| 序號 | 型號 | 極限工作電壓 | 最大電流允許值 | 最大耗散功率 | 放大倍數(shù) | 最大工作頻率 | 制作材料 |
|---|---|---|---|---|---|---|---|
| 1 | BF257G | 200V | 0.1A | 0.8W | 90MHZ | Si-NPN | |
| 2 | BF257N | 180V | 0.1A | 0.8W | 90MHZ | Si-NPN | |
| 3 | BF257S | 140V | 0.1A | 0.8W | 90MHZ | Si-NPN | |
| 4 | BF258 | 250V | 0.1A | 0.8W | 90MHZ | Si-NPN | |
| 5 | BF258(A,G) | 300V | 0.1A | 0.8W | 90MHZ | Si-NPN | |
| 6 | BF258A | 280V | 0.1A | 0.8W | 90MHZ | Si-NPN | |
| 7 | BF260 | 800MHZ | Si-NPN | ||||
| 8 | BF261 | 730MHZ | Si-NPN | ||||
| 9 | BF261A | <1MHZ或未知 | Si-NPN | ||||
| 10 | BF262 | 650MHZ | Si-NPN | ||||
| 11 | BF263 | >525MHZ | Si-NPN | ||||
| 12 | BF264 | >400MHZ | Si-NPN | ||||
| 13 | BF265 | 600MHZ | Si-NPN | ||||
| 14 | BF266 | 400MHZ | Si-NPN | ||||
| 15 | BF267 | 350MHZ | Si-NPN | ||||
| 16 | BF268 | 600MHZ | Si-NPN | ||||
| 17 | BF269 | <1MHZ或未知 | Si-NPN | ||||
| 18 | BF270 | 600MHZ | Si-NPN | ||||
| 19 | BF271 | 900MHZ | Si-NPN | ||||
| 20 | BF272 | 775MHZ | Si-NPN | ||||
| 21 | BF272(A) | 850MHZ | Si-NPN | ||||
| 22 | BF272(A,S) | 850MHZ | Si-PNP | ||||
| 23 | BF273 | 550MHZ | Si-NPN | ||||
| 24 | BF273(C,D) | 700MHZ | Si-NPN | ||||
| 25 | BF274 | 700MHZ | Si-NPN | ||||
| 26 | BF274(B,C) | 700MHZ | Si-NPN | ||||
| 27 | BF277 | 350MHZ | Si-NPN | ||||
| 28 | BF278 | 350MHZ | Si-NPN | ||||
| 29 | BF279 | 500MHZ | Si-NPN | ||||
| 30 | BF280 | 500MHZ | Si-NPN |
