| Type | Transistor Silicon NPN | |
| Case | TO3 | |
| Manufacturer | ST Microelectronics - STM | |
| Polarity | NPN | |
| Maximum Collector Power Dissipation (Pc) | 125 W | |
| Maximum Collector-Base Voltage |Vcb| | 1000 V | |
| Maximum Collector-Emitter Voltage |Vce| | 400 V | |
| Maximum Emitter-Base Voltage |Veb| | 7 V | |
| Maximum Collector Current |Ic max| | 3.5 A | |
| Max. Operating Junction Temperature (Tj) | 175 °C | |
| Transition Frequency (ft): | 8 MHz | |
| Forward Current Transfer Ratio (hFE), MIN | 5 | |
| SKU | 1426811 | |