| Manufacturer | Part Number | Description |
|---|---|---|
| ETC Unknown Manufacturer | KP4000A | thyristor |
| YZPST YZPST | KP4000A-4000V | HIGH POWER THYRISTOR |
| YZPST YZPST | KP4000A-1800V | HIGH POWER THYRISTOR |
HUAJING |
KP4000A | Phase Control Thyristor |
| PST PST | KP4000A | HIGH POWER THYRISTOR |
| YZPST YZPST | KP4000A-600V | HIGH POWER THYRISTOR |
| YZPST YZPST | KP4000A-800V | HIGH POWER THYRISTOR |