| Equivalent | BUD46 | |
| Type | Transistor Silicon NPN | |
| Case | SOT78 | |
| Manufacturer | SGS Thomson | |
| Polarity | NPN | |
| Maximum Collector Power Dissipation (Pc) | 70 W | |
| Maximum Collector-Base Voltage |Vcb| | 1000 V | |
| Maximum Collector-Emitter Voltage |Vce| | 450 V | |
| Maximum Collector Current |Ic max| | 4 A | |
| Max. Operating Junction Temperature (Tj) | 150 °C | |
| Forward Current Transfer Ratio (hFE), MIN | 100 | |
| SKU | 575208 | |