W0503RC18 Westcode - Power Module
W0503RC18 Description
Westcode W0503RC18 is a thyristor (SCR) rated at 1800 V and 503 A. Typical applications include soft starters, AC power controllers, controlled rectifiers, DC motor drives and heating control. Production of many older modules has ended, but we keep sourcing them for repair and maintenance customers.
USComponent is a BBB A+ accredited distributor that specializes in power modules and industrial components, new and legacy. Ask us for a quote on the W0503RC18; we ship worldwide. Please verify the ratings and package against the manufacturer's datasheet first.
Target Applications
Westcode W0503RC18 is used for variable speed motor drives, high power inverter and traction.
Key Specifications
| Manufacturer | Westcode |
| Category | Power Module |
| Rated voltage | 1800 V |
| Rated current | 503 A |
Related Part Numbers
| W0503RC20 2000V, 503A | W0503RC16 1600V, 503A | W0438RC18 1800V, 438A | W0503RC22 2200V, 503A |
| W0503RC24 2400V, 503A | W0438RC22 2200V, 438A | W0438RC24 2400V, 438A | W0438RC16 1600V, 438A |
| W0503RD16 1600V, 503A | W0503RD18 1800V, 503A | W0503RD20 2000V, 503A | W0503RD22 2200V, 503A |
| W0503RD24 2400V, 503A | W0503SC16 1600V, 503A | W0438SD24 2400V, 438A | W0438SD22 2200V, 438A |

