| BTS121A Datasheet |
| Type | Transistor N Channel MOSFET | |
| Case | TO220 | |
| Manufacturer | Siemens Semiconductors | |
| Vbr DSS | 100 | |
| Vbr GSS | 20 | |
| Max. PD (W) | 95 | |
| Ciss Max. (F) | 1.5n | |
| td(on) Max (S) | 40n | |
| t(f) Max. (S) | 130n | |
| gfs Max. | 14- | |
| gfs Min | 8.0 | |
| Id Max. (A) | 22 | |
| Idss Max. (A) | 100n- | |
| I(d) for G(fs) | 9.5 | |
| Tr Max. (s) | 170n | |
| R(ds) On (Û) | 100m | |
| t(stor) Max. (S) | 270n | |
| Oper. Temp (°C) Max. | 150 | |
| Pinout Equivalence Number | 3-54 | |
| Surface Mounted Yes/No | NO | |
| SKU | 82969 | |