| Manufacturer | Part Number | Description |
|---|---|---|
STMicroelectronics |
BF257 | HIGH VOLTAGE VIDEO AMPLIFIERS |
Seme LAB |
BF257 | Bipolar NPN Device |
Continental Device India |
BF257 | NPN SILICON HIGH VOLTAGE TRANSISTORS |
Motorola Semiconductor (now NXP Semiconductors) |
BF257 | HIGH VOLTAGE TRANSISTOR |