| Equivalent | SQ2857 | |
| Type | Transistor Silicon NPN | |
| Case | PLCC20 | |
| Manufacturer | Power One | |
| Polarity | NPN | |
| Maximum Collector Power Dissipation (Pc) | 0.2 W | |
| Maximum Collector-Base Voltage |Vcb| | 30 V | |
| Maximum Collector-Emitter Voltage |Vce| | 15 V | |
| Maximum Emitter-Base Voltage |Veb| | 2 V | |
| Maximum Collector Current |Ic max| | 0.04 A | |
| Max. Operating Junction Temperature (Tj) | 175 °C | |
| Collector Capacitance (Cc) | 1 pF | |
| Transition Frequency (ft): | 1000 MHz | |
| Forward Current Transfer Ratio (hFE), MIN | 50 | |
| SKU | 1441124 | |