| Manufacturer | Part Number | Description |
|---|---|---|
Kexin Semiconductor
| 2SD1220 | Silicon NPN Epitaxial Transistor |
Toshiba
| 2SD1220 | Silicon NPN Transistor |
| Thomson CSF | SD1220-1 | VHF Communications Transistors |
Toshiba
| D1220 | 2SD1220 |
Eaton
| SD12-220-R | Low profile metalized shielded drum core power inductors |
Cooper Electronic
| SD12-220 | Shielded Inductors |
