| BUT70W Datasheet |
| Type | Transistor Silicon NPN | |
| Case | TO247 | |
| Manufacturer | SGS Thomson | |
| Polarity | NPN | |
| Maximum Collector Power Dissipation (Pc) | 200 W | |
| Maximum Collector-Base Voltage |Vcb| | 200 V | |
| Maximum Collector-Emitter Voltage |Vce| | 125 V | |
| Maximum Emitter-Base Voltage |Veb| | 7 V | |
| Maximum Collector Current |Ic max| | 40 A | |
| Max. Operating Junction Temperature (Tj) | 150 °C | |
| Forward Current Transfer Ratio (hFE), MIN | 10 | |
| SKU | 575226 | |