PTC Thermistors POSISTOR ® for Circuit Protection - Murata
PTC Thermistors POSISTOR ® for Circuit Protection - Murata
PTC Thermistors POSISTOR ® for Circuit Protection - Murata
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
!Note • Please read rating and !CAUTION (<strong>for</strong> storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.<br />
• This catalog has only typical specifications. There<strong>for</strong>e, please approve our product specifi cations or transact the approval sheet <strong>for</strong> product specifi cations be<strong>for</strong>e ordering.<br />
R90E.pdf<br />
Sep.24,2012<br />
Overheat Sensing Chip Type (Related Data)<br />
c Standard Land Pattern Dimensions<br />
Solder resist<br />
Chip<br />
Land<br />
c Resistance - Temperature Characteristics (Typical)<br />
1000<br />
BG<br />
BF<br />
BE BD<br />
BC BB<br />
BA<br />
c<br />
AR<br />
100<br />
AS<br />
Part Number<br />
PRF15<br />
PRF18<br />
PRF21<br />
b<br />
a<br />
(in mm)<br />
Soldering<br />
Dimensions (mm)<br />
Methods Chip (LgW) a b c<br />
1.0g0.5 0.5 0.4-0.5 0.5<br />
Reflow Soldering 1.6g0.8 0.6-0.8 0.6-0.7 0.6-0.8<br />
2.0g1.25 1.0-1.2 0.5-0.7 1.0-1.2<br />
Resistance Change (R/R25)<br />
10<br />
1<br />
0.1<br />
–20 0 20 40 60 80 100 120 140 160<br />
Temperature (°C)<br />
c Overheat <strong>Protection</strong> <strong>Circuit</strong><br />
c Temperature Sensing <strong>Circuit</strong><br />
+Vcc<br />
+Vcc<br />
R1<br />
RL<br />
RL1<br />
RE2<br />
PTH<br />
Thermal<br />
Connection<br />
R1<br />
RL2<br />
R2<br />
RE<br />
RE1<br />
Load<br />
PTH<br />
72
Change language