| Equivalent | 2SC557 | |
| Type | Transistor Silicon NPN | |
| Case | TO60 | |
| Manufacturer | Toshiba | |
| Polarity | NPN | |
| Maximum Collector Power Dissipation (Pc) | 20 W | |
| Maximum Collector-Base Voltage |Vcb| | 40 V | |
| Maximum Emitter-Base Voltage |Veb| | 3 V | |
| Maximum Collector Current |Ic max| | 2 A | |
| Max. Operating Junction Temperature (Tj) | 175 °C | |
| Transition Frequency (ft): | 175 MHz | |
| Forward Current Transfer Ratio (hFE), MIN | 20 | |
| SKU | 585344 | |