 ..........................$89.95 or $84.95 ea./3+Standard Headand Vacuum BaseThe 381 VacuumBase PanaVise is acombination of the380 Vacuum Baseand the 303 StandardHead. A half turn ofthe mount lever attachesor releases the powerfulsuction pad and allows rapid set-ups in a variety oflocations (for use on smooth, non-porous surfacesonly). This combination stands 6-1/8” (157mm) talland weighs 2lbs. 13oz. (1.3kg).540009 ..........................$69.95 or $64.95 ea./3+Find Additional Tools at www.kelvin.comCopyright © Kelvin L.P.34 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSTOOLSDeluxe Tool CaseMetal reinforced tool case with metal handle, locks, tool pallet, meter rampand dividers. Ideal for the technician.490061 Deluxe Tool Case, 18"x13"x7" ............................$59.95 or $56.95 ea./3+Akro-MillsLightweight Tool BoxLightweight tool box with tray. Small compact size makes it ideal for carryingit around the lab to your projects.430038 Lightweight Tool Box, 13”x7”x6” ........................$12.95 or $11.95 ea./6+Akro-MilsHeavy-Duty Tool BoxThis durable hevy-duty tool box can hold up to 60 lbs. of tools, parts andequipment. The tool box features a sure-lock latch, lift out tray & padlock eye.430033 Heavy-Duty Tool Box, 16”x8”x7" ........................$16.95 or $15.95 ea./6+Akro-MilsProfessional Tool BoxThis professional-style tool box features a removable tote tray that is ideal forholding a variety of electronic tools and supplies. Ideal for serious hobbyistsand electronics students.430034 Pro Tool Box, 19”x9-1/2”x8-1/2” ........................$19.95 or $18.95 ea./6+Basic Tool CaseLarge zipper canvas case with handles. This canvas case is lightweight butdurable enough to hold a meter, soldering, tools, etc.490060 Basic Tool Case, 14-3/4"x9"x2-1/4"......................$24.95 or $22.95 ea./3+Utility BoxPlattTool CasesMolded HMW Polyethylene with durable ribbed shell. Features medium-dutyvalance, cast key locks, and molded handle. The interior features include HMWpolyethylene body divider, convenient literature pocket and two molded pallets.430065 Tool Case, 18-1/2” x 13” x 4-1/4” ....................$149.95 or $139.95 ea./3+430048 Tool Case, 18-1/2” x 13” x 6” ........................$159.95 or $149.95 ea./3+Storage CabinetUtility BoxesIdeal for storing and organizing all of your components, small parts,and more in the classroom. The boxes include two removable dividers.430027 Utility Box, 5-15 Drawers ......................................$5.95 or $5.45 ea./3+Storage CabinetsFor organizing and storing electronic supplies and parts in addition to othersmall parts in your classroom.430074 Storage Cabinet, 26 Drawers ..............................$24.95 or $22.95 ea./3+430073 Storage Cabinet, 64 Drawers ..............................$34.95 or $32.95 ea./3+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 35

WATER TOOLS ELECTRONICSSoldering Irons and SuppliesSAVE!AS LOW ASProject Soldering Iron30W Soldering iron with 3/16" long tapered tipand break-resistant plastic handle. 117V, 60Hz (UL).990098 2-Prong Soldering Iron ....................................$4.95 or$4 65ea./6+990099 2-Prong Soldering Iron Tip Only ............................95¢ or 85¢ ea./12+990072 3-Prong Soldering Iron ..................................$9.95 or $9.45 ea./6+990117 3-Prong Soldering Iron Tip Only ......................$2.95 or $2.65 ea./12+Project Soldering IronHolder and SpongeHeavy-duty spring with bakelitesupport, steel base, and sponge pad.Soldering Iron Holder and Sponge830010 ......................$2.75 or$2 25 ea./10+Sponge Only990083 ..........................85¢ or 79¢ ea./10+Soldering IronsSAVE!$4 65EACHWeller Marksman Soldering IronsFeatherweight (1-3/4 oz.) soldering iron is ideal for reaching hard to get spots.Use 25W for PC board work. Replaceable tips.810002 25W Soldering Iron ..........................................$19.95 or $18.95 ea./6+810005 40W Soldering Iron ..........................................$23.95 or $21.95 ea./6+810023 25W Chisel Tip, 2/pkg. ..................................................$5.45 or $4.95 ea./6+810004 25W Cone Tip ........................................................$2.45 or $2.25 ea./6+810006 40W Chisel Tip, 2/pkg. ..........................................$9.95 or $8.95 ea./6+Weller Pencil Thin Soldering Iron12W soldering iron is pencil thin. Ideal for reaching into those tight spots. Tiptemperature is 800°. Use Weller MP auto slide-in soldering iron tips.810054 12W Soldering Iron ..................................................$19.95 or $17.95 ea./6+60/40 Solder Pocket-PackANon-corrosive, resin flex core solderin a convenient dispenser pack.580022 A Solder Pack, 1/2 oz.............$1.95 or $1.85 ea./4+Soldering Paste580023 B Acid Paste, 2 oz. ..............$3.95 or $3.45 ea./6+580036 Resin Paste, 3.5 oz.............$3.75 or $3.25 ea./6+Kester 60/40 Solder SpoolsEconomical solder features a non-corrosive,flux resin core. 1 lb. spools.580001 C 1/16” dia. ..........$24.95 or $22.95 ea./4+580005 C 1/32” dia. ..........$29.95 or $27.95 ea./4+Weller Solder Mate HolderMade for a 1 lb. spool of solder.580046 D ........................$13.95 or $11.95 ea./3+Soldering Aids KitKit includes a Heat Sink, Fine Probe,ESlotted Probe and Brush/Scraper.450032 ....................$2.95 or $2.75 ea./10+EHeat SinksProtect heat-sensitive components fromFdamage when soldering or desoldering leads.450034 F Clip Heat Sink........................79¢ or 69¢ ea./10+480024 G TO-220 Snap-On Heat Sink ......69¢ or 59¢ ea./10+Solder BrushHwith Metal Bristles580043 H ....................................$1.75 or $1.50 ea./3+DBCGWeller Soldering Irons820051 80W Soldering Iron ..........................................$34.95 or $31.95 ea./3+Weller Pro Soldering IronTop-quality, industrial-grade tools create a temperature of 750°. Stainlesssteel barrel. Long life, double-coated tips. Popular pencil styling. Light bluehandle with black heat shield.810010 25W Soldering Iron ..........................................$37.95 or $34.95 ea./3+810012 35W Soldering Iron ..........................................$49.95 or $44.95 ea./3+810011 1/16” Tip, #ST1 ....................................................$6.45 or $5.95 ea./6+810013 1/8” Tip, #ST3 ......................................................$6.45 or $5.95 ea./6+810014 1/32” Cone Tip, #ST7 ............................................$6.45 or $5.95 ea./6+Weller Soldering KitSoldering iron, [3] copper tips, 40/60 solder,soldering aid & instructions. $810029 ................$25.95 or 24 95 Aea./3+Weller Soldering Iron Holder820020 B Holder ........................$19.95 or $18.95 ea./3+Weller Soldering Iron Holder810041 C Holder & Sponge................$29.95 or $25.95 ea./3+810042 Sponge Only....................$1.95 or $1.75 ea./10+Klean Tip Soldering Iron Tray & Sponge820024 D Tray & Sponge ................$10.95 or $9.95 ea./3+820038 Sponge Only....................$2.25 or $1.95 ea./10+ABCDCopyright © Kelvin L.P.36 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSTOOLSSoldering and Desoldering SuppliesWELLER ElectricSoldering StationHigh-End Performance. Ideal forcontinuous production soldering oroccasional use. New heater and sensordesign that allows for quick heat upand recovery. Temperature lockout andtip temperature offset ability comestandard, as does an automatic shut offfeature that extends tip, iron and stationlife.810056 ..$129.95 or $119.95 ea./3+5 to 20WattsIdeal forProfessionals,Students andHobbyists!WELLER All-Purpose Soldering GunThis all-purpose soldering gun features built-in,pre-focused spotlight with pull of trigger.Pistol-grip, replaceable tip.810001 #8200 ..................................$48.95 or $44.95 ea./3+810003 #7135 Soldering Gun Tips, 2/pkg. ....$4.65 or $4.35 ea./6+#D550 Soldering Gun / Tips810007 #D550 Soldering Gun- High Heat (200-260 Watts) ............................$59.95810008 #7250 Soldering Gun Tips ......................................$5.95 or $5.45 ea./6+810009 #7250N Soldering Gun Tips ....................................$5.95 or $5.45 ea./6+WellerSoldering HandlesStock#WellerSoldering Iron HeatersStock#ThreadTypeWattsTemp.(F)Dia.(in.)Model#Price3+Price820001 Thread-In 23W 700° 1/8 535S $24.95 $22.95820007 Thread-In 33W 800° 1/8 235S $24.95 $22.95820004 Thread-On 23W 700° 1/4 537S $24.95 $22.95820009 Thread-On 33W 800° 1/4 1237S $24.95 $22.95Stock#Type# OFWIRESThread TypeDescritpionTipMaterialDia.(in.)Model#Model#PricePrice3+Price820036 2 Red 7760 $19.95 $17.95820025 3 OSHA Grounded 7500 $39.95 $34.95WellerSoldering Iron Tips5+Price820010 Chisel Thread-In Copper 1/8 333 $2.95 $2.75820018 Chisel Thread-In Silver-Plated 1/8 PL333 $4.95 $4.65820016 Pencil Thread-In Silver-Plated 1/8 PL331 $5.95 $5.65820014 Chisel Thread-On Silver-Plated 1/4 PL113 $6.95 $6.45820015 L. Chisel Thread-On Silver-Plated 1/4 PL133 $6.95 $6.45820068 Pencil Thread-On Silver-Plated 1/4 PL138 $6.95 $6.45Student Soldering StationsThis Soldering Station is electronically controlled to provide variable heat—5to 40 watts. Ideal for professionals, students, and hobbyists. The unit includesa soldering iron, holder funnel for the iron, sponge pad for cleaning the tip andan on/off indicator light. For general soldering requirements. Includes solderingiron.282438 Assembled Student Soldering Station....................$35.95 or $33.95 ea./3+282439 Solder Station Kit..............................................$33.95 or $31.95 ea./3+AElectricDesoldering Iron AIncludes a cleaning wand.820083 ....$35.95 or $32.95 ea./3+Desoldering Iron Tip Only820084 ........$4.95 or $4.45 ea./3+VacuumDesoldering Pump BAll metal vacuum desoldering pumpfeatures one-hand operation.450030 ........$2.45 or $2.25 ea./6+ESD-Safe Desoldering Pump580042 ......$35.95 or $32.95 ea./3+Desoldering Wick FThe easiest way to desolder PC boardand terminal connections.580009 0.150” W............$4.45 or $3.95 ea./6+580026 0.190” W............$4.65 or $4.25 ea./6+580037 0.050” W........$19.95 or $17.95 ea./6+Imported Quality 5 ft. Length580004 0 .075” W............$1.45 or $1.25 ea./6+580025 0.100” W............$1.45 or $1.25 ea./6+BCEEconomyDesoldering Pumps C D810058 Sm......$2.95 or $2.75 ea./6+810057 Lg ......$3.95 or $3.45 ea./6+Desoldering Bulb EEconomical! Includes a high heatresistant, removable tip for removingsolder, but without scratching ordamaging delicate PC boards.990084 ........$4.45 or $3.95 ea./6+FDCopyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 37

WATER CIRCUIT ELECTRONICS DESIGN ELECTRONICSCopper-PlatedBlank Circuit BoardsStock#Thickness(inches)Dimensions(inches)Weight(oz.)SidesPrice10+Price440623 1/32 6x5 — Single $5.99 $5.45440624 1/32 6x9 — Single $9.99 $9.45440001 1/16 3x2-1/2 1 Single 95¢ 85¢440002 1/16 6x4-1/2 1 Single $1.75 $1.65440003 1/16 7x5 1 Single $2.95 $2.65440004 1/16 12x9 1 Single $6.95 $6.45440014 1/16 15-1/2x7-1/4 1 Single $7.95 $7.45440013 1/16 17-3/4x2-3/4 1 Single $3.95 $3.45440065 1/16 36x24 1 Single $39.95 $36.95440145 1/16 6x9 1 Double $4.75 $4.45EtchingTankThis tank will etch in only 4 minutes!Includes a thermostat-controlledheater, electric agitator and hangingaccessories. 160 x 250mm maximumPC board size.440142 ....$69.95 or $59.95 ea./2+Our Complete ElectronicsSelectionis Available Online atwww.kelvin.comEtching Tank PartsCombine the following to make yourown economical etching tank.Air Circulation & Agitation Pump450069 ....$12.95 or $11.95 ea./3+Tank HeaterReduces the heating time whenetching printed circuit boards. Comeswith an adjustable thermostat.440143 $19.95 or $18.95 ea./6+Black Direct Etch Tape 54 ft./roll440058 1/64” W....$3.95 or $3.45 ea./6+440006 3/32” W....$4.25 or $3.95 ea./6+440008 1/32” W....$4.45 or $4.25 ea./6+440009 1/16” W....$4.45 or $4.25 ea./6+440010 1/8” W ....$5.95 or $5.45 ea./6+440007 1/4” W ....$6.25 or $5.95 ea./6+Cleaners and LubricantInstant Stripper SprayNon-flammable; safe on most plastics.510006 A 12 oz.........................................$16.95Instant Chiller SprayChills to -62 F (-52 C) in seconds. Will not harm plasticor printed circuit boards.510004 B 10 oz...................$9.95 or $9.65 ea./3+Cleaner/Lubricating Spray510001 C 10 oz...................$9.95 or $9.45 ea./3+Dust Remover510058 D 10 oz...................$7.95 or $7.45 ea./3+WD-40 Lubricant870003 E 8 oz. ..................$6.95 or $6.25 ea./3+870004 Gallon ............$31.95 or $28.75 ea./3+Transistor Silicon Grease510002 F 6.5 gram..............$3.99 or $3.79 ea./3+Goo GoneRemoves paint, grease, and sticky problems.870063 G 4 oz. ..................$4.75 or $4.45 ea./3+ProBond ® Super Fast Epoxy Cement930012 H 0.5 oz. ................$3.95 or $3.59 ea./6+ACEGCBDFHAmmonium PersulphateEconomical! Ammonium Sulphate Etchant powderfeatures an indefinite shelf life. Mix with wateras needed; 4 lbs. makes up to 2 gallons of 20%solution. 4 lbs.440026 ......................$15.95 or $13.95 ea./3+Ferric ChlorideFast-Acting! Ferric Chloride Etchant powderworks quickly and efficiently as needed. Onelb. makes a half-gallon, 2 lbs. makes a gallon.440139 1 lb...............$16.95 or $14.95 ea./3+440140 2 lb...............$18.95 or $17.95 ea./3+A Toner Transfer SystemLaser print schematic designs ontowater-soluble paper before etching.Paper can be removed withoutdamaging line art. 10/pkg.440200 ....$39.95 or $34.95 ea./3+B PC Board Transfer FilmPhotocopy or laser print circuit designsonto Press-N-Peel Film. Iron the film ontocopper clad board and peel it off beforeetching. [5] 8.5x11” sheets.440198 ....$12.95 or $11.95 ea./6+ABC PCB Etch Resist PensRemoves with stripping solution.Extra-Fine Point, 1/64” dia.440116 ........$3.45 or $3.25 ea./6+Fine Point, 1/32” dia.440115 ........$3.95 or $2.95 ea./6+D PCB Conductive PenUse to draw traces and circuit lines.Enough silver for 100 ft. of shielding,traces, and connections.440196 ...$21.95 or $19.95 ea./6+CDCopyright © Kelvin L.P.38 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

CIRCUIT DESIGN WATERELECTRONICS ELECTRONICSBreadboardsASLOWAS$3 95EACHSuitable for a variety of prototypingneeds and circuit design. Thesesolderless breadboards accept mostelectronic components includingintegrated circuits and transistors fordigital and/or analog circuitry.400 ContactsBreadboardMost Economical!No binding post. $680093 ....$4.45 or 3 95ea./3+100 ContactsBreadboardNo binding post.2 pcs. $680094 ....$3.95 or 3 45ea./3+640 ContactsBreadboardFor your projects.No binding post. $680095 ....$5.95 or 5 45ea./3+740 ContactsBreadboardGreat for experiments.No binding post. $680096 ....$7.45 or 6 95ea./3+840 ContactsBreadboardLarge board.No binding post. $680097 ....$8.95 or 7 95ea./3+General PurposePrototyping BoardsMulti-purpose boards with pre drilled holes. Accept DIPs, sockets, headers.Indexed for pin-out ID. These boards are a convenient and economical way toassemble circuit components. Good for circuit design work.440209 2-27/32”x1-27/32”, 356 Solder-Ringed Holes ..........$2.75 or $2.45 ea./6+440208 3-3/4”x2-3/4”, 750 Solder-Ringed Holes..................$4.25 or $3.95 ea./6+440207 6-5/8”x4-1/2”, 2200 Solder-Ringed Holes ................$8.95 or $7.95 ea./6+440066 6” x 2”x .062”, Phenolic ......................................$2.45 or $2.25 ea./6+440067 6-1/2” x 4-1/2” x .062”, Phenolic ..........................$8.15 or $7.95 ea./6+440129 17” x 6” x .047”, Phenolic ..............................$15.95 or $13.95 ea./6+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 39

CIRCUIT DESIGN ELECTRONICSPrototypingBoards840 ContactsProto-Board 103 Binding Posts.680030 ....$29.95 or $27.95 ea./3+1,380 ContactsPrototyping Board2 Binding Posts.680098 ....$15.95 or $14.95 ea./3+1,580 ContactsPrototyping Board3 Binding Posts.680099 ....$17.95 or $16.95 ea./3+2,390 ContactsPrototyping Board4 Binding Posts.680100 ....$29.95 or $27.95 ea./3+Quick-Connect AccessoriesStackable Banana PlugsFor prototyping & circuit design. 2mm with Leads. Thisset of 10 plugs with leads includes halfin yellow and half in white.990136 10/pkg. ................$29.95 or $26.95 ea./3+Fahnestock Spring ClipsBrass and nickel-plated clips for prototyping and circuitdesign work. Small clip is 19/32”x 7/32” x1/4” with a3/32” diameter hole. Large clip measures3/4”x5/16”x3/8” with a 1/8” dia. hole.390059 Small, 100/pkg. ..........$11.95 or $10.95 ea./6+390060 Large, 10/pkg. ..............$1.65 or $1.45 ea./10+Circuit WizardCircuit & PCB SimulationIt’s the revolutionary new system thatcombines circuit and PC board design,breadboard simulation and CAD/CAMmanufacturing in a complete package.Wire Jumper KitKit includes Quick Test Sockets, Bus Strips and 22-Gauge Wire (pre-cut, prestrippedand color-coded).330289 140 Piece Kit ......................................................$4.95 or $4.45 ea./3+330290 350 Piece Kit ......................................................$7.95 or $7.45 ea./3+Other Design Software Available, Page 15-16.Copyright © Kelvin L.P.40 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSPARTSAMJTerminalStripsStock#B C DF G H IOFig. Terminals TypeKNL10+PriceE100+Price390064 A 2 Solder-Type 19¢ 17¢390065 B 2 Solder-Type 80¢ 78¢390066 C 2 Solder-Type 25¢ 23¢390069 D 3 Solder-Type 25¢ 23¢390067 E 3 Solder-Type 28¢ 26¢390070 F 3 Solder-Type 85¢ 80¢390071 G 4 Solder-Type 34¢ 32¢390073 H 4 Solder-Type 40¢ 36¢390074 I 5 Solder-Type 40¢ 36¢390075 J 5 Solder-Type 45¢ 40¢390099 K 6 Solder-Type 50¢ 47¢390072 L 6 Solder-Type 50¢ 47¢390076 M 6 Solder-Type 95¢ 90¢390077 N 8 Solder-Type 45¢ 40¢390056 O 2 Threaded 95¢ 85¢390101 — 3 Threaded 95¢ 85¢390102 — 4 Threaded 70¢ 63¢390103 — 5 Threaded 88¢ 71¢390137 — 6 Threaded 95¢ 75¢390104 — 7 Threaded $1.18 94¢390105 — 8 Threaded $1.34 $1.07390106 — 9 Threaded $1.75 $1.55390107 — 10 Threaded $2.95 $2.75390063 — 2 Spade Lug 20¢ 18¢Low-Profile Terminal BlocksConnect wires to PC boards. 5mm, Blue.Stock # Posts Price 10+ Price390323 2 65¢ 55¢390319 4 $1.45 $1.25390320 10 $2.95 $2.50InsulatedSolderlessTerminal KitThis terminal kit contains15 assorted single gripinsulated terminalstylesfor a wide varietyof general purposeapplications. 158 totalterminals.390224 Model # 89976 ................................................$59.95 or $54.95 ea./6+Push-In Micro Terminal ClipUse to connect integrated circuit leads that lay inthe terminal slot. Designed to fit 0.042” diameterhole and hold 3-4 wires.450062 T42, 100/pkg. ............$9.95 or $8.95 ea./3+450063 T42, 1000/pkg. ......$69.95 or $59.95 ea./3+Wire Wrap Micro Terminal Clip T49450060 100/pkg...........$22.95 or $20.95 ea./3+450061 1,000/pkg...............$145 or $135 ea./3+Terminal Insertion Tools450065 A P149A......$57.95 or $54.95 ea./4+450064 B P156........$23.95 or $21.95 ea./4+Terminal Barrier StripsEquivalent to Cinch Jones 140 series. Black molded glossbakelite. Nickel-plated screws. 13/32”Hx1/4”T. Terminal verticalcenters 5/16”; horizontal centers 3/8”.Stock # Terminals Price 10+ Price390111 2 $1.99 $1.89390112 3 $2.15 $1.95390113 4 $3.25 $2.95390114 5 $3.45 $3.25390115 6 $3.50 $3.30390117 8 $3.95 $3.75390118 9 $5.45 $4.95390120 10 $5.55 $5.15Socket Wrap I.D.Simplifies wire wrapping needs.Allows for quick identification of pin numbers.Stock # Pins Price 100+ Price250023 8 99¢ 85¢250024 14 99¢ 85¢250025 16 99¢ 85¢250027 20 $1.15 $1.05250028 24 $1.25 $1.15250029 28 $1.25 $1.15250030 40 $1.25 $1.15ABTerminalPost7 Posts391071,$5.95 or$4.95 ea./10+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 41

WATER PARTS ELECTRONICSA B C DMini IC Test Leads18” long leads with IC clips.990106 A Red......................$1.15 or $1.05 ea./6+990107 B Black....................$1.15 or $1.05 ea./6+IC Test Leads Set18” long leads are color-coded with mini hook-onprods at both ends. Set of 5 leads total.990108 C ..........................$5.45 or $4.75 ea./3+IC Clip to Banana Plug Test Leads36” long leads for use with meters. Set of 2 leads; 1Black / 1 Red.990100 D ..........................$3.95 or $3.75 ea./3+IC Clips OnlySolder-type clips are spring loaded.990105 E Red ................65¢ ea./4+ or 60¢ ea./25+990104 F Black ..............65¢ ea./4+ or 60¢ ea./25+Test Leads HolderFor patch cords and cable assemblies.960041 0.210 dia. Orange ....$19.95 or $18.95 ea./3+960042 0.320 dia. Black ......$19.95 or $18.95 ea./3+960043 0.450 dia. Blue........$19.95 or $18.95 ea./3+Alligator Clips and InsulatorsEFMale BNC to2 MiniAlligatorClips TestLeads39” long leads.Set of 2 leads; 1 Black / 1 Red.990070 ............................$3.95 or $3.75 ea./3+Male BNCto 2 ICMini ClipsTest Leads39” long leads.Set of 2 leads; 1 Black / 1 Red.990069 ............................$3.95 or $3.75 ea./3+ABanana to AlligatorTest LeadsStackable banana to alligator clip. Length - 36”.282440.. A ..........................$3.95 or $3.65 ea./3+Minigrabber to MinigrabberTest LeadsIC clip test lead set. Length - 36”.282441.. B ..........................$3.95 or $3.65 ea./3+DTest Leadsand IC ClipsAlligator ClipTest LeadsSet of 10 leads inassorted colorswith small clips.22AWG, 20" Long Leads330009 ..........................$2.45 or $2.25 ea./10+20AWG, 24" Long Leads330114 ..........................$2.95 or $2.75 ea./10+22 AWG, 18" Long Leads (High Quality)330410 ..........................$7.95 or $7.45 ea./10+B C DComponent Test LeadsBanana to alligator for testing capacitors, inductors,and resistors. Length - 12”.282442.. C ..........................$3.95 or $3.65 ea./3+IC Clip to Banana PlugTest Leads36” long leads for use with meters. Set of 2 leads;1 Black / 1 Red.990100.. D ........................$3.95 or $3.75 ea./3+FMicro Alligator ClipsSolder-Type. Minimum order of 10.310009 #34 ................................59¢ ea./10+ or 55¢ ea./100+EGA B CMini Alligator Clips Solder-Type. Minimum order of 10.310008 A #30, Bare ..............................................39¢ ea./10+ or 35¢ ea./100+990013 B Black, Insulated ......................................19¢ ea./10+ or 17¢ ea./100+990012 C Red, Insulated ........................................19¢ ea./10+ or 17¢ ea./100+Pygmy Hippo Clips Solder-Type310018 Red, Insulated ..........................69¢ or 62¢ ea./100+310019 Black, Insulated ........................69¢ or 62¢ ea./100+Crocodile Clips Threaded310003 #85..............79¢ or 75¢ ea./100+Pee Wee Clips Threaded310002 #45..............65¢ or 59¢ ea./100+Alligator Clips Minimum order of 10.310001 D #60, Solder, Bare, Fits Banana Plugs ..........39¢ ea./10+ or 36¢ ea./100+310013 E #60-S, Threaded, Bare, 2” Long ................59¢ ea./10+ or 55¢ ea./100+310010 F #70-S, Threaded, Bare ............................65¢ ea./10+ or 60¢ ea./100+310012 #60HS, Red, Threaded, Insulated ..............85¢ ea./10+ or 79¢ ea./100+310011 G #60HS, Black, Threaded, Insulated ............85¢ ea./10+ or 79¢ ea./100+HFlexible Vinyl Insulators310015 H For #34 (Mini Alligator), Red ........................10¢ ea./10+ or 9¢ ea./100+310014 For #34 (Mini Alligator), Black ......................10¢ ea./10+ or 9¢ ea./100+310007 I For #60/60-S/70-S (Alligator), Red ..............24¢ ea./10+ or 22¢ ea./100+310006 For #60/60-S/70-S (Alligator), Black..............24¢ ea./10+ or 22¢ ea./100+ICopyright © Kelvin L.P.42 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSPARTSABCPhone Jacks Includes nut and washer.Tip Jacks0.08” diameter. Includes nut.AD E FStock # Fig. Dia. Type Price10+Price990024 A 2.5mmSubMini28¢ 26¢990023 — 3.5mmMini,Mono25¢ 22¢400048 B 3.5mmMini,Stereo65¢ 55¢400019 C 1/4” Open 40¢ 35¢400018 D 1/4” Closed 47¢ 39¢400010 E 1/4”Open,Stereo45¢ 40¢990057 F 1/4”Closed,Stereo$1.75 $1.60Stock # Color Type Price 10+ Price400034 Red Phenolic 99¢ 89¢400033 Black Phenolic 99¢ 89¢400003 Red Bakelite 99¢ 89¢400004 Black Bakelite 99¢ 89¢400014 Yellow Bakelite 99¢ 89¢RCA Jacks1/4" mounting hole.Includes nut.Stock # Type Shape Price 10+ Price400005 Phone Oval 65¢ 59¢400042 Phone Rectangle 25¢ 23¢400008 Phono — 29¢ 26¢BDC Power Supply Plugs and JacksStock #Fig.Size(mm)TypeCPriceD10+Price370051 A 2.1x5.5 Plug 35¢ 25¢370052 B 2.1x5.5JackChassis95¢ 85¢370048 C 2.1 Jack 35¢ 29¢370058 D 2.1R. AngleJack40¢ 34¢StackableBanana PlugsStock # Color Dia. Price 10+ Price990131 Black 4mm 99¢ 89¢990132 Red 4mm $2.49 $2.39990135 White 4mm 99¢ 89¢Stackable Banana Plugs/Leads 4mmStock # Color Qty. Leads Price10+Price990127 Black 10 10” $2.65 $2.45990128 Red 10 10” $2.65 $2.45990129 Black 20” $2.95 $2.75990130 Red 20” $2.95 $2.75StackableBanana Plugs SetSet of [10] 2mm bananaplugs with leads. Yellowand white pairs.990136 10/pkg. ............$29.95 or $26.95 ea./10+Solderless Banana PlugsIncludes mounting screw. Measures 1-5/8” L.400016 Red .................... $4.25 or $3.95 ea./10+400017 Black .................. $4.25 or $3.95 ea./10+Banana JacksRequires 5/16” mounting hole.Includes nut. *10/pkg.Stock # Color Type Price 10+ Price400030* Red Plastic $1.49 $1.35400029* Black Plastic $1.49 $1.35400001 Red400002 BlackDual Banana JacksStock #AFig.600056 A990103 B600058 CPlugEndDualBananaFemaleBNCMaleBNCInsulated,SolderInsulated,SolderBJackEndDualBananaDualBananaDualBanana85¢ 75¢85¢ 75¢PriceC10+Price$1.95 $1.65$3.95 $3.75$4.75 $4.45AStock#Stock #BPhone PlugsSolder-Type. Note: #990053 has a large barrel.Fig. Diameter Type PriceStock # Color LA B CPin Tip Plugs Solder-Type.Stock # Fig. Type Length PriceEconomyBinding Posts0.28” max panel thickness.5-WayBindingPostsInsulated and assembled.ColorPostsSizeMountingHoleMountingHolePricePriceC10+Price400009 A Bare — $1.69 $1.59400043 B RCA 13/16” 69¢ 59¢400020 — RCA 1-1/16” 69¢ 59¢400006 — Insulated,BlackInsulated,400007 CRed1-29/32”1-29/32”10+Price990045 A 2.5mm Insulated,Black24¢ 20¢990043 B 3.5mm Black 26¢ 22¢400041 — 3.5mmStereo,Black99¢ 89¢400035 — 1/4” Black 99¢ 89¢400011 C 1/4”Stereo,Black52¢ 44¢990053 — 1/4”Insulated,Black40¢ 34¢990014 — 1/4”Insulated,Red50¢ 40¢$3.59 $3.39$3.59 $3.3910+Price990161 Red 1.7” 0.3” 57¢ 43¢990162 Black 1.7 0.3” 57¢ 43¢10+Price400021 Red .25 Round $2.25 $1.95400022 Black .25 Round $2.25 $1.95400012 Red .5 Hex $2.95 $2.75400013 Black .5 Hex $2.95 $2.75Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 43

PARTS ELECTRONICS18 AWG Hook-Up WireStock # Type Insulation Color Length (ft.) Price330007 Test Lead, 10kv PVC Red 100 $11 .95330008 Test Lead, 10kv PVC Black 100 $11.95330166 Test Lead, 10kv PVC Red 1000 $109.95330167 Test Lead, 10kv PVC Black 1000 $109.95330369 Test Lead, 10kv Rubber Red 50 $12.95330370 Test Lead, 10kv Rubber Black 50 $12.95330365 Solid Bell PVC Red 100 $7.75330366 Solid Bell PVC Black 100 $7.75330367 Solid Bell PVC Brown 100 $7.75330368 Solid Bell PVC Yellow 100 $7.75330118 Solid Bell PVC Red 1000 $79.95330116 Solid Bell PVC Black 1000 $79.95330117 Solid Bell PVC Brown 1000 $79.95330364 Solid Bell PVC Yellow 1000 $79.9522 AWG Project WireStock # Type Color Length (ft.) Price 3+ Price330032 Stranded Red 1000 $39.95 $37.95330026 Stranded Black 1000 $39.95 $37.95330027 Stranded Blue 1000 $39.95 $37.95330028 Stranded Brown 1000 $39.95 $37.95330029 Stranded Green 1000 $39.95 $37.95330030 Stranded Gray 1000 $39.95 $37.95330033 Stranded Violet 1000 $39.95 $37.95330034 Stranded White 1000 $39.95 $37.95330035 Stranded Yellow 1000 $39.95 $37.95330031 Stranded Orange 1000 $39.95 $37.95330193 Solid Red 100 $7.95 $6.95330017 Solid Red 1000 $49.95 $47.95330208 Solid Black 100 $7.95 $6.95330011 Solid Black 1000 $31.95 $29.95330192 Solid Blue 100 $7.95 $6.95330012 Solid Blue 1000 $49.95 $47.95330209 Solid Brown 100 $7.95 $6.95330013 Solid Brown 1000 $49.95 $47.95330210 Solid Green 100 $7.95 $6.95330014 Solid Green 1000 $49.95 $47.95330211 Solid Gray 100 $7.95 $6.95330015 Solid Gray 1000 $49.95 $47.95330213 Solid Violet 100 $7.95 $6.95330018 Solid Violet 1000 $49.95 $47.95330214 Solid White 100 $7.95 $6.95330019 Solid White 1000 $49.95 $47.95330194 Solid Yellow 100 $7.95 $6.95330020 Solid Yellow 1000 $49.95 $47.95330212 Solid Orange 100 $7.95 $6.95330016 Solid Orange 1000 $49.95 $47.9524 AWG Speaker WireStock # Color Length (ft.) Price 5+ Price330154 Clear 25 $3.95 $3.65330155 Clear 50 $6.95 $6.45CopperWireCopper prices are flucuating & subject to change at time of order. Wewill notify you if there is more than a 10% increase in price.Stock # AWG Wire Type Color Length (ft.) Price 3+ Price330343 18 Solid Bare 50 $13.95 $12.95330050 20 Stranded White 1000 $89.95 $84.95330044 20 Stranded Brown 1000 $89.95 $84.95Copper Enamel Magnet WireStock # AWG Length (ft.) Weight (lbs.) Price 3+ Price330128 22 514 1 $14.95 $13.95330130 24 817 1 $15.95 $14.95330132 26 1300 1 $15.95 $14.95330134 28 2067 1 $16.95 $15.95330136 30 3287 1 $16.95 $15.95330036 18 2030 10 $125 $120330037 20 3230 10 $128 $123330038 22 5140 10 $128 $123330039 24 8170 10 $130 $125330040 26 13000 10 $135 $125330041 28 20670 10 $140 $135THHN Building WireStock # AWG Type Color Length (ft.) Price 3+ Price330101 12 Solid White 500 $99.95 $94.95330247 14 Solid Black 500 $95 $93330259 14 Solid Green 500 $95 $93330260 14 Solid Red 500 $95 $93330261 14 Solid White 500 $95 $93330250 14 Stranded Black 500 $125 $115330268 14 Stranded Green 500 $125 $115330269 14 Stranded Red 500 $125 $115330270 14 Stranded White 500 $125 $115330251 12 Stranded Black 500 $125 $115330271 12 Stranded Green 500 $125 $115330272 12 Stranded Red 500 $125 $115330273 12 Stranded White 500 $125 $115Project Wire 22 AWG. Stripped at both ends.Stock # Wire Type Color Length (in.) Qty. Price 3+ Price330425 Solid Red 10 50 $7.95 $6.95330426 Solid Black 10 50 $7.95 $6.95330427 Stranded Red 10 50 $7.95 $6.95330428 Stranded Black 10 50 $7.95 $6.95Phone Wire Wire with 4 conductors for 2 lines.Stock # Length (ft.) Price 5+ Price860025 50 $3.95 $3.65Copyright © Kelvin L.P.44 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

E L E C T R O N I C SPARTSWiring Odds & EndsVinyl Grommets100/pkg. All dimensions in inches.Stock # O.D. I. D. Price 6+ Price390091 1/4” 1/8 $7.95 $7.45390092 5/16” 3/16 $8.95 $8.45390093 3/8 1/4 $15.95 $14.95390094 7/16 5/16 $18.95 $17.95390095 1/2 3/8 $18.95 $17.95390096 5/8 1/2 $21.95 $20.95390097 7/8 5/8 $21.95 $20.95Quick Connect TabsUse insulated tabs for working with14-gauge and 18-gauge wire.Stock # Type Size Qty. Price 3+ Price390190 Male 31/32 50 $15.95 $14.95390191 Female 59/64 100 $29.95 $27.95Plastic Cable Clamps100/pkg. All dimensions in inches.Stock # Type Price 6+ Price390083 1/8 $5.95 $5.75390085 3/16 $5.95 $5.75390086 1/4 $6.95 $6.75390087 5/16 $7.95 $7.45390088 3/8 $7.95 $7.45390089 7/16 $8.95 $8.75390090 1/2 $16.95 $15.95390078 5/8 $16.95 $15.95390079 3/4 $19.95 $18.95390080 7/8 $19.95 $18.95390081 1 $20.95 $19.95390082 1-3/16 $61.95 $59.95Locking TiesStock # Dia. Qty. Price 10+ Price390169 4” 100 $3.95 $3.55390170 6” 100 $4.95 $4.55390299 8” 100 $5.95 $5.55Cable/Wire HoldersInsulated, self-adhesive.Stock # Dia. Qty. Price 3+ Price390227 — 10 $4.45 $3.95Aluminum Screw SpacersAll dimensions in inches.Stock # Type Size Price 10+ Price390144 #6 1/2 19¢ 17¢390128 #6 1 23¢ 21¢Plastic Screw Spacers100/pkg. All dimensions in inches.Stock # Type Size Price 6+ Price390146 #4 1/4 $13.95 $12.95390147 #4 3/8 $17.95 $16.95390148 #4 1/2 $17.95 $16.95390150 #4 1 $29.95 $26.95390151 #6 1/4 $13.95 $12.95390152 #6 3/8 $17.95 $16.95390153 #6 1/2 $18.95 $17.95390154 #6 5/8 $18.95 $17.95390155 #6 3/4 $18.95 $17.95390156 #6 1 $19.95 $18.95390157 #8 1/4 $18.95 $17.95390158 #8 3/8 $18.95 $17.95390159 #8 1/2 $18.95 $17.95390160 #8 5/8 $18.95 $17.95390161 #8 3/4 $19.95 $18.95390162 #8 1 $19.95 $18.95390163 #10 1/4 $19.95 $18.95390165 #10 1 $35.95 $34.95Spacer SupportsFor PC boards and breadboards.Requires 3/16” dia. mounting hole.All dimensions in inches.Stock # Dia. Length Price 100+ Price390366 5/32 1/4 29¢ 25¢390367 5/32 1/2 29¢ 25¢390368 5/32 3/4 29¢ 25¢390369 5/32 1 35¢ 30¢Electrical TapeVery useful for electronicsand a variety of other projects.Measures 3/4” W x 60’ Long.Stock # Color Price 10+ Price340005 Black 90¢ 85¢340006 Red 99¢ 85¢340157 White $1.25 $1.15340158 Green $1.25 $1.15340139 4 Colors $4.95 $4.50Wire NutsABCStock # Fig. Size Color Qty. Price340024 A Small Black 100 $14.95340085 A Small Orange 100 $11.95340025 B Medium Black 100 $11.95340086 B Medium Yellow 100 $12.95340026 C Large Black 100 $14.95340087 D Large Red 100 $16.95340088 E Jumbo Gray 50 $17.95Top QualityHeat GunFeatures dual temperatureand 6 ft. long cord.820054 ....$69.95 or $64.95 ea./3+Heat Shrink TubingShrinks to 50% of inside dia.Stock # Dia. Length Price 10+ Price330078 1/8” 10 ft. $2.50 $2.25330079 3/16” 10 ft. $2.95 $2.75330080 1/4” 10 ft. $5.45 $4.95330081 5/16” 10 ft. $6.95 $6.45330371 1/2” 10 ft. $6.95 $6.45330409 3/4” 4 ft. $6.95 $6.45Galvanized Locknuts 1/2”340147 100/pkg...............$7.25 or $6.85 ea/100+Conduit Strap, Heavy-Duty 1/2”340145 100/pkg...............$9.95 or $9.45 ea/100+Set Screw Connectors 1/2” dia., 50/pkg.340143 Connector............$9.95 or $9.45 ea/100+340144 Coupling ..........$10.95 or $9.95 ea/100+Oval Romex Cable Clamp 3/8”340012 With Screws................28¢ or 25¢ ea/100+Romex Cable ★Non-metallic, sheathed cable.Stock # AWG Length Price 2+ Price330110 14/2 250 ft. $109 $99330112 14/3 250 ft. $119 $109330111 12/2 250 ft. $125 $115330113 12/3 250 ft. $198 $185Romex Cable Staples940001 100/pkg. ..............$2.25 or $2.15 ea./10+DECopyright © Kelvin L.P.★ Copper prices are flucuating and subject to change at time of order. We will notify you if there is more than a 10% increase in price.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 45

PARTS ELECTRONICSProject CasesThese clear plastic cases are ideal for yourelectronic projects and storage! Plasticcover snaps off for yourworking convenience.ABStock # Size (L”xW”xH”) Price 20+ Price430014 2-1/8x1-5/8x1 35¢ 25¢430015 2-7/8x1-3/16x1 38¢ 29¢430016 2-7/8x2 x1 40¢ 30¢430017 3-1/2x2-9/16x1 55¢ 45¢430018 4-3/8x2-1/16x1-1/6 59¢ 48¢430019 4-5/8x3-1/2x1-1/4 95¢ 75¢430064 4-5/8x3-1/2x1-3/4 $1.15 99¢Instrument CasesBakelite black gloss instrumentcases with 1/8” wall thickness.Outside dimensions listed. Plasticmatching cover panels forInstrument The cases arepre-drilled. Screws are soldseparately below.Stock # Size (L”xW”xH”) Price 20+ Price430007 4 x 2-7/8 x 1-5/6 $2.45 $2.25430008 Cover for #430007 99¢ 85¢430001 5-7/8 x 3-1/8 x 2-1/4 $9.95 $8.95430003 Cover for #430001 $1.75 $1.60430040 6-1/4 x 3-3/4 x 2 $9.95 $8.95430006 Cover for #430040 $3.95 $3.75430002 6-13/16 x 5-1/4 x 2-5/16 $6.95 $6.45430004 Cover for #430002 $4.95 $4.45430039 8-3/8 x 7-7/16 x 3-1/16 $19.80 $17.95430005 Cover for #430039 $9.95 $8.95Screws390005 4:40 Screws, 1/4” dia., Slotted, 100/box ............................................$2.95390011 6:32 Screws, 1/4” dia., Slotted, 100/box ............................................$3.45Adhesive FeetSelf-sticking feet are ideal for your project cases.Made of polyurethane polymer. For your project cases.Stock # Size (L”xW”xT”) Color Qty. Price 5+ Price390172 1/2x1/2x15/64T Gray 100 $12.85 $10.95390174 3/4x3/4x5/16T Gray 100 $19.95 $16.95390145 5/8 dia.x11/32T Gray 100 $19.95 $16.95390175 1/2x1/2x15/64T Black 100 $19.95 $16.95390176 3/4x3/4x5/16T Black 100 $19.95 $16.95390173 5/8 dia.x11/32T Black 100 $19.95 $16.95ABS Boxes with Aluminum and Plastic TopsStock # Fig. Size (L”xW”xH”) Price 6+ Price430182 A 3x2x1 $3.95 $3.45430186 B 6x2x1 $5.95 $5.45430184 C 6x3x2 $7.95 $7.45430187 D 7x5x3 $11.95 $10.95Metal CasesSturdy two-piece construction. Top is made of 0.040”thick steel with a black finish. Front and bottom is madeof #20 gauge aluminum. Louvered on both sides forventilation. Cover and feet held on with screws.Stock # Size (L”xW”xH”) Price 3+ Price990058 3-1/4 x 2-3/16 $11.95 $10.95990059 4 x 2-3/8 x 5-7/8 $17.95 $15.95990060 5-1/4 x 3 x 5-7/8 $18.95 $16.95‘U’ Chassis, Blank AluminumA blank of aluminum is bent into the shape of a “U” foruse as a chassis in a wide variety of electronics projects.Stock # Gauge Size (L”xW”xH”) Price 6+ Price230001 16 5 x 5 x 2 $2.45 $2.25230006 14 11 x 7 x 2 $5.95 $5.45Polystyrene Plastic EnclosuresElectronic instrument enclosures, suited for mounting printedcircuit boards. Integral card guides accept 1.5 mm (0.062”)P.C. cards. Wall thickness is 0.150”. Lid secured with selftapping#4 x 0.5” Phillips screws.Stock # Size (L”xW”xH”) Price 10+ Price430201 3.90 x 2.00 x 0.80 $5.95 $4.95430202 4.40 x 2.40 x 1.10 $6.95 $5.95430203 4.70 x 2.60 x 1.40 $6.95 $5.95430204 5.90 x 3.20 x 1.80 $9.95 $8.95430205 7.50 x 4.30 x 2.20 $10.95 $9.95CDCopyright © Kelvin L.P.46 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSPARTSRadio Cabinet EnclosureDoes not include knobs or backplate. Cabinetmeasures 9.78" x 5.24" x 3.78".840072 ............................ $1.95 or $1.45 ea./30+Project Case FansKeep electronic circuitry cool with these fans thatfit into project cases.120246 3" Fan, 12V DC....$12.95 or $11.95 ea./10+120254 4" Fan, 115V AC ..$18.95 or $16.95 ea./10+120253 3"x3" Finger Guard ..$1.95 or $1.65 ea./10+120252 4"x4" Finger Guard ..$2.45 or $2.25 ea./10+KnobsTest Equipment CaseHas a cutout for a LCD or LED display. Includesinternal mounting bosses for display and PC boards.Contains a battery compartment for 4-AA batteries.measures 7-5/8” x 3-15/16” x 1-3/8”.430141 ..........................$34.95 or $29.95 ea./6+IR TransmitterEnclosureOpen ended enclosureideal to house aninfrared transmitteror remote control.Includes a batterycompartmentfor a 9V battery(not included).4.6" x 2-3/4" x 1".Red lens endpanel available below.430167 Enclosure ..................$7.95 or $7.25 ea./6+430177 Red Filter Lens End Panel ....................$3.50Project Case with PC BoardMolded enclosure with aluminum cover and generalpurpose printed circuit board with standard DIP holespacing. Complete with assembly hardware andprotective feet. 3-3/16" x 2-1/8" x 1-3/8".430183 ..............................$7.95 or $7.25 ea./6+Logic Probe CaseIncludes hardware. 5-3/4" L x 3/4" W x 1-1/8" H.430068 ............................$3.75 or $3.45 ea./10+Plug CordMeasures 4.71" long.330314, $2.45or $2.25 ea./10+A BCD E F GHStock#Fig. Type DescriptionSize(Dia.”xH”)Shaft Dia.(Inches)Color Price 25+ Price990020 A Pointer Set Screw 1-1/4 1/4 Black $1.35 $1.25300002 B Instrument Set Screw 11/16 x 1/2 1/8 Black 99¢ 85¢990039 C Instrument Set Screw, Skirted 15/16 1/4 Black 85¢ 75¢300006 D Instrument Split Knurl 3/4 1/4 Black 85¢ 75¢300007 E Instrument Split Knurl 1 1/4 Black 85¢ 75¢990075 F Instrument — 1/2 1/4 Red $1.75 $1.55990078 G Instrument — 1/2 1/4 Blue $1.25 95¢990080 F Instrument — 3/4 1/4 Red $1.65 $1.45990082 G Instrument — 3/4 1/4 Blue $1.65 $1.45300013 H Crank — — — Black $29.95 $26.95 /10+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 47

PARTS ELECTRONICSABTrimming PotentiometersCA Horizontal Trimming PotentiometersStock # Ohms Price 10+ Price110118 500 $1.65 $1.45110119 1k $1.65 $1.45110120 5k $1.65 $1.45110121 10k $1.65 $1.45110123 1M $1.65 $1.45B Horiz. Trimming Potentiometers PCB MountStock # Ohms Price 10+ Price110082 1k $1.95 $1.75110083 5k $1.95 $1.75110100 5k $1.95 $1.75110117 10k $1.95 $1.75110072 50k $1.95 $1.75110073 100k $1.95 $1.75110106 2.2M $1.95 $1.75C Horizontal Trimming PotentiometersTop Adjusting, PCB MountStock # Ohms Price 10+ Price110099 1k $2.25 $1.95110107 47k $2.25 $1.95110110 1M $2.25 $1.95D Vertical Mini Trimming PotentiometersStock # Ohms Price 10+ Price110034 500 99¢ 85¢110035 1k 99¢ 85¢110036 2k 99¢ 85¢110037 5k 99¢ 85¢110038 10k 99¢ 85¢110039 20k 99¢ 85¢110040 50k 99¢ 85¢110041 100k 99¢ 85¢110042 200k 99¢ 85¢110043 500k 99¢ 85¢110044 1M 99¢ 85¢110045 2M 99¢ 85¢E CTS Trim. Potentiometers PCB Mount, Horiz.Stock # Ohms Price 10+ Price110109 10k $1.25 95¢110111 100k $1.45 $1.25110122 100k $1.65 $1.45110102 500 $1.95 $1.75110103 2.5k $1.95 $1.75110084 10k $1.95 $1.75110112 25k $1.95 $1.75DEA B CABCLinear Taper PotentiometersStock # Ohms Price 10+ Price110051 500 $1.15 $1.05110052 1k $1.15 $1.05110053 2.5k $1.15 $1.05110054 5k $1.15 $1.05110055 10k $1.15 $1.05110056 25k $1.15 $1.05110057 50k $1.15 $1.05110058 100k $1.15 $1.05110059 250k $1.15 $1.05110060 500k $1.15 $1.05110061 1M $1.15 $1.05110062 2M $1.15 $1.05110063 5M $1.15 $1.05Linear Control PotentiometersStock # Ohms Type Price110049 1M PCB Mount $1.50Linear Potentiometers 2 WattStock # Ohms Price 10+ Price110090 1k $13.95 $12.95110091 5k $13.95 $12.95110092 10k $13.95 $12.95110093 100k $13.95 $12.95Slide Potentiometers 3-1/2” LongStock # Ohms Price 10+ Price110076 10k $3.95 $3.75110077 100k $3.95 $3.7515-Turn TrimmingPotentiometersPCB MountStock # Ohms Price 10+ Price110078 1k $1.35 99¢110079 5k $1.35 99¢110080 10k $1.35 99¢110081 100k $1.35 99¢Audio TaperPotentiometersStock # Ohms Price 10+ Price110064 1k $1.15 $1.05110065 5k $1.15 $1.05110066 10k $1.15 $1.05110067 50k $1.15 $1.05110068 100k $1.15 $1.05110069 500k $1.15 $1.05110029 500k w/Switch $1.50 $1.35110070 1M $1.15 $1.05VerticalPotentiometersPCB MountStock # Ohms Price 10+ Price110132 1k $1.95 $1.76110136 2k $1.95 $1.76110130 10k $1.95 $1.76110137 50k $1.95 $1.76110133 100k $1.95 $1.76110135 500k $1.95 $1.76110134 1M $1.95 $1.76High QualityPotentiometers2 Watt, 10-Turn.Stock # Ohms Price 10+ Price110085 1k $19.95 $18.95110086 5k $19.95 $18.95110087 10k $19.95 $18.95110088 100k $19.95 $18.95AM SuperHETVariable Capacitor550–17KHz. (15pfd/150pfd)and (15 pfd/70pfd). Includesdal and screw.990086 10/pkg. ................$24.95 or $22.95 ea./3+VariableCapacitor Trimmer15pfd-90pfd. Use for FMmicrophone and transmitter.130084 ....$2.95 or $2.75 ea./10+Copyright © Kelvin L.P.48 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

Input SwitchesKeypadsA B CKeypad with 12 Key Switches (0-9, *, #)270047 A ..........................$4.95 or $3.95 ea./6+Keypad with 12 Key Switches (0-9, *, #)270093 B ......................$15.95 or $14.95 ea./6+Keypad with 16 Key Switches (0-9, A-F)270094 C ......................$19.95 or $18.95 ea./6+Key SwitchesDKey Switch, Normally Open270081 D ..................................45¢ or 36¢ ea./6+Key Switch, SPST, Normally Open270079 ..............................$5.95 or $5.75 ea./6+6 Key Switches in a Row270078 ..........................$17.95 or $16.95 ea./6+Key SwitchNumbersand Words270080, $12.45or $11.75 ea./6+ThumbwheelBCD SwitchBinary Coded Decimal (BCD)switch. The switches snaptogether. 10-position switch.270068 SP ..................................................$5.95DIP SwitchesSuitable for flow soldering on PC boards or mountingwith standard DIP sockets. Actuators 0.035” aboveswitch housing. SPST. Standard, 0.100x0.300” DIPcenters.Stock # Pos. Price 10+ Price270026 4 80¢ 69¢270027 6 99¢ 86¢270029 8 $1.45 $1.35270030 10 $1.75 $1.60270031 12 $1.75 $1.60Make Your OwnHome Security AlarmKey Lock SwitchUse for creating your ownburglar alarm system. Twopositions; on/off. Requires 3/4”diameter mounting hole. 102V AC.2.1A; 46V DC, 2.5A.640028 ..........................$13.95 or $13.25 ea./6+Plunger Contact SwitchProtect doors and windows! Installbetween the door and door framefor closed circuit systems. Withplastic housing and plunger.640032 ......$6.95 or $6.45 ea./10+Magnetic Contact SwitchUse with closed or open systems. Themagnet can operate the switchwith a gap as wide as 1/2”.Contact points are gold-plated.UL listed. SPDT. 1 Pair.640022 ............................$7.95 or $7.45 ea./10+BuzzersABA Wire Lead Project BuzzerEconomical! Great for all of your projects.680089 80dB, 3-12V DC ......95¢ or 85¢ ea./10+B PC Board Mount BuzzerBuzzer with leads to mount directly to abreadboard or PC board. 80dB, 6-9V DC.680104 ....................$1.95 or $1.75 ea./10+C Piezo Buzzer3-16V DC. *NOTE: 7 mA, 0.6” dia., 0.3” high.680135 80dB* ............$2.95 or $2.75 ea./10+680103 70dB ..............$4.95 or $4.75 ea./10+D Alarm Horn640001 5-10V DC ........$2.35 or $1.95 ea./10+EFDouble-Coil Buzzer340043 E Buzzer, 6-10V AC, 3-6V DC........$8.95340040 F Bell, 6-10V AC, 3-6V DC ..........$9.95Bell Transformer 115V AC, 10-5V A320032 G ..............$14.95 or $13.95 ea./3+Bell Pushbutton Switch 1-3/4” dia.340044 H ................$2.85 or $2.65 ea./10+GCHDBuild YourOwn ® DoorbellCoilsELECTRONICSLighted Rocker SwitchSPST, 250V AC, 10A. Requires1-1/8”x1/2” panel cutout.340130 ..........................$1.85or $1.80 ea./10+ or $1.75 ea./25+Momentary RightAngle SwitchSPST, 12mm square.270104 ............$1.75 or$1.58 ea./10+Rotary SwitchesWith 30° indexing, singlephenolic wafer sections andsilver-plated contacts.Stock #Rating(mH)Amps(A)NotesPARTSStock # Poles Pos. Price 10+ Price990031 2 6 $1.95 $1.75990034 4 2 $1.95 $1.75990037 6 2 $1.95 $1.75990029 1 12 $1.95 $1.75990030 2 5 $1.95 $1.75990033 3 4 $1.95 $1.75990035 4 3 $1.95 $1.75Price10+Price290015 1 — PC $1.95 $1.75290016 10 — PC $1.95 $1.75290011 27 — — $2.45 $2.25290020 150 3 — $1.98 $1.78290014 100 10 — $4.95 $3.95PowerTransformersDC, CTStock #Amps(A)Volts(V)Price10+Price320028 0.3 12.6 $14.95 $13.95320010 1 6.3 $11.95 $10.95320004 1 12.6 $12.95 $11.95320005 1 24 $12.95 $11.95320009 2 12.6 $19.95 $18.95320047 4 12 $22.95 $20.95Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 49

PARTS ELECTRONICSABCDEFGHIJKLM N OToggle SwitchesStock # Fig. Description HardwareContactFormContact Rating Dimensions (L”xW”xH”) Price990097 A PCB Mount No SPDT 125V AC, 0.3A 5/16x3/8x3/16 $1.95 $1.80 $1.75270063 B PCB Mount No DPDT 125V AC, 0.3A 3/8x3/8x5/16 $7.95 $7.45 $6.95270034 C – Yes SPST 125V AC, 6A 1/2x3/8x1/4 90¢ 79¢ 65¢270035 D – Yes SPDT 125V AC, 6A 1/2x1/2x3/8 99¢ 84¢ 69¢270036 E Center Off Yes SPDT 125V AC, 6A 1/2x3/8x5/16 $1.25 99¢ 89¢270037 F – Yes DPDT 125V AC, 6A 1/2x1/2x3/8 89¢ 79¢ 70¢270038 F Center Off Yes DPDT 125V AC, 6A 1/2x1/2x3/8 99¢ 89¢ 79¢270007 G – Yes SPST 125V AC, 4A 1x1/2x1/2 $1.05 85¢ 75¢270001 H – Yes SPST 125V AC, 8A 7/8x1/2x5/16 $2.65 $2.45 $2.25270010 I – Yes SPDT 125V AC, 6A 1/2x3/8x5/16 $1.20 $1.10 99¢270005 J – Yes SPDT 125V AC, 15A 1-3/8x3/4x1/2 $1.20 $1.10 99¢270011 K – Yes DPST 125V AC, 6A 1-1/4x3/4x3/4 $1.15 95¢ 85¢270008 L – Yes DPDT 125V AC, 5A 1-1/16x9/16x3/4 $1.20 99¢ 89¢270013 M Center Off Yes DPDT 125V AC, 15A 1-1/4x3/4x7/8 $1.75 $1.45 $1.25270059 N Bat Handle Yes SPST 125V AC, 20A 1x1/2x1/2 $3.95 $3.75 $3.50270060 O Bat Handle Yes DPDT 125V AC, 6A 1-3/8x7/8x3/4 $5.95 $5.75 $5.5010+Price100+PriceAB D E F GCHI J KSlide SwitchesStock # Fig. DescriptionContactFormContact Rating Dimensions (L”xW”xH”) Price 10+ Price 25+ Price270099 A Horiz. PCB Mount SPDT 50V DC, 0.5A 0.43"x0.20"x0.20" 65¢ 55¢ 49¢270111 A Horizontal Mount SPST 125V AC, 0.5A 1/2x1/4x1/4 $2.45 $2.25 $2.15270064 B PCB Mount SPDT 30V AC, 0.2A 7/16x3/16x1/8 95¢ 85¢ 75¢270049 C PCB Mount SPDT 50V DC, 0.5A 7/16x3/16x3/16 50¢ 45¢ 40¢270089 D PCB Mount SPDT 125V DC, 0.5A 1/2x1/4x1/2 $1.95 $1.80 $1.75270092 E Side Mount DPDT 50V, 0.5A 5/8x1/4x1/4 69¢ 59¢ 50¢270098 F Vertical Mount SPDT 125V, 5A 1/2x1/4x1/4 $2.25 $1.95 $1.85270054 G Side Mount DPTT 125V, 0.5A 13/16x5/16x3/8 $1.15 $1.05 99¢270042 H Solder-Type SPST 125V, 0.5A 5/8x1/4x3/8 50¢ 45¢ 40¢270004 I Solder-Type SPST 125V, 0.5A DC/3A AC 7/8x5/16x1/2 50¢ 45¢ 40¢270002 J Solder-Type SPDT 125V, 0.5A DC/3A AC 7/8x5/16x1/2 50¢ 45¢ 40¢270009 K Solder-Type DPDT 125V, 0.5A DC/3A AC 7/8x5/16x1/2 70¢ 65¢ 60¢Copyright © Kelvin L.P.50 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSPARTSABCDEFKnife SwitchesStock # Fig. Terminal Type Contact Price 10+ Price 25+ Price990193 A Screw SPST 95¢ 80¢ 75¢990148 B Screw SPST $1.85 $1.70 $1.65990194 C Screw SPDT $1.15 $1.05 95¢990195 D Screw DPDT $2.35 $1.95 $1.75990191 – Binding Post SPDT $1.95 $1.80 $1.75990192 E Binding Post DPST $2.75 $2.60 $2.50990085 F Binding Post DPDT $2.95 $2.85 $2.75A B C D E FGHPushbutton SwitchesStock # Fig. Color Description Type M.H. (dia.”) Contact Rating Price 100+ Price990074 A Black Solder, Nut N.C. 1/4 110V, 3A 35¢ 28¢990002 B Red Solder, Nut N.O. 1/4 110V, 3A 35¢ 28¢270058 C Red Solder, Nut On-Off 1/2 230V, 3A $1.35 $1.25270022 D Red w/ Leads, Nut N.O. 3/8 14V DC, 2A 99¢ 89¢270021 E White w/ Leads, Nut On-Off 3/8 14V DC, 2A 99¢ 89¢270023 F Black w/ Leads, Nut N.C. 3/8 14V DC, 2A 99¢ 89¢270109 G Black Solder, Nut N.O. 1/2 125V AC, 3A $3.95 $3.75270110 H Red Solder, Nut N.O. 3/8 125V AC, 3A $3.95 $3.75ABC D EDollHouseSwitchesStock # Fig. Switch Type Contact Terminals Type Qty. Price 20+ Price270077 A Lever SPST Fahnstock On-Off 1 $1.25 $1.15270066 B Toggle SPST Screw On-Off 1 $1.95 $1.85270095 C Toggle SPST Screw (not incl.) On-Off 10 $8.95 $7.95270096 D Pushbutton SPST Screw On-Off 10 $8.95 $7.95270097 E Pushbutton SPST Screw (not incl.) N.O. 10 $8.95 $7.95Mini SnapAction Lever SwitchSPDT. 125/250V AC, 10A.1-1/16” L x 1/4 “ W x 5/8”H.270061.........$3.25 or $2.95 ea./10+ or $2.75 ea,/25+Mini Roller SnapAction Lever SwitchSPDT. 250V AC, 5A. 6A.1-1/8” L x 1/4 “ W x 5/8”H.270085.........$1.65 or $1.55 ea./10+ or $1.45 ea,/25+Submini Snap ActionLever SwitchSPDT. 125/250V AC. 6A.1/2” L x 1/4 “ W x 3/8”H.270084.......$1.45 or $1.25 ea./10+ or $1.00 ea,/25+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 51

PARTS ELECTRONICSHBStock#ARelaysFig.ContactTypeGeneral Purpose AccelerometersUse for vibration, automobile testing, seismicvibration, tilt, sway and orientation measurement.Low DC voltage.260164 3-Axis, 4g Accelerometer ......................$295260165 Serial Interface Card ............................$295Miniature Solenoid12V solenoid with a throw ofapprox. 6mm.410035 ....................$39.95ContactRatingAC Surge ProtectorsFor all your projects.AC Varistor.380060 Standard ................$1.95 or $1.85 ea./10+380061 Heavy-Duty..............$3.75 or $3.45 ea./10+CoilRatingCoil Res.(Ohms)Size(L”xH”)Infrared Sensor PacksIdeal for robotics, positioning, control, targeting,measurement, navigation, and automation; a lowcostalternative to an ultrasonic range finder.Connects directly to microcontroller. Built-in receiverand transmitter. 8-bit serial range; measuring range4" to 31" (10 to 80 cm). Uses only two I/O lines.Comes with 12" cable.260167 A.I.R.R.S. Analog ....$29.95 or $27.95 ea./3+260166 D.I.R.R.S. Digital ....$49.95 or $44.95 ea./3+Infrared Sensors260093 Detector ......................85¢ or 75¢ ea./20+260094 Transmitter....................85¢ or 75¢ ea./20+260111 Transmitter, Rectangular ..90¢ or 80¢ ea./20+LED Transmitter & IR Detector Set260061 ............................$1.95 or $1.75 ea./10+Copyright © Kelvin L.P.52 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USAPrice10+Price410030 A SPST 200VDC, 1/2A 5VDC, 10mA 500 0.95x0.335 $1.99 $1.79410008 B SPST 125VAC,1A 5VDC, 20mA 250 1x3/8 $4.25 $3.95410009 B SPST 125VAC, 0.5A 12VDC, 11mA 1050 1x3/8 $4.45 $4.25410006 C SPDT 120VAC, 5A 5VDC, 125mA 40 1x3/4 $2.45 $2.20410010 D SPDT 125VAC, 0.4A/30VDC,2A 5VDC, 77mA 65 5/8x1/4 $6.95 $6.45410024 E SPDT 120VAC/24VDC, 10A 6VDC, 60mA 100 3/4x5/8 $2.29 $2.06410013 F SPDT 120VAC/24VDC, 12A 9VDC, 18mA 500 3/4x3/4 $6.95 $6.45410007 G SPDT 125VAC, 1A 12VDC, 38mA 320 3/8x3/8 $4.95 $4.45410012 H SPDT 120VAC/28VDC, 10A 12VDC, 30mA 400 7/8x5/8 $6.95 $6.45410027 I SPDT 250VAC/30VDC, 7A 12VDC, 30mA 400 3/4x5/8 $3.95 $3.55410025 J DPDT 110VAC/24VDC, 5A 6VDC, 86mA 700 7/8x11/16 $2.56 $2.30410014 K DPDT 250VAC/28VDC, 5A 12VDC, 60mA 200 1-1/8x3/4 $9.50 $9.45410016 L DPDT 110VAC/24VDC, 10A 12VDC, 75mA 160 1x1-3/8 $12.95 $11.65410015★ M DPDT 250VAC/32VDC, 5A 13.2VDC, 75mA 160 1-1/8x1-3/4 $15.95 $14.95★ NOTE: With Socket.CIDJEKFLGMHall EffectSwitch/Sensor270051 $2.75 or $2.45 ea./10+Slotted OptocouplerInterrupter250045 ..............$2.95 or $2.75 ea./10+MomentarySwitches270052 SPST, N.O. ......................95¢ or 85¢ ea./10+270074 SPDT, N.O. & N.C.......$2.45 or $2.25 ea./10+Tilt Switch270086 ..$2.65 or $2.45 ea./10+Magnetic Reed Switch270065 ..................................89¢ or 75¢ ea./10+Reed Switchwith Magnets 5/pkg.840981 ..$3.95 or $3.45 ea./10+ThermistorsThese sensors will raise thetemperature as resistancegoes down.110097 100Ω ..........................$1.35 or $1 ea./10+110108 1KΩ ......................$4.95 or $4.75 ea./10+110098 10KΩ ..........................$1.35 or $1 ea./10+ThyristorSensor for heatand light control.600204 400V, 4A ......................95¢ or 85¢ ea./10+Humidity SensorTypically 1M at 30% relativehumidity to 1K at 90% relativehumidity. 15 x 12 x 4.5mm.260199 ........................$12.95 or $11.95 ea./10+Photo CellsLight sensors with variable resistance.Use for control of electronic circuits.260017 450Ω ..................99¢ or 85¢ea./100+260018 1.5KΩ ........................99¢ or 85¢ ea./100+LDR Resistor Top Quality260125 ....$2.75 or $2.45 ea./10+Ultrasonic Sensor Set40kHz ± 1.0 kHz.Aluminum flower case.680115..$12.95 or $11.95 ea./10+Ultrasonic TransducerWill transmit or receive 40K Hzultrasonic waves. Add it to yourproject or use it to build your ownremote controls, radios, TVs,appliances, remote door openers, andremote alarm signaling!680105 40kHZ ..................$10.95 or $9.95 ea./10+

ELECTRONICSPARTSGMA TestInstrument FusesFast blow. Minimum order of 10.Stock#Amps(A)Auto Fuses3 AGVolts(V)Size(mm)10+Price100+Price380034 0.5 250 5x20 15¢ 11¢380035 1 250 5x20 15¢ 11¢380036 2 250 5x20 15¢ 11¢380037 3 250 5x20 15¢ 11¢380038 4 250 5x20 15¢ 11¢380039 5 250 5x20 15¢ 11¢380040 6 250 5x20 15¢ 11¢Fast-Acting FusesMinimum order of 10.AGC-Type 1/4"x1-1/4"Stock#Amps(A)Volts(V)Size(mm)10+Price100+Price380008 1/4 250 6.3x31.7* 49¢ 45¢380009 1/2 250 6.3x31.7* 49¢ 45¢380002 1 250 6.3x31.7* 49¢ 45¢380024 1-1/2 250 6.3x31.7* 49¢ 45¢380003 2 250 6.3x31.7* 49¢ 45¢380025 2-1/2 250 6.3x31.7* 49¢ 45¢380004 3 250 6.3x31.7* 49¢ 45¢1/4"x1-1/4"Stock#Amps(A)Volts(V)Size(mm)10+Price100+Price380005 4 250 6.3x31.7* 39¢ 35¢380006 5 250 6.3x31.7* 39¢ 35¢380007 6 250 6.3x31.7* 39¢ 35¢Stock#Fig. Amps(A)ACircuit BreakersVolts(VAC)TypePrice10+Price380056 A 3 250 Panel $4.45 $3.95380074 B 2 — Reset $6.95 $6.45380073 B 5 — Reset $9.99 $8.99Stock#Amps(A)Volts(V)BSize(inches)10+Price100+Price380028 30 32 1-1/4x1/4 18¢ 16¢Slow-Blow FusesMinimum order of 10.1/4"x1-1/4"Stock#1/4"x1-1/4"Stock#Amps(A)ThermalProtectors (Fuse)Volts(V)Size(mm)10+Price100+Price380015 3 125 6.3x31.7* 65¢ 59¢380016 4 125 6.3x31.7* 65¢ 59¢380017 5 125 6.3x31.7* 65¢ 59¢380018 6 125 6.3x31.7* 65¢ 59¢1/4"x1-1/4". Slow blow.Stock#Amps(A)Amps(A)Volts(V)Volts(V)Size(mm)Size(inches)10+Price10+Price100+Price380014 2 125 6.3x31.7* 49¢ 45¢380021 1/8 250 6.3x31.7* 95¢ 85¢380011 1/4 250 6.3x31.7* 65¢ 55¢380012 1/2 250 6.3x31.7* 65¢ 55¢380013 1 250 6.3x31.7* 65¢ 55¢PigtailFusesFast blow. Min. order of 10.GJV-TypeStock#Amps(A)Volts(V)Size(inches)10+Price100+Price380041 1/2 250 1-1/4x1/4 35¢ 30¢380042 1 250 1-1/4x1/4 35¢ 30¢380043 1-1/2 250 1-1/4x1/4 35¢ 30¢380044 2 250 1-1/4x1/4 35¢ 30¢380045 3 250 1-1/4x1/4 35¢ 30¢380046 4 250 1-1/4x1/4 35¢ 30¢380047 5 250 1-1/4x1/4 35¢ 30¢380048 6 250 1-1/4x1/4 35¢ 30¢100+Price380049 1/2 250 1-1/4x1/4 42¢ 39¢380050 1 250 1-1/4x1/4 42¢ 39¢380051 2 250 1-1/4x1/4 42¢ 39¢380052 3 250 1-1/4x1/4 42¢ 39¢380053 4 250 1-1/4x1/4 42¢ 39¢Stock#Temp.(° C)Amps(A)Volts(VAC)Price10+Price380058 128 10 240 $2.25 $1.95380059 228 10 240 $2.75 $2.55Assorted Fuses Kit[35] Slo-Blo and [100] fast-acting fuses with a plasticstorage box. 135 fuses total.840093 ..........................$59.95 or $55.95 ea./3+Fuse Mounting BlocksSingle Fuse Mounting BlocksBlack, Phenolic, Solder Lug. 1/2”x1-7/8”; fits 1/4”x1-1/4”.380030 ..........................$1.45 or $1.25 ea./10+Double FuseMounting BlocksBlack, Bakelite, 5/8 M.C.2-1/4”x1”; fits 1/4”x1-1/4”.380010 ............................$3.95 or $3.50 ea./10+Fuse HoldersInline Fuse HolderWith 7 inches of #14 insulated wire.380022 $3.75 or $3.55 ea./10+Bayonet-Type Fuse HolderWith mounting nut. 2-3/16”. Fits 1/4"x1-1/4".380001 $1.89 or $1.70 ea./10+Post-TypeFuse HolderWith mounting nut.15A @ 250V.380019 $1.50 or $1.40 ea./10+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 53

PARTS E L E C T R O N I C SABCDEFGHABDiffused LEDs 5mm. T 1-3/4. Min. order of 20.Stock # Color 20+ Price 100+ Price260020 Red* 10¢ 5¢260027 Green 11¢ 8¢260026 Yellow 11¢ 8¢260067 Bright Red 22¢ 19¢C Dual Color LEDsRed/Green, T 1-3/4. Minimum order of 10.DEFGHDIFFUSEDAsLowMini LEDs 3mm. T1. Diffused. Min. order of 20.Stock # Color 20+ Price 100+ Price260080 Red 10¢ 9¢260081 Green 14¢ 12¢260082 Yellow 14¢ 12¢Stock # No. Legs 10+ Price 100+ Price260078 2 29¢ 25¢260079 3 29¢ 25¢Rectangular LEDs 2x5mm, Diffused.Stock # Color Price 100+ Price260083 Red 22¢ 18¢260084 Green 22¢ 18¢Triangular LEDs Minumum order of 10.Stock #2600204 ¢ ea. 1000or moreLEDS AsBlinking LEDs 5mm. Diffused. Min. Order of 3.Stock # Color 3+ Price 20+ Price260075 Red 75¢ 65¢260076 Green 85¢ 75¢260077 Yellow 95¢ 85¢Stock # Color 20+ Price 100+ Price260102 Red 17¢ 14¢260103 Green 28¢ 25¢260107 Yellow 26¢ 20¢PC Board Mount LEDs 5mm. Min. order of 10.Stock # Color 10+ Price 100+ Price260104 Red 25¢ 20¢260105 Green 25¢ 20¢260106 Yellow 25¢ 20¢260160 Orange 25¢ 20¢260159 White $1.45 $1.29260158 Blue $1.45 $1.29Extra Large LEDs 10mm. Min. order of 10.Stock # Color 20+ Price 100+ Price260085 Red 39¢ 35¢260086 Green 39¢ 35¢260087 Yellow 39¢ 35¢Kel-Pack LED Assortment Kit 670 pcs.840485 ..........................$59.95 or $54.95 ea./3+Red LED 50 MBPS260153 ....................................................$14.95Super Bright LEDs4000-8000mcdStock#ColorUltra Violet LEDUV LEDs are revolutionizing products nolonger dependent on conventional UVdischarge tubes. They are used for curing UVadhesives, demonstrating color change inphotochromic pigments, lighting upfluorescent and phosphorescent materials aswell as exposing UV sensitive PC boards.260200 ..................$3.95 or $3.75 ea./10+LED Holders250020 3mm, Black ........15¢ ea./10+ or 10¢ ea./100+250019 5mm, Black ......15¢ ea./10+ or 10¢ ea./100+Copyright © Kelvin L.P.54 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USAVolts(V)Amps Watts(mA) (mW)Price10+Price260168 White 3.5 20 120 $1.95 $1.75260169 Green 3.5 30 120 $1.95 $1.75260170 Red 2.2 20 80 $1.25 $1.15260171 Yellow 2.4 20 800 $1.25 $1.15260172 Orange 2.0 20 100 $1.25 $1.15LEDReadouts7-Segment, RedStock## ofPinsCommon Size Price20+Price260021 10 Anode 14mm $1.15 99¢260022 14 Anode 0.3” 95¢ 75¢590337 11 Cathode 0.375” $1.25 99¢260090 14 Cathode 0.3” $1.25 99¢LED Bar 10-SegmentEasily add fast responsemetering to audio and othercircuits. 10-segment array; fitsstandard 20-pin socket.260059 Red LED Bar ............$1.99 or $1.75 ea./10+260088 Green LED Bar..........$2.25 or $1.95 ea./10+260089 Yellow LED Bar ........$3.25 or $2.95 ea./10+Displays &Neon BulbsPanel MeterDisplay2-Line, Alpha Numeric.260116 ........$24.95 or $22.95 ea./3+Alpha NumericDisplayBright red display. Commonanode. 1-3/16" high.260137 ............$6.95 or $5.95 ea./10+Neon Bulb Panel KitsKit includes NE2 neon bulb; colored,plastic, high temperature lens cap;Tinnerman mounting clip; and a 68K,1/2W current limiting resistor. Soldertabs.115V AC. Measures 7/8" long;11/32" diameter. Requires a 5/16” dia.mounting hole.Stock#AColor10+PriceNeon BulbsCNeon Bulb with Lead0.059W, #NE2.260003 A ..............15¢ or 12¢ ea./20+Neon Bulb with CoverProtective plastic cover over glass.Bayonet-base. 117V AC, 0.04W, #WE51.260001 B ......$1.25 or $1.15 ea./20+Neon Bulb AssemblyAssembly includes red indicator andhousing.125V AC.260113 C ......$2.95 or $2.75 ea./10+B100+Price260004 Red 60¢ 50¢260005 Green 60¢ 50¢260007 Blue 60¢ 50¢260008 White 60¢ 50¢260009 Clear 60¢ 50¢

ELECTRONICSPARTSMini Bulbs★ 14V Bulbs work well with 9V batteries.FGHIJA B CThreaded E-10 Base Mini BulbsStock # Fig. Color Volts (V) Amps (A) No. Qty. Price 50+ Price260016 A Clear 2.2 0.25 222 1 35¢ 30¢260156 — Clear 2.3 0.27 233 1 75¢ 65¢260138 B Red 3.5 0.2 — 10 $3.25 $2.95260139 C Yellow 3.5 0.2 — 10 $3.25 $2.95260140 D Green 3.5 0.2 — 10 $3.25 $2.95260019 E Clear 6.3 0.15 40 1 35¢ 30¢260025 E Clear 6.3 0.25 46 1 35¢ 30¢260051 — Clear 7.5 0.22 50 1 35¢ 30¢260024 — Clear 14 ★ 0.2 1449 1 35¢ 30¢Bulbs and Holders BoardIdeal for learning activities. Board holds five(5) bulbs. For series or parallel circuits.Includes manual and bulbs.710191 ..........$12.95 or $11.95 ea./10+DEThreaded E-5 Base Mini BulbsStock # Fig. Color Volts (V) Amps (A) No. Qty. Price 50+ Price260157 F Clear 2.5 0.27 1769 1 75¢ 55¢260012 F Clear 6.3 0.04 342 1 75¢ 55¢Bayonet Base Mini BulbsStock # Fig. Color Volts (V) Amps (A) No. Qty. Price 50+ Price260015 G Clear 2 0.06 49 1 34¢ 29¢260014 G Clear 6.3 0.25 44 1 34¢ 29¢260002 G Clear 6.3 0.15 47 1 34¢ 29¢260023 G Clear 14 ★ 0.2 1815 1 49¢ 45¢260052 H Clear 14 ★ 0.12 53 1 34¢ 29¢260128 G Clear 14.4 0.1 1813 1 65¢ 55¢Flange Base Mini BulbsStock # Fig. Color Volts (V) Amps (A) No. Qty. Price 50+ Price260053 I Clear 2.33 0.27 PR-4 2 $2.95 $2.75PC Board Mount Mini BulbsStock # Fig. Color Volts (V) Amps (A) No. Qty. Price 10+ Price260109 J Clear 12 0.75 — 1 $2.45 $2.25ABMini Bulb Sockets for Bayonet Base Bulbs260127 A 2 Solder Tabs, Insulated........$2.65 or $2.25 ea./10+ or $1.95 ea./100+260154 B 1 Solder Tabs, Bare ....................$1.25 or 99¢ ea./10+ or 95¢ ea./100+250012 C 6” Leads, Bare ....................................................75¢ or 60¢ ea./25+260155 D 2-6” Leads, Insulated......................................$1.50 or $1.25 ea./10+Bulb Reflectors 10/pkg.260142 Fits 14mm Submini Bulbs....$4.95 or $4.45 ea./10+260141 Fits 24mm Mini Bulbs.........$4.95 or $4.45 ea./10+CDEFGHMini Bulb Sockets Fits an E-10 Base Bulb260062 E Non-Insulated......................................................49¢ or 45¢ ea./25+250059 F PC Mounting Tabs, 10/pkg. ..............................$3.45 or $3.25 ea./10+250056 G 2 Solder Tabs, 10/pkg. ....................................$3.75 or $3.55 ea./10+260129 H Simple, 2 Solder Tabs, 20/pkg. ..........................$4.95 or $4.65 ea./10+250057 I Fits E-10 Base Bulb, Raised, Solder Tab, 10/pkg.......$3.95 or $3.75 ea./10+250060 J U-Shape Bracket, Recessed, Solder Tab, 10/pkg. ......$3.95 or $3.75 ea./10+IJXenon Strobe TubeUse for photoflashes. Features a 4KVtrigger with a 200-300V DC anode.260050 ........$3.95 or $3.45 ea./10+Trigger Coil 4K V320037 ........$1.95 or $1.75 ea./10+SubminiABulbSocketsBFits E-5 Base BulbPC Mounting Tabs, 10/pkg.250061 A ....$4.95 or $4.45 ea./10+Fits E-5 Base Bulb2 Solder Tabs, 10/pkg.250058 B ....$4.95 or $4.45 ea./10+Pilot Lights Requires 11/16” mounting hole. Bulb not included.260040 Green ................................$1.95 ea./10+ or $1.75 ea./100+260041 Red....................................$1.95 ea./10+ or $1.75 ea./100+260043 White ................................$1.95 ea./10+ or $1.75 ea./100+260042 Clear ..................................$1.95 ea./10+ or $1.75 ea./100+KLMini Bulb Socket Base with Fahnestock Clips260117 K Fits E-10 Base Bulb ........................................$1.25 or $1.15 ea./10+Mini Bulb Socket Base with Threaded BattenA must have for low voltage bread-board applications. Screw terminalconnections. The socket measures 1-3/8” base diameter, 7/8" H.250036 L Fits E-10 base bulb. 10/pkg...............................$4.95 or $4.65 ea./10+Mini Bulb Socket with Clip-On BracketPlastic socket can be mounted on a 3/8” W craft stick for projects.260130 Fits E-10 base bulb. 10/pkg...............................$5.95 or $5.45 ea./10+MCopyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 55

PARTS ELECTRONICSMini Axial CapacitorsElectrolytic, Non-Polarized. Orderminimum of 10.Stock #Capacitance(µF)Volts(V)10+Price190041 4.7 50 35¢190013 10 50 35¢Radial CapacitorsElectrolytic aluminum capacitors.*NOTE: Low ESR.Stock #Cap.(µF)Volts(V)Price10+Price190037 0.1 50 20¢ 18¢180010 0.22 50 20¢ 18¢Resin TantalumCapacitors-55 to +85° C, ±20% tolerance. Orderminimum of 10.Stock #Capacitance(uF)Volts(V)10+Price190054 2.2 16 40¢190056 4.7 16 45¢190058 10 16 55¢Ceramic DiscCapacitors50V unless specified. Order minimumof 20. *NOTE: 500V.Stock # Capacitance(Farads)20+Price100+Price140006 0.0068µF 15¢ 7¢140005 0.0047µF 15¢ 7¢140004 0.0033µF 15¢ 7¢140045 0.0027µF 15¢ 7¢Axial CapacitorsElectrolytic capacitors, insulated.Stock #Cap.(µF)Volts(V)Price10+Price190037 0.1 100 20¢ 18¢190022 1 50 25¢ 23¢190002 4.7 50 15¢ 13¢190001 10 25 25¢ 23¢190021 10 50 26¢ 24¢190024 22 50 30¢ 27¢190006 22 450 $1.40 $1.33190018 47 50 25¢ 23¢190028 100 15 25¢ 23¢190007 100 25 27¢ 24¢190020 100 50 39¢ 35¢190008 220 25 31¢ 26¢190019 470 25 32¢ 27¢190036 1,000 16 65¢ 59¢190009 1,000 25 69¢ 62¢190010 1,000 50 80¢ 72¢190027 2,200 35 $1.39 $1.25180011 0.47 50 20¢ 18¢180012 1 50 20¢ 18¢180013 2.2 50 20¢ 18¢180015 4.7 50 20¢ 18¢180002 10 16 20¢ 18¢180017 10 35 20¢ 18¢180018 10 50 20¢ 18¢180019 22 35 20¢ 18¢180020 33 16 20¢ 18¢180003 47 10 20¢ 18¢180004 47 25 20¢ 18¢180021 47 35 20¢ 18¢180022 47 50 20¢ 18¢180023 100 16 20¢ 18¢180006 100 25 20¢ 18¢180024 100 35 25¢ 23¢180033 100 35* 40¢ 36¢180025 100 50 35¢ 32¢180026 220 16 35¢ 32¢180009 220 35 20¢ 18¢190060 22 16 65¢190051 0.68 35 35¢190052 1.0 35 35¢Polyester MetallizedCapacitorsWith radial leads. ±10%tolerance. 250V.Stock #Ceramic MonolithicCapacitors50 V. Order minimum of 10.Stock #Cap.(uF)Capacitance(uF)Price100+Price130055 0.01 18¢ 15¢130057 0.047 25¢ 23¢130058 0.1 30¢ 25¢130060 0.22 30¢ 27¢130061 0.47 35¢ 32¢130063 1.0 50¢ 45¢10+Price140046 0.01 12¢140003 0.0022µF 15¢ 7¢140002 0.0015µF 15¢ 7¢140001 0.001µF 15¢ 7¢130001 0.001 µF* 15¢ 7¢140009 0.022µF 15¢ 7¢140008 0.015µF 15¢ 7¢130008 0.01µF* 15¢ 7¢140007 0.01µF 15¢ 7¢140011 0.1µF 15¢ 7¢140019 2.2pF 15¢ 7¢140020 2.7pF 15¢ 7¢140027 3.3pF 15¢ 7¢140031 4.7pF 15¢ 7¢140038 6.8pF 15¢ 7¢140043 8.2pF 15¢ 7¢140012 10pF 15¢ 7¢140014 12pF 15¢ 7¢140016 15pF 15¢ 7¢140018 18pF 15¢ 7¢140021 20pF 15¢ 7¢140025 27pF 15¢ 7¢140028 33pF 15¢ 7¢140030 39pF 15¢ 7¢140033 47pF 15¢ 7¢140035 51pF 15¢ 7¢140036 56pF 15¢ 7¢Super Capacitor10 Farad capacitor works likea rechargeable battery! Use topower lamps, motors, etc.180040 .................... $6.45Mini Radial CapacitorsStock #Cap.(µF)Volts(V)Price 10+Price180035 10 35 25¢ 23¢180036 1 50 25¢ 23¢180037 100 16 25¢ 23¢180027 470 16 30¢ 27¢180007 470 25 25¢ 20¢180028 470 35 40¢ 36¢180005 1,000 16 50¢ 45¢180034 1,000 35* $1.20 $1.08180008 1,000 35 50¢ 45¢180029 2,200 16 50¢ 45¢180030 2,200 35 75¢ 68¢190065 2,200 50 $1.25 $1.13140047 0.047 15¢140048 0.1 15¢140049 0.22 19¢140050 0.47 25¢Capacitor PacksElectrolytic/Axial Capacitor Pack2 Types x 100 ea.840490 200 Total)..................$49.95Ceramic Disc Capacitor Pack5 Values x 100 ea.840489 500 Total ..................$49.95140039 68pF 15¢ 7¢140041 75pF 15¢ 7¢140044 91pF 15¢ 7¢140013 100pF 15¢ 7¢140015 120pF 15¢ 7¢140017 150pF 15¢ 7¢140023 220pF 15¢ 7¢140026 270pF 15¢ 7¢140029 330pF 15¢ 7¢140034 470pF 15¢ 7¢140037 560pF 15¢ 7¢140040 680pF 15¢ 7¢Copyright © Kelvin L.P.56 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

E L E C T R O N I C SPARTSCarbon Film Resistors5% toleranceValue 1/4 W 1/2W 1 W10Ω 010016 030016 05001615Ω 010033 030035 05003422Ω 010057 030063 05006127Ω 010065 030071 05006933Ω 010081 030085 05008639Ω 010089 030093 05009447Ω 010101 030106 05010756Ω 010113 030119 05012168Ω 010125 030132 05013582Ω 010137 030145 050148100Ω 010018 030019 050018120Ω 010026 030029 050027150Ω 010035 030038 050036180Ω 010043 030047 050044200Ω 010055 030061 NA220Ω 010059 030065 050063270Ω 010067 030073 050071300Ω 010079 030083 NA330Ω 010083 030087 050088360Ω 010087 030091 NA390Ω 010091 030095 050096470Ω 010103 030108 050109510Ω 010111 030117 050119Value 1/4 W 1/2W 1 W560Ω 010115 030121 050123620Ω 010123 030130 NA680Ω 010127 030134 050137820Ω 010139 030147 050150910Ω 010145 030153 0501561KΩ 010014 030014 0500141.2KΩ 010004 030004 0500041.5KΩ 010008 030008 0500081.6KΩ 010010 030010 NA1.8KΩ 010012 030012 NA2KΩ 010051 030057 NA2.2KΩ 010045 030050 0500472.7KΩ 010049 030055 0500523.3KΩ 010069 030075 0500733.6KΩ 010071 030076 NA3.9KΩ 010073 030078 0500784.7KΩ 010095 030100 0501015.1KΩ 010105 030110 0501125.6KΩ 010107 030113 0501156.8KΩ 010119 030126 0501297.5KΩ 010129 030136 NA1/4W Pack of 200..........$31/2W Pack of 200..........$48.2KΩ 010135 030143 0501469.1KΩ 010141 030149 0501521W Pack of 50 ..............$81W Pack of 100 ..........$18Value 1/4 W 1/2W 1 W10KΩ 010017 030017 05001715KΩ 010034 030036 05003516KΩ 010038 NA NA18KΩ 010042 NA NA20KΩ 010054 030060 NA22KΩ 010058 030064 05006227KΩ 010066 030072 05007033KΩ 010082 030086 05008736KΩ 010086 030090 NA39KΩ 010090 030094 05009547KΩ 010102 030107 05010851KΩ 010110 030116 05011856KΩ 010114 030120 05012268KΩ 010126 030133 05013682KΩ 010138 030146 050149100KΩ 010019 030020 050019120KΩ 010027 030030 050028130KΩ 010032 030034 NA150KΩ 010036 030039 050037180KΩ 010044 030048 NA200K NA NA NA220KΩ 010060 030066 050064240KΩ 010064 030070 NAValue 1/4 W 1/2W 1 W270KΩ 010068 030074 050072330KΩ 010084 030088 050089360KΩ 010088 030092 NA390KΩ 010092 030096 050097470KΩ 010104 030109 050110510KΩ 010112 030118 050120560KΩ 010116 030122 050124680KΩ 010128 030135 050138820KΩ 010140 030148 0501511MΩ 010015 030015 0500151.1MΩ 010003 030003 NA1.2MΩ 010005 030005 0500051.5MΩ 010009 030009 NA2.2MΩ 010046 030051 0500482.7MΩ 010050 030056 0500533.3MΩ 010070 040050 0500743.6MΩ 010072 030077 NA3.9MΩ 010074 030079 0500794.7MΩ 010096 030101 0501025.1MΩ 010106 030111 0501135.6MΩ 010108 030114 0501166.2MΩ 010118 030124 NA6.8MΩ 010120 030127 0501308.2MΩ 010136 030144 NA9.1MΩ 010142 030150 NA2W Resistors17¢ ea./10+ or 12.5¢ ea./200+Ω Value Stock # Ω Value Stock #0.51 070150 1.8K 0700111 070149 11K NA2.2 070148 15K 07003210 070015 16K NA11 NA 18K NA12 NA 20K 07005230 NA 120K 07002647 070099 160K NA51 070107 180K NA100 070017 220K 070058110 NA 470K 070102120 070025 1M 070014130 NA 1.3M NA1K 070013 2M NA1.1K 070001 2.7M 0700485W Resistors29¢ ea. or 13.5¢ ea./200+Ω Value Stock # Ω Value Stock #5.1 080000 51 NA10 080001 810 NASIPResistorsStock # Size Pins Price010161 22K 10 48¢010162 270K 10 48¢010163 1.8K 8 48¢010164 15K 6 48¢010165 33K 6 48¢010166 47K 6 48¢010167 10K x 9 10 48¢010168 220 x 9 10 48¢010169 3.3K x 9 10 48¢10W Resistors40¢ ea. or 38¢ ea./100+Ω Value Stock # Ω Value Stock #2 100012 50 1000075 100006 75 10002010 100005 100 10000120 100014 150 10000825 100015 200 10002235 100017 500 10002847 100019 1K 100002ResistorsKel-Pack 1/2W, 16 Values= 3,200 pcs.840487, $49.95ResistorsKel-Pack 1/4W, 24 Values= 4,800 pcs.840486, $49.95Bending Gauge390364 1/4 & 1/2W ........................$5.95390365 1W & 2W ..........................$5.95LightDependentResistorTop Quality.260125, $2.75Resistor KitContains five each of 73 standard values from1W to 1MW, 1/4W. Total of 365 pieces.282452 Kit..............$13.95 or $12.95 ea./3+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 57

PARTS ELECTRONICSDiodesStock # Description Price 10+ Price620042 1N34 38¢ 36¢620043 1N34A 38¢ 36¢620071 1N60 45¢ 42¢620072 1N60A 35¢ 31¢620033 1N100 $1.15 99¢620039 1N270 35¢ 30¢620040 1N277 69¢ 65¢620056 1N456 60¢ 54¢620057 1N457A 35¢ 30¢620125 1N751 35¢ 30¢620134 1N753 35¢ 30¢620121 1N755 35¢ 30¢620080 1N914 23¢ 19¢620081 1N914A 25¢ 20¢620051 1N4148 24¢ 20¢620052 1N4149 35¢ 20¢620136 1N4731 35¢ 30¢620060 1N4764A $1.26 $1.21620124 1N5392 35¢ 30¢620064 1N5402 35¢ 30¢620146 3A, 100V 60¢ 55¢620002 25A, 400V $2.95 $2.65Shottky Diode 1N5822, 40V, 3A620145 ............................99¢ or 89¢ ea./10+TriacsStock # Description Watts Price620135 ST2/6408 1 49¢600008 SC41B 1 $1.80600009 SC41D 1 $1.80620005 SC141B 1 $1.80600083 40526 1 $2.70600085 40529 1 $3.95600007 SC40D 1 $6.95Zener DiodesStock # Description Price 10+ Price620132 2.7V, 1W 18¢ 15¢620022 4.7V, 1W 18¢ 15¢620023 5.1V, 1W 18¢ 15¢620024 5.6V, 1W 18¢ 15¢620025 6.2V, 1W 18¢ 15¢620026 6.8V, 1W 18¢ 15¢620027 7V, 1W 18¢ 15¢620028 7.5V, 1W 18¢ 15¢620029 8V, 1W 18¢ 15¢620030 8.2V, 1W 18¢ 15¢620031 9.1V, 1W 18¢ 15¢620032 9.5V, 1W 18¢ 15¢620006 10V, 1W 18¢ 15¢620007 11V, 1W 18¢ 15¢620008 12V, 1W 18¢ 15¢620009 13V, 1W 18¢ 15¢620010 14V, 1W 18¢ 15¢620011 15V, 1W 18¢ 15¢620012 16V, 1W 18¢ 15¢620014 18V, 1W 18¢ 15¢620016 20V, 1W 18¢ 15¢620017 22V, 1W 18¢ 15¢620018 24V, 1W 18¢ 15¢620019 27V, 1W 18¢ 15¢IC Test ClipsThe narrow, deep throat brings IC leadsup from crowded PC boards for fastsignal tracing. Features gripping teethfor scope probes and test leads. Clipsare made of plastic with non-corrosivenickel/silver contacts.680008 14-pin ......................$5.95 or $5.45 ea./3+680012 16-pin ......................$6.45 or $5.95 ea./3+680064 40-pin ..................$14.95 or $14.45 ea./3+Insertion Tool& Straightener450017 ............................$24.95 or $23.95 ea./3+DIP IC Extractor ToolsLS1, MS1 & SSI Devices450019 ................$2.95 or $2.90 ea./3+CMOS, MOS and DIP ICs450028 ..............$22.95 or $21.95 ea./3+Anti-Static Foam 4"x5-1/2"470062 ....$1.45 or $1.25 ea./10+Anti-Static Mat 18"x24"470060 $79.89 or $71.90 ea./3+Silicon ControlledRectifierStock # Description Price 5+ Price600002 50PIV @ .80A $3.75 $3.45600001 200PIV @ .80A $1.35 $1.10600012 50PIV @ 4A 95¢ 80¢600013 100PIV @ 4A 95¢ 80¢600014 200PIV @ 4A 89¢ 79¢600015 300PIV @ 4A $1.05 95¢600019 400PIV @ 4A $1.19 $1.07Silicon PowerEpoxy RectifierStock # Type Rating Price 5+ Price620103 1N4001 1A 15¢ 12¢620045 1N4002 1A 15¢ 12¢620104 1N4003 1A 18¢ 14¢620089 1N4004 1A 20¢ 15¢620090 1N4005 1A 21¢ 16¢620091 1N4006 1A 22¢ 17¢620092 1N4007 1A 22¢ 18¢620098 1N5400 3A 45¢ 35¢620094 1N5401 3A 48¢ 38¢620095 1N5402 3A 52¢ 42¢620096 1N5404 3A 58¢ 48¢620097 1N5406 3A 65¢ 54¢Full WaveBridge RectifierStock # Description 100+ Price620099 50PIV @ 2A 95¢620100 100PIV @ 2A 90¢620101 200PIV @ 2A $1.05620102 400PIV @ 2A $1.35620110 50PIV @ 4A $1.15620111 100PIV @ 4A $1.34620112 200PIV @ 4A $1.54620113 400PIV @ 4A $1.75Bridge Rectifier 200V, 8A620152 ....................$1.99 or $1.79 ea./10+Elastic Wrist Strap470061, $6.95or $5.95 ea./3+Copyright © Kelvin L.P.58 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSPARTSTransistorsSAVE WITH RED SPECIALS!SUPER SAVINGS WHEN BUYING 100+: 2N222 20 ¢ ea. • 2N222A 20¢ ea. • 2N3904 6¢ ea. • PN2222A 5¢ ea.Stock # Value Price 10+ Price630007 2N1098 $2.95 $2.75630012 2N1302 $4.95 $4.45630025 2N1808 $3.25 $2.95630033 2N2102 $1.15 90¢630038 2N2218A $1.35 $1.15630039 2N2219 95¢ 75¢630040 2N2219A 95¢ 80¢630041 2N2222 29¢ 24¢630042 2N2222A 29¢ 24¢630045 2N2613A $1.95 $1.75630047 2N2646 $3.50 $2.95630053 2N2904 $1.85 $1.60630055 2N2905A 65¢ 45¢630056 2N2907 65¢ 45¢630057 2N2907A 65¢ 55¢630059 2N2923 75¢ 65¢630065 2N3053 95¢ 80¢630067 2N3055 $1.50 $1.28630068 2N3390 95¢ 85¢630073 2N3394 45¢ 35¢630079 2N3504 $1.15 95¢630083 2N3568 75¢ 65¢630084 2N3611 $1.80 $1.50630085 2N3612 $2.95 $2.75630086 2N3638 65¢ 55¢630087 2N3638A 95¢ 80¢630088 2N3641 95¢ 80¢630090 2N3643 95¢ 80¢630091 2N3644 95¢ 80¢630092 2N3645 95¢ 80¢Stock # Value Price 10+ Price630095 2N3691 95¢ 80¢630096 2N3692 95¢ 80¢630099 2N3704 95¢ 80¢630101 2N3706 95¢ 80¢630103 2N3709 95¢ 80¢630115 2N388A $4.95 $4.45630116 2N3903 29¢ 24¢630117 2N3904 12¢ 10¢630118 2N3905 10¢ 9¢630119 2N3906 9¢ 8¢630122 2N398A $5.45 $4.95630123 2N4036 $1.25 95¢630124 2N4037 $1.85 $1.60630130 2N407 $1.25 95¢630134 2N412 $1.65 $1.45850244 2N4220 $1.45 $1.25630370 2N4222 $1.15 95¢630144 2N4237 95¢ 80¢630146 2N4274 95¢ 80¢630149 2N4348 95¢ 80¢850243 2N4403 13¢ 11¢630152 2N464 $3.95 $3.75630154 2N4870 $2.95 $2.45630159 2N4913 $1.95 $1.60630160 2N4916 95¢ 80¢630373 2N4918 $1.35 $1.15630374 2N4921 95¢ 85¢630161 2N5040 $1.95 $1.60630162 2N5060 95¢ 80¢630163 2N5062 95¢ 80¢630164 2N5064 $1.25 $1.05Stock # Value Price 10+ Price630167 2N5132 95¢ 80¢630169 2N5134 95¢ 80¢630170 2N5138 95¢ 80¢630173 2N5210 55¢ 45¢630174 2N5219 95¢ 80¢630175 2N5224 55¢ 45¢630179 2N5294 $1.20 90¢630181 2N5366 $1.45 $1.20630182 2N5400 55¢ 40¢630185 2N5457 95¢ 80¢630187 2N5496 $1.25 95¢630188 2N5497 $1.25 95¢630192 2N5810 65¢ 45¢630193 2N5813 $1.25 95¢630194 2N5815 $2.25 $1.95630197 2N5820 95¢ 80¢630198 2N5821 95¢ 80¢630200 2N585 $1.50 $1.25630203 2N6004 95¢ 80¢630204 2N6005 95¢ 80¢630322 2N6027 50¢ 45¢630209 2N649 $1.85 $1.60630210 2N696 $1.85 $1.60630211 2N697 $1.25 95¢630214 2N708 85¢ 75¢630215 2N709 90¢ 75¢630218 2N730 95¢ 75¢630221 2N956 85¢ 75¢630383 PN2222A 12¢ 8¢630395 TIP29 89¢ 79¢For Electronic Kits or ProjectComponents, Visit www.kelvin.com.Use Keyword: " ELECTRONIC KITS"or Keyword: "ELECTRONIC PARTS"Transistor SocketsTO-3 3/16" H, 23/64" dia. with Leads250003 ....99¢ or 89¢ ea./10+TO-5 1/4" dia., PC Board Mount250009 ....54¢ or 49¢ ea./10+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 59

PARTS ELECTRONICS74LS00 Series Integrated CircuitsStock # Type Price Stock # Type Price590088 74LS00 50¢ 590172 74LS145 $1.25590124 74LS01 40¢ 590173 74LS148 90¢590089 74LS02 35¢590105 74LS151 45¢590125 74LS03 35¢590093 74LS153 45¢590126 74LS04 40¢590174 74LS154 $6.45590127 74LS05 42¢590090 74LS08 40¢590175 74LS155 45¢590130 74LS09 35¢850271 74LS156 90¢590131 74LS10 30¢590176 74LS157 45¢590132 74LS11 35¢590177 74LS158 35¢590134 74LS13 55¢ 590178 74LS160 60¢590098 74LS14 50¢ 590094 74LS161 45¢590135 74LS15 35¢ 590180 74LS163 45¢590136 74LS20 45¢ 590181 74LS164 55¢590108 74LS21 40¢ 590182 74LS165 85¢600122 74LS27 35¢ 590184 74LS168 70¢600121 74LS30 30¢590185 74LS169 59¢590109 74LS32 65¢590187 74LS173 48¢590143 74LS40 75¢590188 74LS174 45¢600123 74LS42 45¢590190 74LS181 $2.25590144 74LS47 $1.99590145 74LS48 $4.45590191 74LS189 $3.25590150 74LS73 45¢590192 74LS190 $4.95590080 74LS74 85¢ 590193 74LS191 65¢590151 74LS75 60¢ 590194 74LS193 65¢590152 74LS76 $1.10 590100 74LS194 75¢590110 74LS83 $1.95 590197 74LS197 65¢590099 74LS85 64¢ 590081 74LS240 68¢590111 74LS90 55¢ 590119 74LS241 68¢590156 74LS92 79¢590120 74LS243 68¢590157 74LS93 $1.20590113 74LS244 75¢590160 74LS109 39¢590200 74LS245 78¢590161 74LS112 30¢590164 74LS122 55¢590076 74LS259 45¢590165 74LS123 $1.25590210 74LS266 45¢590091 74LS125 45¢590101 74LS279 45¢590166 74LS126 45¢590213 74LS283 65¢590168 74LS133 52¢ 590071 74LS367 45¢590092 74LS138 69¢ 590102 74LS373 85¢590171 74LS139 45¢ 590095 74LS374 78¢74HC Series ICsStock # Type Price590272 74HC00 35¢590273 74HC02 35¢590274 74HC04 35¢590275 74HC08 $1.25590281 74HC30 35¢590286 74HC85 79¢590291 74HC112 49¢590303 74HC161 59¢590304 74HC163 49¢590327 74HC373 65¢590330 74HC393 79¢CD4000 Series ICsStock # Type Price600124 CD4001 65¢600117 CD4002 35¢590229 CD4011 30¢600118 CD4012 65¢590084 CD4013 40¢850559 CD4015 50¢600120 CD4016 49¢590228 CD4017 89¢600176 CD4020 59¢600177 CD4023 29¢600178 CD4027 59¢600179 CD4028 59¢590334 CD4029 60¢590413 CD4035 75¢600180 CD4042 59¢600181 CD4046 79¢600116 CD4047 65¢590106 CD4049 50¢600182 CD4050 49¢600183 CD4051 75¢590107 CD4066 49¢590384 CD4069 50¢600185 CD4070 39¢590343 CD4078 45¢600186 CD4081 49¢590074 CD4511 89¢600187 CD4518 75¢600188 CD4528 69¢600189 CD4553 $3.95850247 CD4584 $1.107400 Series ICsNOTE: The 7400 IC series is becoming obsolete.If we’re out of stock, we’ll substitute an equal74LS00 Series IC.Stock # Type Price590001 7400 95¢590002 7401 40¢590003 7402 70¢590004 7403 35¢590005 7404 $1.75590006 7405 35¢590007 7406 45¢590008 7407 45¢590009 7408 55¢590011 7410 35¢590014 7411 75¢590019 7413 55¢590029 7420 50¢590030 7421 $4.95590033 7432 90¢590034 7437 40¢590038 7442 90¢590042 7446 $1.20590043 7447 $1.95590045 7450 40¢590046 7451 45¢590047 7453 55¢590052 7473 55¢590053 7474 55¢590054 7475 85¢590055 7476 $4.95590057 7483 $2.70590058 7486 65¢590059 7489 $3.75590012 74100 $3.45590096 74111 $3.45590015 74121 $1.20590016 74122 85¢590017 74123 48¢590097 74132 44¢590021 74145 59¢590022 74150 $1.45590023 74151 40¢590024 74153 40¢590025 74154 $1.75590103 74155 45¢850297 74157 40¢590117 74180 50¢590028 74193 85¢850292 74197 85¢850248 74279 60¢Copyright © Kelvin L.P.60 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSPARTSTimersStock # Type Price600021* 555 29¢600029 556 Dual 50¢590344 NE558 90¢600164 7555 95¢600172 MC1648 $14.95600173 MC1496 $1.25ArraysStock#MicroprocessorsICSocketsTypePrice10+Price600174 CA3046 75¢ 69¢590421 ULN2803A 95¢ 89¢590269 ULN2003 75¢ 69¢Stock#TypeA555 Timers*NOTE: 29¢or 25¢ ea./10+ or 20¢ ea./100+SUPER SAVINGS when BuyingPriceB10+Price590243 Z80A $2.95 $2.75590239 6800 $2.95 $2.75590235 8085A $3.95 $3.75590232 8088 $5.95 $5.45Voltage RegulatorsStock#TypePrice10+Price600023 7805 95¢ 80¢600046 7806 95¢ 80¢600048 7808 95¢ 80¢600049 7809 $1.15 95¢600050 7810 $1.15 95¢600024 7812 $1.15 95¢600025 7815 $1.15 95¢600051 7818 $1.15 95¢600053 7824 $1.15 95¢600213 LM2575N $3.89 $3.50600210 LM2576H $7.95 $7.65600208 LM2940CT $2.95 $2.66600043 LM317K $3.95 $3.60600044 LM317T 85¢ 70¢600093 LM337T $1.45 $1.25600211 LM385BZ 89¢ 79¢600045 LM723 $1.45 $1.25620151 LM78L05 49¢ 45¢Stock # Fig. Pins Type Price 10+ Price 100+ Price250013 — 8 Solder-Type 10¢ 7¢ 6¢250008 A 14 Wire Wrap $1.35 $1.20 $1.05250004 — 14 Solder-Type 10¢ 7¢ 6¢250010 — 16 Wire Wrap $1.15 99¢ 90¢250005 — 16 Solder-Type 10¢ 7¢ 6¢250049 — 20 Solder-Type 85¢ 80¢ 75¢250006 — 24 Solder-Type 25¢ 23¢ 22¢250011 — 24 Wire Wrap $1.40 $1.30 $1.20250038 B 24 ZIF Round $12.95 $12.75 $12.50250047 C 28 Solder-Machined $2.95 $2.85 $2.75250021 — 28 Solder-Type 20¢ 18¢ 16¢250039 — 28 ZIF Round $13.95 $13.75 $13.50250048 D 28 ZIF Flat $9.95 $9.45 $8.95250046 — 40 Solder-Machined $3.95 $3.85 $3.75250022 — 40 Solder-Type 25¢ 23¢ 22¢CDConvertersStock#8051 MicrocontrollersStock # Flash Price 10+ Price590432 1K $9.95 $9.45590424 2K $10.95 $9.95590433 8K $12.95 $11.95600214 20K $14.95 $13.46Op AmpsType Bits Price10+Price590246 ADC-0803 8 $4.75 $4.49590247 ADC-0804 8 $4.75 $4.49590248 DAC-0808 8 $2.45 $2.19600209 ADC SOIC-16 12 $15.95 $14.36NTE ComponentsStock # Type Price 10+ Price630319 102 $3.15 $2.95630313 103A $1.65 $1.45630366 128 $1.45 $1.35630306 129 $1.95 $1.75630385 131 $3.95 $3.75630375 152 $1.89 $1.75630330 159 95¢ 89¢630351 163A $6.95 $6.65630305 197 $2.25 $2.05630393 219 $4.45 $3.95630321 294 $2.45 $2.25600113 964 $1.35 $1.25600114 965 $1.65 $1.50600087 970 $12.95 $11.95Stock # Type Price 10+ Price600016 709C 65¢ 58¢600018 741C 55¢ 49¢600026 1458 49¢ 45¢600147 LM301N 60¢ 54¢600148 LM308N $3.95 $3.50600149 LM318N $1.35 $1.19600027 LM324N 48¢ 43¢600034 LM339 45¢ 40¢600171 LM733 $1.65 $1.60Power AmplifiersStock#Type W Price10+Price600096 LM386 1 45¢ 40¢600022 LM380 2 $1.15 $1.03600226 LM1875T 20 $1.95 $1.79600227 LM3886T 68 $5.95 $5.50600213 TDA7052 1 $3.89 $3.50SemiconductorsStock#Opto-IsolatorsStock#TypePrice630382 4N25 69¢630369 4N26 69¢630386 4N30 69¢CrystalsStock#TypeRating(MHz)Price600203 UM3561 $2.35Price590257 1 $5.50590258 3.57 $1.65DigitalPotentiometerQUAD 50k590431,$5.95 or$5.36 ea./10+SerialEEPROM16kx8600225,$2.95 or$2.66 ea./10+InfraredOpto-CouplerTIL III, 600040,69¢ or65¢ ea./10+PLLsLM565,600035,$1.95 or$1.75 ea./10+Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 61

PARTS E L E C T R O N I C SA B C DA B C DE F G HLight Sockets340050 A Turn Knob Light Socket ......................................$2.95 or $2.75 ea./10+340008 B 1" Plastic Light Socket ......................................$2.95 or $2.75 ea./10+340036 C Pigtail Light Socket, Rubber ................................$3.95 or $3.25 ea./10+340039 D Push-Through Light Socket ................................ $5.49 or $4.95 ea./10+340161 Push-Through Light Socket (Import)......................$1.45 or $1.20 ea./10+340051 E Pull Chain Light Socket ......................................$6.95 or $5.95 ea./10+340092 F 4" Ceiling Light Socket, Plastic ............................$1.95 or $1.85 ea./10+340034 G 4" Ceiling Light Socket, China ............................$5.95 or $5.45 ea./10+340049 H 4" Ceiling Light Socket, China w/Outlet ................$6.25 or $5.75 ea./10+A B CDHEFGSwitches340089 A 1-Pole Toggle Light Switch, Ivory ..........................$1.25 or $1.10 ea./10+340052 1-Pole Toggle Light Switch, Ground, Brn ................$1.50 or $1.25 ea./10+340053 B 3-Way Toggle Light Switch, Ivory ..........................$2.25 or $1.95 ea./10+340047 C 4-Way Light Switch, Ivory ..............................$14.95 or $13.95 ea./10+340057 D Dimmer Light Switch, Push On/Off ......................$6.95 or $6.75 ea./10+340059 E In-Line Switch ................................................$1.25 or $1.10 ea./10+340044 F Bell Pushbutton Switch, 1-3/4” dia. ......................$2.85 or $2.65 ea./10+640032 G Plunger Contact Switch ....................................$6.95 or $6.45 ea./10+640028 H Key Lock Switch, 3/4” dia. M.H. ......................$13.95 or $13.25 ea./10+ConnectorsAB340038 A Flat Connector, Rubber......$4.49 or $3.95 ea./10+340022 B Square Connector ............$1.95 or $1.85 ea./10+340041 Round Connector ............$4.40 or $3.96 ea./10+340029 3-Wire Connector............$5.95 or $5.45 ea./10+C340021 C Adapter Connector ................60¢ or 50¢ ea./10+D340082 D Dead End Connector ........$5.95 or $5.45 ea./10+Plastic Cover Plates340115 A Single with 2 Outlets, Plastic, Ivory, 4”x2-1/8”..........45¢ or 40¢ ea./10+340114 B Single Toggle Switch, Plastic, Ivory, 4”x2-1/8” ..........70¢ or 60¢ ea./10+340118 C Dual Toggle Switch, Plastic, Ivory, 4”x4”....................70¢ or 60¢ ea./10+340119 Dual Toggle Switch, Plastic, White, 4”x4” ..................70¢ or 60¢ ea./10+340120 D Dual Outlet/Toggle Switch, Plastic, Ivory, 4”x4”..........70¢ or 60¢ ea./10+E F G HMetal Cover Plates340016 E Single Box Cover, Metal, 4”x2-1/8”........................48¢ or 40¢ ea./10+340017 F Single with 2 Outlets, Metal, 4”x2-1/8” ..................95¢ or 85¢ ea./10+340018 Single Toggle Switch, Metal, 4”x2-1/8” ..................65¢ or 55¢ ea./10+340015 G Dual Blank Cover, Flat, Metal, 4”x4” ......................70¢ or 60¢ ea./10+340013 H Dual with 4 Outlets, Flat, Metal, 4”x4” ............$1.75 or $1.60 ea./10+340014 Dual Outlet/Toggle Switch, Metal, 4”x4” ..........$1.50 or $1.25 ea./10+IJ340031 I Octagon Blank, Flat, Metal, 4”x4” ..................$1.17 or $1.05 ea./10+340035 Octagon Toggle Switch, Flat, Metal, 4”x4” ..........$1.25 or 95¢ ea./10+340033 J Octagon Dual Outlet, Flat, Metal, 4”x4” ..............$1.25 or 95¢ ea./10+KLMA B CD E F GPlugs340028 A Flat Plug, Rubber ..............................................$2.95 or $2.65 ea./10+340048 B Flat Plug, Phenolic ............................................$2.79 or $2.59 ea./10+340007 C Molded, 2-Piece, Brown Phenolic ..........................$1.25 or $1.15 ea./10+340004 D Round Plug, Rubber, 2-Prongs ..............................$3.50 or $3.15 ea./10+340027 E Grounding Plug ................................................$3.95 or $3.59 ea./10+340011 F Grounding Plug ................................................$4.95 or $4.45 ea./10+340081 G Dead Front Plug, 3-Prongs ..................................$3.95 or $3.45 ea./10+Boxes340019 K Single, Metal, 4”x2-1/8” ................................$1.95 or $1.75 ea./10+340108 Single, Angled Nails, Plastic, 3-11/16”x2-1/4” ..........80¢ or 70¢ ea./10+340107 Single, Side-Mount, Plastic, 3-11/16”x2-1/4” ........$1.30 or $1.20 ea./10+340020 L Double, Metal, 4”x4” ..................................$1.75 or $1.55 ea./10+340030 Octagon, Metal, 4”x4” ..................................$1.95 or $1.75 ea./10+Dual Duplex Outlet340010 Brown, 120V ..................................................$1.05 or 85¢ ea./10+Copyright © Kelvin L.P.62 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

MicrophonesAACopyright © Kelvin L.P.BProject Microphone350041 A 10V DC, 1K ........$2.25 or $1.95 ea./10+Crystal Lapel Microphone850306 B ........................$5.95 or $5.45 ea./10+Multi-Purpose MicrophoneIdeal for project or tape recorders. Includes a 9 ft.long shielded cord with a 3.5mm mini phone plug.990047 C ........................$4.95 or $3.95 ea./10+ShieldedMicrophone CableStranded, 2-conductorcable. 250 ft. long.330151 ................................$54 or $49.95 ea./2+AMicrophone ConnectorsBB370007 A 75PCIM ................44¢ or 39¢ ea./10+370009 B 5501F ....................52¢ or 46¢ ea./10+370008 C 5501MP ................40¢ or 36¢ea./10+ABCMicrophone PlugsMale Microphone Plug, 3 Pin/Contact370018 A ............................$2.10 or $1.78 ea./10+Female Microphone Plug, Panel Mount370017 B ............................$2.95 or $2.65 ea./10+Female Microphone Plug, w/ Positive Latch Lock370016 C ........................$2.40 or $2.04 ea./10+Low Impedance Earphones8 ohm, 3.5mm, 3.55mm earplug hanger.990140 A 6-foot cord ..........$1.75 or $1.65 ea./6+High Impedance Earphones2K ohms, 3.5mm plug. 3-foot cord.990015 A ..........................$2.95 or $2.75 ea./6+Crystal Earpiece990056 B ........................$6.95 or $5.95 ea./10+Lightweight Stereo Headphones100dB, 20-19K, 4-32 ohms. 3.5mm stereo plug.350043 C ........................$1.95 or $1.75 ea./10+CCCBuild Your Own ® Speaker System!Super Bullet Tweeter10-oz. magnet, 80W nominalpower, 8 ohm impedance,frequency response 4,000-19,000Hz, resonant frequency1.6Hz, crossover frequency 5KHz, sensitivity100dB. Measures 3-1/2”.350038 ....................$10.95 or $9.95 ea./2+Air Suspension Woofer—Quality Sound!20 oz. magnet, 60W peakpower, 1” aluminum voicecoil, 8 ohm impedance,frequency response40-4,000HZ, 91dB, resonantfrequency, 36Hz. 8” diameter.350039 ..................$12.95 or $11.95 ea./2+Pushbutton TerminalTerminal includes springloadedposts for easyconnection with 4 positions: 2 red, 2 black.390737 ..............................................$1.50Speaker Wire 24 AWG, Clear-Cased Wire330154 25 feet ..........$3.95 or $3.65 ea./5+330155 50 feet ..........$6.95 or $6.45 ea./6+AntennasMulti Purpose AntennaTelescopic for AM/FM Radio/TV.290013 ............................$1.95 or $1.75 ea./3+Make YourOwn AntennaUse the Ferrite Rod (8mmx10cm),Inductive Coil (100mH, 10mA, PCboard mount, PCM) and MagnetWire (#22 Copper Enamel). Loopthe ferrite rod with magnet wireto build your own antenna.220109 Ferrite Rod ................$1.85 or $1.75 ea./10+290014 Inductive Coil ............$4.95 or $3.95 ea./10+Copper Enamel Magnet WireStock#AWGLength(ft.)Wt.(lbs.)ELECTRONICSSpeakers AsLow As 49¢ ea.WATER PARTS1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 63PriceMore Wire,Page 44-453+Price330128 22 514 1 $14.95 $13.95330130 24 817 1 $15.95 $14.95330132 26 1300 1 $15.95 $14.95330134 28 2067 1 $16.95 $15.95330136 30 3287 1 $16.95 $15.95330036 18 2030 10 $125 $120330037 20 3230 10 $128 $123330038 22 5140 10 $128 $123330039 24 8170 10 $130 $125330040 26 13000 10 $135 $125330041 28 20670 10 $140 $135BProject SpeakersStandard Brands for Projects.All dimensions are listed in inches.Stock#Fig.CSize(Inches)ADWatts Ohms Price350009* A 2 dia. 0.1 8 59¢**350008* — 1-1/2 dia. 0.1 8 $1.45350004* — 2-1/4 dia. 0.2 8 $2.95350002* — 2-1/2 dia. 0.5 8 $1.65350003* — 3 dia. 0.5 8 $1.95350016* B 4 dia. 1 8 $2.45350013 — 8 dia. 10 8 $5.95350014 — 12 dia. 15 8 $26.95350005 C 3x5 1.5 4 $3.95350012 D 5 Oval 5 4-8 $3.95NOTE: * PM **Buy 4 or more at 49¢ eachAudio AmplifierSpeaker100Hz-10KHz. Frequency: 1mV, 5K.1KHz power output, 200mV, 16ohm load. Requires a 9V batteryor 9V DC adapter.350049 ........................$19.95Indoor/Outdoor SpeakerWeatherproof. Built-in dual matching transformer.8 ohm impedance. 32W nominal outputs. Powertaps 25V: 2W, 4W, 7.5W, and15W. Power taps 70V: 2W, 4W,8W, 16W, 32W. Line voltage:25V and 70.7V. The frequencyrange is 450-8,000Hz. Swivelbracket, high impact ABSplastic casing, tan. 11"x6-1/2".350026 ..............................$39.95 or $34.95 ea./4+Closed Back SpeakerQuality Sound! 5” round speaker. 6.5 oz. magnet,30W peak power, 8 ohm impedance, frequencyresponse:1,000-10,000Hz, 91dB.350037 ............................$5.95 or $4.95 ea./2+

PARTS ELECTRONICSABHCIDLEFGA Selection ofDataCom TestersKJVideoConnectors370012 A AF59A F to RG59/U Video Connector ..........................25¢ or 23¢ ea./10+370013 B AF81B F to Female Video Connector............................18¢ or 16¢ ea./10+370020 C F Male to Phono Female Video Connector ....................75¢ or 67¢ ea./10+370022 D F Female to Phono Male Video Connector ....................75¢ or 67¢ ea./10+770008 E F Male Video Connector............................................48¢ or 43¢ ea./10+370031 F Right Angle F Male Video Connector ..........................89¢ or 80¢ ea./10+370010 UG175 RG58 Video Connector ..................................21¢ or 19¢ ea./10+370011 G UG176 RG59 Video Connector ..................................21¢ or 19¢ ea./10+370001 H PL259 UHF Plug Video Connector ............................$1.00 or 90¢ ea./10+370004 I SO239 UHF Panel Rect. Video Connector ..................$1.00 or 90¢ ea./10+370029 J UG273 UHF M to BNC F Video Connector ..............$3.95 or $3.75 ea./10+370003 K PL258 UHF St M Video Connector ..............................95¢ or 85¢ ea./10+370002 L M358 UHF T Video Connector..............................$2.95 or $2.65 ea./10+370005 M359 Angle Video Connector ..............................$2.20 or $1.98 ea./10+AB2-Way Video Splitter370027 A SUV-2.....65¢ or 58¢ ea./10+3-Way Video Splitter770006 B ..........48¢ or 40¢ ea./10+Gold Ends Brand Video CablesBNC Test CablesMale to Male BNC Test Cable, RG-58U, 50Ω.990101 3 ft. Long ..................$3.45 or $2.95 ea./3+990102 6 ft. Long ..................$4.45 or $3.78 ea./3+Coaxial Cable Black, 100 ft.330115 RG-58U, 50Ω..........$14.95 or $14.45 ea./3+330001 RG-59U, 75Ω..........$13.95 or $13.45 ea./3+Coaxial Wire StripperWire stripper for RG-58/79 cable.530163 ............................$19.95 or $17.95 ea./3+CMD4-Way Video Splitter770007 C ....$1.20 or $1.08 ea./10+A-B Video Switch370028 D ..$4.25 or $3.95 ea./10+Stock # Type Length Price 6+ Price780005 Threaded, F to F 3 ft. $1.95 $1.75780006 Threaded, F to F 6 ft. $2.25 $2.00780001 Quick Disconnect, F to F 6 ft. $1.95 $1.75780008 Dual RCA to Dual RCA 3 ft. $5.95 $5.65780010 Dual RCA to Dual RCA 6 ft. $6.95 $6.25780009 RCA to RCA 3 ft. $1.00 90¢780002 RCA to RCA 6 ft. $2.25 $2.00Telephone Test SetTests insulation resistance and determines line conditionswithout help from the central office. High impedance monitormode. Includes last number redial, hook & flash, speakerphone, mute, polarity check, battery check, touch tone, andpulse dialing. High impact material for shock resistance. 9Vbattery included.530174 BS100 ..........................................................$214.95Pocket-Size Telephone Test SetSame features to #530174 but also includes ear microphonefor hands-free operation.530175 BSM-200 ......................................................$214.95TeleCom Data TesterChecks datacom and coax wires not yet installed—up to1,500 feet! Both ends of the cable must be plugged into thetester. Includes a unique speech and light feature that indicatescondition of cable with one press of a button. Identifies open,shorted and good cables before installation. Checks RJ-11,RJ-45 and F connectors. 9V Battery Included.530176 DCT-1..........................................................$48.95Tone Generator/Probe SetIncludes both a probe and generator. Quickly locatewires in applications such as TeleCom, Networking,CATV. HVAC, Electrical and Automotive Circuits. Locatetermination point of all types of communication cables.Single or dual tone with adjustable volume, audiblecontinuity on Telco and bare wires, LED signalconfirmation. Probe works with any tone generator,Non-conductive plastic tip for safety. Low battery indicator.Carrying case Included530177 Tone Generator and Probe Set ..........................$48.95530179 Tone Probe Only..............................................$23.95DataCom/Coax Cable TesterOffers easy testing of datacom cables with RJ-11or RJ-45 connectors and coaxcables. One button operation makeschecking cables for opens, shorts,and pair mapping a snap! Locatesup to 7 cables after installation. Testthe DataCom and coax cablesbefore or after the installation.Mapping function tests pin-to-pinconnection. Check for straight orcross-pinned cables. Identifies pairsand open/short condition. Low battery indicator and auto shut-off. Includesa protective holster and custom molded carrying case. 9V Battery (#590009)included.530178 TCT-455..............................................................................$129.95Telephone Line AnalyzerA telephone line analyzer that testsactive phone lines with RJ-11 orRJ-45 modular jacks.530180 TWT-1 ..................................$7.95Copyright © Kelvin L.P.64 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

Cables and CordsLine CordsMolded plugs, 18/2.Stock # Prongs Length Price 10+ Price330025 2 3 ft. 90¢ 65¢330153 2 6 ft. $1.36 $1.25330005 3 6 ft. $3.25 $2.95120052* 3 6 ft. $4.95 $4.45* Computer Line CordStrain Relief BushingFor line cord, 100/pkg.Stock # Prongs Fits To Price10+Price330076 2 18/2 $8.95 $8.45330093 2/3 16/3 $10.45 $9.95Zip CordsStranded, heavy-duty, vinyl.18/2 & 16/3 UL-listed. 16/3 isalso SJT-type. 250 ft. per package.Stock#Ribbon CableFlat, stranded copper, #24AWG.Stock #Gauge Color Price# of Wires1 ft.Price10+Price330075 20/2 Black $34.95 $31.45330122 20/2 Clear $34.95 $31.45330152 18/2 White $34.95 $32.95330010 18/2 Black $34.95 $32.95330119 18/2 Brown $34.95 $32.95330120 18/2 Clear $34.95 $32.95330082 16/3 Black $129 $122.9550+/ft.Price330309 10 50¢ 40¢330301 16 60¢ 50¢330302 20 65¢ 55¢330303 25 65¢ 55¢330304 26 65¢ 55¢330305 34 89¢ 79¢ComputerCables6 feet in length.Stock#AEnd 1 End 2 PriceUSB Connector, Type B391073...............90¢ or 81¢ ea./10+BC10+Price780030 9-pin M 9-pin F $5.95 $5.45780034 9-pin M 9-pin M $5.95 $5.45780051 9-pin F 25-pin M $7.95 $7.45780027 25-pin M 25-pin M $7.95 $7.45780026 25-pin M 25-pin F $8.95 $8.45120220 25-pin M780025 36-Pin MCentronics35-pin MCentronics36-Pin MCentronics$5.95 $5.45$8.95 $8.45900036 DB25 DB36 Printer $10.95 $10.45780071 USB A USB B $5.95 $5.45Connector Covers/Hood AStock #Stock ## ofPins# ofPinsAELECTRONICSComputer Connectors and PartsTypeTypePricePrice10+Price370056 9 M & F 79¢ 69¢120236 15 M & F 79¢ 69¢120060 25 M & F 89¢ 79¢Gender Changers B CJoin cables with like or different terminations.10+Price780053 9 F to F $3.50 $3.25120062 25 F to F $4.95 $4.45780052 25 F to F $6.95 $6.45120191 25 F to M $7.95 $7.45Find Electronics Kitson Pages 2-14AStock#Stock #Fig.BDD-Sub Mini ConnectorsPanel/cable mount sub miniconnectors. Solder-type, no hood.D# ofPinsB# of WiresCEType10+ /ft.PricePARTSPriceFGC50+ /ft.Price330297 4 45¢ 39¢330298 9 75¢ 69¢330299 15 99¢ 89¢330300 25 75¢ 60¢10+Price120288* A 9 — 95¢ 85¢370037 B 9 Male 59¢ 49¢370042 C 9 Female 59¢ 49¢370038 D 15 Male 79¢ 69¢370043 E 15 Female 89¢ 79¢370039 F 25 Male 75¢ 65¢370044 G 25 Female 90¢ 809¢370047* — 25 Female $1.65 $1.45* Right angle, PC.Centronic Connectors36-pin centronics connectors. With hoods.Stock # Fig. Type Price10+Price370061 A Male $1.75 $1.57370062 B Female $3.95 $3.65120064* C Male $3.25 $2.95370049** D Female $1.35 $1.25*Solder-type** Right angle, PC mount.MulticonductorComputer Cable#24AWG. Price per foot.Minimum purchase of 10 feet required.Copyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 65

BATTERIES ELECTRONICSAB C D EAs Low As75 ¢EachALKALINEBATTERIESRechargeableNi-Cad Batteries1.2V (except the 9V radio)sealed Nickel Cadmiumcells provide up to 1,000charge/discharge cycles.Alkaline BatteriesHeavy-duty, long-life Eveready or Duracell qualitybatteries for less.Stock # Fig. Type Volts Price10 +Price220033 A AAA 1.5 85¢ 80¢220016 B AA 1.5 80¢ 75¢220015 C C 1.5 $1.25 $1.10220014 D D 1.5 $1.75 $1.55220019 E Radio 9 $2.35 $1.85Ni-Cad/Ni-mh4-Cell BatteryChargerCharges D, C, AA,AAA, 6V, and 9VNi-Cad/Ni-mhbatteries. LEDsindicate propercharging andswitch chargesat 50mAH or120mAH.220035 ....$22.95or $20.95 ea./3+Stock #TypeRating(mAH)Price6 +Price220039 AAA — $1.35 $1.25220025 AA 500 $1.35 $1.25220026 AA 500 $1.35 $1.25220027 C 1200 $2.95 $2.75220037 D 1200 $2.95 $2.75220029 D 4000 $5.95 $5.75220038 Radio — $5.95 $5.75AlkalineBattery TesterTests ‘AAA’, ‘AA’, ‘C’, ‘D’ & 9Vbatteries. Analog meter display.720118 ......$4.95 or $4.45 ea./3+EvereadyCarbon BatteriesONLY 43 ¢ PER BATTERY!Stock # Type Volts Qty. Price10 +Price220009 AA 1.5 4 $1.75 $1.55Ni-Cad/Ni-mh 6-Cell Battery ChargerThis 6-cell battery charger charges D, C, AA, AAA,and 9V Ni-Cad/Ni-mh batteries.220034 ..........................$55.95 or $52.95 ea./3+Electrical AccessoriesABRechargeable Ni-CadBattery Packs220107 7.2V Hobby ........$12.95 or $10.95 ea./10+220123 9.6V, 650mA........$19.95 or $17.95 ea./10+851073 9.6V, 900mA ......$34.95 or $32.95 ea./10+Ni-Cad Battery Pack ChargerFor use with Ni-Cad battery packs#220123 and #851073 listed above.220108 ..............................$49.95 or $44.95 ea./3+220008 C 1.5 4 $1.95 $1.75220007 D 1.5 4 $3.29 $2.96ABC220010 Radio 9 1 $1.15 99¢C220012 LanternScrew220045 LanternSpring6 1 $7.95 $7.456 1 $7.95 $7.45Button BatteriesMaxell brand buttonbatteries. For watches,calculators and more!220046 #LR44, 1.5V ....................95¢or 75¢ ea./10+Button Battery Holder220080 Single ....................$1.55 or $1.39 ea./10+220081 Double....................$2.85 or $2.65 ea./10+Lithium Battery220114 #123 ..........$7.95 or $6.95 ea./10+220117 9V Radio ....$9.95 or $8.95 ea./10+AC Adapter Incl. 2.1 mm plug. 12V AC, 1A.220074 A ..........................$7.95 or $7.45 ea./3+12V DC Wall AdapterUse as an optional power supplyfor negative voltage. 12V, 800mA.220121 ......................................................$9.95Wall Adapter220136 ....................................................$12.95Car Lighter AdapterPlug this adapter into a car lighter to power all your12 VDC accessories.310004 B ................................95¢ or 85¢ ea./3+Surge ProtectorPlugs into outlet, plug cord into it. 15A, 250V.340079 C ........................$9.95 or $9.45 ea./3+DC Adapters Adapters include 2.1 mm plug.Stock #Fig.Volts(VDC)AmpsPrice3 +Price220118 A 6 500mA $8.45 $7.95220101 A 8.5 1.2A $14.95 $13.95220069 A 9 500mA $4.95 $4.65220099 A 9 1.2A $19.95 $17.95220068 A 12 500mA $13.95 $12.95220100 B 12 2A $23.95 $22.95220032 C3, 4.5,6, 7.5,9, 12500mA $5.95 $5.45Copyright © Kelvin L.P.66 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA

ELECTRONICSBATTERIESAB C DEAFOR AAABATTERIESBCDEMFFOR AABATTERIESIAluminum Battery HoldersStock # Fig. TypeD9V Radio Battery Snaps and ClipsStock # Fig. Type220001 A220017 BCT Snap w/ 6” LTinned LeadsI Snap w/ 4-1/2” LTinned LeadsA10+PriceEB100+Price19¢ 18¢19¢ 18¢220013 C Metal Clip 20¢ 15¢220078 D220018 EPlastic Clip,PCB MountAluminm Clip,Solder-Type# ofCellsPrice220041 A AAA 1 $1.69220047 B AAA 2 $3.95220085 — AAA 4 $3.95220049 C AA 1 $2.59220048 — AA 2 $3.75220042 — AA 3 $5.75220040 — AA 4 $5.75220050 C C 1 $2.35220051 C C 2 $3.95220052 C C 3 $6.75220053 — C 4 $6.75220054 D D 1 $1.95220079 E C 6 $9.35220055 — D 2 $4.95$1.35 85¢$2.35 $1.85KFOR CBATTERIESMPlastic Battery HoldersLHStock # Fig. Type # of Cells Price 10+ Price220131 A AAA 2 $1.55 $1.45220132 B AAA 4 $2.75 $2.65220089 C AA 1 50¢ 35¢220128 D AA 1 $1.45 $1.35220129 E AA 2 $1.85 $1.75220090 F AA 2 60¢ 50¢220091 G AA 4 $1.25 $1.10220004 H AA 4 $1.05 95¢220092 I AA 6 $1.05 95¢282094 J AA 6 $2.15 $2.05220093 K C 1 $1.40 $1.30220094 L C 2 $1.45 $1.25220095 M C 4 $1.75 $1.65220098 N D 4 95¢ 85¢220133 O D 1 $1.65 $1.55220096 P D 1 75¢ 65¢220097 Q D 2 85¢ 75¢Stackable Plastic Battery HoldersThese single D-cell battery holders can be snapped together toform series and parallel battery packs. Use for projects andexperiments to demonstrate series and parallel voltage sources.The two items are not compatible with each other.220083 Quality ......................................$1.49 or $1.29 ea./10+GONFOR DBATTERIESPQJCopyright © Kelvin L.P.1-800-535-8469 (9AM to 5PM E.S.T.) • FAX: 1-800-756-1025 OR 1-631-756-1763 www.kelvin.com • 67

KELVIN ® ELECTRONICSWe Carry A Complete Selection ofElectronic Tools & ComponentsCheck Us Out On The Web!www.KELVIN.comBreadboardsAsLowAs$3 95eachInstrument CasesPagesDiffusedLEDsLowAs4 ¢ eachAsLow46-47PagePage5455MiniBulbsAs30 ¢ eachLow voltage.AsLowAs$2 65eachPushbuttonSwitchPage51Page39555TimersAs20 ¢ LowAs eachPageTransistorsLowAs8 ¢ eachPageAsLowAsFahnestockClipsMiniBulbSocket$1 15eachAsLowAs 85ProjectBuzzer¢each61 555 Timers 59 55 Page 49As49 ¢ eachAsLowPageSpeakersFor YourProjectsPhotoCellsUp/DownSlideSwitchAs40 ¢ LoweachReed Switch& Magnets$3 45eachAsAs85 ¢ LowLowAsAs each63 450 Ohms 52 50 52PageAlkalineBatteriesAsLowAs6675 ¢ eachProject WireAsLow $6 95As eachPage4422 AWG. Stripped at bothends. 10” long. 50/pkg.100 - Wheels w/ End Cap100 - Wheels w/ Ctr. Hole200 - Dragster Wheels20 - Mouse Trap Wheels40 - CD Wheel Adapters100 - Gear Wheels100 - Front Gear Wheels100 - 2-1/4"” Axles100 - 2-1/2” Axles100 - Economy Gears80 - Economy Cams1 - Sprocket Chain10 - Worm GearsPicture forIllustration OnlySlottedOptocouplerAsLowAs$3 95 eachPage52Mechanical & Prototype10 - Bevel Gears10 - Rack Gears100 - Economy Pulleys20 - Economy Motors20 - Hi-Speed Motors24 - Hi-Performance Motors24 - Hi-Speed Propellers10 - 1" Boat Propellers20 - Motor Holders30 - Crank Handles100 - Spring Assortment2 - Motor/Gear Box Kits1 - BONUS: Storage Cartwww.kelvin.comMini AlligatorClipsLowAs17 ¢each42StackableBananaPlugsAs89 ¢ LoweachPagePagePage4334 52Eveready or DuracellQuality AAWe also carry awide variety of othertypes of batteries!PageAsLowAs 35PlasticBatteryHolders¢eachAA Lugs67LDR ResistorLight dependent.Copyright © Kelvin L.P.68 • www.kelvin.com KELVIN ® • 280 ADAMS BLVD. • FARMINGDALE, NY 11735 • USA