| Транзистор | BC557 |
| Тип | PNP |
| Vcb, V | 50 |
| Vce, V | 45.0 |
| Veb, V | 5.0 |
| Ic, A | 0.100 |
| Ic max, A | 0.200 |
| P, W | 0.625 |
| t min, °C | -55 |
| t max, °C | 150 |
| Rth, °C/W | 200.000 |
| Vce sat. V | 0.65 |
| hfe min | 110 |
| hfe max | 800 |
| f, Hz | 150000000 |
| R1, Ohm | |
| R2, Ohm | |
| Cobo, pF | 4.5 |
| t on, ns | |
| t off, ns | |
| td, nS | |
| tr, nS | |
| ts, nS | |
| tf, nS | |
| Возможные корпуса | TO-92 | | Производитель | - FairChild (Samsung) (http://www.fairchildsemi.com)
- MCC (http://www.mccsemi.com)
- KEC (http://www.kec.co.kr)
- Unisonic technologies (http://www.unisonic.com.tw)
- TAITRON (www.taitroncomponents.com)
- HT GMR Semiconductor (www.htsemi.com)
- SECOS (http://www.SeCoSGmbH.com/ )
- TGS Tiger electronic (http://www.tgselec.com/)
- WEJ Electronics Co. (http://www.wej.cn)
- Surge Components (http://www.surgecomponents.com)
- WEITRON (http://weitron.com.tw)
- CJ-Elec (http://www.cj-elec.com)
- Diotec Inc. (http://www.diotec.com)
- Kexin (http://kexin.com.cn)
- LGE (http://www.luguang.cn/web_en/)
- GSME (http://www.gsme.com.cn)
- Foshan Blue Rocket Electronics (http://www.fsbrec.com)
- RECTRON (http://www.rectron.com)
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