The T143-400-24 from Proton-Electrotex JSC is a Phase Control Thyristor that is designed for traction and industrial applications. It has a break-over voltage of up to 2400 V and a break-over current of less than 400 A. This thyristor has a gate trigger voltage of up to 3 V and a gate trigger current of 500 mA. It has high power cycling capability, low on-state, and provides reduced switching losses. This thyristor is available in a disc package that measures 67 x 20 mm.