The MCR8DSNT4G with SCRs 800V 8A manufactured by Littelfuse is an advanced, rugged, ultrafast bidirectional logic-level gate turn-off thyristor (GTO). It is designed to improve power system reliability and stability at high currents and voltages. It is suitable for use in industrial and commercial applications, such as UPSs, DC-DC converters, welding systems, switchgear, railroad locomotives, and high frequency motor drives. The MCR8DSNT4G is a rugged, fast thyristor with a maximum current rating of 8A and a blocking voltage up to 800V. It has a built-in gate drive circuit and provides excellent noise immunity. It is designed to meet RoHS and UL standards.