| BUL63B Datasheet |
| Type | Transistor Silicon NPN | |
| Case | TO251 | |
| Manufacturer | SemeLAB | |
| Polarity | NPN | |
| Maximum Collector Power Dissipation (Pc) | 25 W | |
| Maximum Collector-Base Voltage |Vcb| | 500 V | |
| Maximum Collector-Emitter Voltage |Vce| | 250 V | |
| Maximum Emitter-Base Voltage |Veb| | 10 V | |
| Maximum Collector Current |Ic max| | 12 A | |
| Max. Operating Junction Temperature (Tj) | 150 °C | |
| Collector Capacitance (Cc) | 70 pF | |
| Transition Frequency (ft): | 20 MHz | |
| Forward Current Transfer Ratio (hFE), MIN | 25 | |
| SKU | 1426714 | |