The 6MBI300V-170-50 from Fuji Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2 to 2.95 V, DC Collector Current 300 to 600 A, Junction Temperature 175 Degree C, Gate Emitter Leakage Current 0.6 uA. More details for 6MBI300V-170-50 can be seen below.