| Type | Transistor N Channel FET | |
| Manufacturer | Unitra Cemi | |
| Case | TO5 | |
| Equivalent | BF511-SMD | |
| Vbr DSS | 20 | |
| Vbr GSS | 20- | |
| Max. PD (W) | 250m | |
| Ciss Max. (F) | 5.0p | |
| Derate (Amb) (W/°C) | 4.0m | |
| gfs Max. | 5.5m- | |
| gfs Min | 4.0m | |
| Idss Max. (A) | 7.0m | |
| Igss Max. (A) | 10n | |
| Vp Max. | 1.5- | |
| Oper. Temp (°C) Max. | 150 | |
| Pinout Equivalence Number | 3-21 | |
| Surface Mounted Yes/No | YES | |
| SKU | 136413 | |