The 1MBI400V-120-50 from Fuji Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.75 to 2.4 V, DC Collector Current 400 to 800 A, Junction Temperature 175 Degree C, Gate Emitter Leakage Current 0.4 uA. More details for 1MBI400V-120-50 can be seen below.