ROHM Semiconductor RGW 650V Field Stop Trench IGBTs offer a low collector-emitter saturation voltage in a small package. The RGW IGBTs feature high-speed switching, low switching loss, and built-in very fast and soft recovery FRD. The ROHM RGW 650V Field Stop Trench IGBTs are ideal for solar inverter, UPS, welding, IH, and PFC applications.