KR221K03 Powerex - Darlington Three-Phase Bridge
KR221K03 Description
The KR221K03 from Powerex is a Darlington transistor module with a 1000 V / 30 A rating. Modules of this type were widely used in motor drives, UPS units and power supplies, and many are still running in older equipment today.
Looking for a replacement KR221K03? USComponent can quote new and hard-to-find stock and ships worldwide. Request a quote for pricing and lead time, and double-check the datasheet to make sure it fits your application.
Summary of Features
Visolation 2.5kV(RMS), Darlington Three-Phase Bridge - High-Beta,High Speed Diode
Target Applications
Powerex KR221K03 is used for high-power traction inverters and choppers, medium-voltage motor drives, static VAR compensators and other high-power converters.
Key Specifications
| Manufacturer | Powerex |
| Category | Darlington Three-Phase Bridge |
| Rated voltage | 1000 V |
| Rated current | 30 A |

