| BU921PFI Datasheet |
| Type | Transistor Silicon NPN | |
| Case | TO3P | |
| Manufacturer | ST Microelectronics - STM | |
| Vbr CEO | 400 | |
| Max. PD (W) | 120 | |
| Ic Max. (A) | 10 | |
| Icbo Max. @Vcb Max. (A) | 1.0m | |
| Mat. | Silicon Logic | |
| Polarity | NPN | |
| Oper. Temp (°C) Max. | 175 | |
| Pinout Equivalence Number | 3-14 | |
| Surface Mounted Yes/No | NO | |
| Maximum Collector-Base Voltage |Vcb| | 450 V | |
| Maximum Collector-Emitter Voltage |Vce| | 400 V | |
| Maximum Emitter-Base Voltage |Veb| | 5 V | |
| Maximum Collector Current |Ic max| | 10 A | |
| Max. Operating Junction Temperature (Tj) | 150 °C | |
| Forward Current Transfer Ratio (hFE), MIN | 50 | |
| SKU | 139717 | |