PEM Self-clinching fasteners
PEM® Self-clinching fasteners | KVT-Fastening
PEM® Self-clinching fasteners | KVT-Fastening
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Surface mount nuts<br />
On tape and reel for PC boards<br />
Type KF2 for SMT assembly<br />
Advantages of SMT assembly<br />
• Fasteners can be fed automatically<br />
• No external work step needed to add fastening<br />
points (e.g. press-in process)<br />
• No danger of damaging PC boards (danger<br />
during press-in)<br />
• Reduced handling<br />
• Time-saving<br />
• Process safety<br />
Material<br />
Steel, tin-plated<br />
Use<br />
PC boards with and without plated thru-holes<br />
Example for solder-pad masks<br />
• Processing<br />
1. <strong>PEM</strong> ® component with adhesive patch by means<br />
of standard vacuum pipette<br />
2. <strong>PEM</strong> ® component without adhesive patch by<br />
means of special vacuum pipette<br />
Solder pad<br />
1 2<br />
3-D Data: http://kvt.partcommunity.com<br />
Order description<br />
Thread<br />
d 1<br />
H<br />
in PC board<br />
+ 0.08<br />
0<br />
d 2<br />
± 0.08<br />
d 3<br />
± 0.13<br />
m<br />
± 0.13<br />
h<br />
max.<br />
sm<br />
sm<br />
min.*<br />
D<br />
min.<br />
KF2-M2 on tape M2 4.3 4.19 5.56 1.5 1.53 1.53 6.2<br />
KF2-M2.5 on tape M2.5 4.8 4.68 5.56 1.5 1.53 1.53 6.2<br />
KF2-M3 on tape M3 4.8 4.68 5.56 1.5 1.53 1.53 6.2<br />
KF2-M4 on tape M4 7.0 6.86 8.74 2.0 1.53 1.53 9.4<br />
KF2-M5 on tape M5 7.5 7.37 9.53 3.0 1.53 1.53 10.3<br />
* sm min. refers to “without extension below”<br />
62<br />
www.kvt-fastening.com
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