W0508SB04 Westcode - Diode

W0508SB04 Description

Westcode W0508SB04 is a thyristor (SCR) rated at 400 V and 508 A. It is used in phase-controlled rectifiers, soft starters, battery chargers and temperature controllers for furnaces and heaters. Many of these parts are still in service in machines built years ago, and a direct replacement is often the fastest way to get one running again.

Looking for a replacement W0508SB04? 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.

Target Applications

Westcode W0508SB04 is used for variable speed motor drives, high power inverter and traction.

Key Specifications