| BUF420 Datasheet |
| Type | Transistor Silicon NPN | |
| Case | TO3P | |
| Manufacturer | NXP Semiconductors | |
| Vbr CEO | 450 | |
| Max. PD (W) | 200 | |
| t(f) Max. (S) | .1u | |
| Ic Max. (A) | 30 | |
| Polarity | NPN | |
| Trans. Freq (Hz) Min. | 100k | |
| Oper. Temp (°C) Max. | 150 | |
| Pinout Equivalence Number | N/A | |
| Surface Mounted Yes/No | NO | |
| Maximum Collector Power Dissipation (Pc) | 200 W | |
| Maximum Collector-Base Voltage |Vcb| | 850 V | |
| Maximum Collector-Emitter Voltage |Vce| | 450 V | |
| Maximum Collector Current |Ic max| | 30 A | |
| Max. Operating Junction Temperature (Tj) | 150 °C | |
| Forward Current Transfer Ratio (hFE), MIN | 100 | |
| SKU | 82595 | |