| 2SK1257 Datasheet |
| Type | Transistor N Channel MOSFET | |
| Case | TO218 | |
| Manufacturer | Panasonic | |
| Vbr DSS | 60 | |
| Vbr GSS | 20 | |
| Max. PD (W) | 45 | |
| Ciss Max. (F) | 3.2n- | |
| Derate (Amb) (W/°C) | 0.36 | |
| t(f) Max. (S) | 320n- | |
| gfs Max. | 22- | |
| gfs Min | 13 | |
| Id Max. (A) | 40 | |
| Idss Max. (A) | 10u | |
| I(d) for G(fs) | 20 | |
| R(ds) On (Û) | 0.5= | |
| Vp Max. | 2.5 | |
| Oper. Temp (°C) Max. | 150 | |
| Pinout Equivalence Number | 3-54 | |
| Surface Mounted Yes/No | NO | |
| SKU | 81620 | |