| 2SD1556 Datasheet |
| Type | Transistor Silicon NPN | |
| Case | TO3PF | |
| Manufacturer | Inchange Semiconductor - ISC | |
| Polarity | NPN | |
| Maximum Collector Power Dissipation (Pc) | 50 W | |
| Maximum Collector-Base Voltage |Vcb| | 1500 V | |
| Maximum Collector-Emitter Voltage |Vce| | 600 V | |
| Maximum Emitter-Base Voltage |Veb| | 5 V | |
| Maximum Collector Current |Ic max| | 6 A | |
| Max. Operating Junction Temperature (Tj) | 150 °C | |
| Collector Capacitance (Cc) | 165 pF | |
| Transition Frequency (ft): | 3 MHz | |
| Forward Current Transfer Ratio (hFE), MIN | 8 | |
| SKU | 16770 | |