| Type | Transistor Silicon NPN | |
| Case | TO3 | |
| Manufacturer | Discrete Semiconductor Industries - DSI | |
| Polarity | NPN | |
| Maximum Collector Power Dissipation (Pc) | 31 W | |
| Maximum Collector-Base Voltage |Vcb| | 40 V | |
| Maximum Collector-Emitter Voltage |Vce| | 40 V | |
| Maximum Emitter-Base Voltage |Veb| | 7 V | |
| Maximum Collector Current |Ic max| | 4 A | |
| Max. Operating Junction Temperature (Tj) | 200 °C | |
| Transition Frequency (ft): | 1.3 MHz | |
| Forward Current Transfer Ratio (hFE), MIN | 40 | |
| SKU | 739315 | |