| Компонент | Описание | Производитель | |
| BUL57 | HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTORS |
STMicroelectronics |
|
| BUL57A | ADVANCED DISTRIBUTED BASE DESIGN HIGH VOLTAGE HIGH SPEED NPN SILICON POWER TRANSISTOR |
Seme LAB |
|
| BUL57ASMD | Bipolar NPN Device in a Hermetically sealed |
Seme LAB |
|
| BUL57FP | HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTORS |
STMicroelectronics |