产品与市场
sf280
特点
●低介电常数，低传输损耗。
●优秀的耐热性、尺寸稳定性、耐化学性及电性能。
●不含卤素，阻燃性达到ul94 v-0级。
●满足rohs指令要求，不含铅、汞、镉、六价铬、多溴联苯、多溴联苯醚等。
应用领域
手机天线、微波通信、高速网络设备、传感器、高频电路基板等。
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| 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 |