product
sf280
characteristic
●low dielectric constant, low dissipation loss.
●excellent soldering reliability,dimensional stability, chemical resistance and electrical properties.
●halogen-free, flammability ul94 vtm-0.
●compatible with eu rohs directive, free of pb,hg,cd, cr6 ,pbb,pbde, etc..
application area
smart phone antenna, microwave communication, high speed network equipment, sensor, high frequency pcb, etc..
- product performance
 - product certificate
 - data download
 
| items | method | condition | unit | typical value | 
|---|---|---|---|---|
| peel strength (90°) | ipc-tm-650 2.4.9d | accepted | n/mm | 0.9 | 
| 288℃, 5s | 0.9 | |||
| solder resistance | ipc-tm-650 2.4.13.f | 288℃, 10s | - | no delamination | 
| dimensional stability | ipc-tm-650 2.2.4b | 
after etched | 
% | -0.0391/-0.0499 | 
| chemical resistance | ipc-tm-650 2.3.2g | after chemical exposure | % | 
97 | 
| electric strength | ipc-tm-650 2.5.6.2a | d-48/50 d-0.5/23 | kv/mm | 126 | 
| volume resistivity | ipc-tm-650 2.5.17e | c-96/35/90 | mω-cm | 
4.51×108 | 
| surface resistance | ipc-tm-650 2.5.17e | c-96/35/90 | 
mω | 
1.71×105 | 
| dielectric constant (10ghz) | spdr | c-24/23/50 | - | 2.92 | 
| dissipation factor (10ghz) | spdr | 
c-24/23/50 | 
- | 0.0032 | 
| folding endurance | jis c-6471 | 
r0.38×4.9n | 
times | >1000 | 
| flammability | ul94 | e-24/125 | rating | 
v-0 | 
