| 2SC3979 Datasheet |
| Type | Transistor Silicon NPN | |
| Case | TO220F | |
| Manufacturer | Panasonic | |
| Polarity | NPN | |
| Maximum Collector Power Dissipation (Pc) | 40 W | |
| Maximum Collector-Base Voltage |Vcb| | 1000 V | |
| Maximum Collector-Emitter Voltage |Vce| | 800 V | |
| Maximum Collector Current |Ic max| | 3 A | |
| Max. Operating Junction Temperature (Tj) | 150 °C | |
| Forward Current Transfer Ratio (hFE), MIN | 90 | |
| SKU | 81215 | |