The 4MBI600VB-170R2-50 from Fuji Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2 to 2.5 V, DC Collector Current 600 to 1200 A, Junction Temperature 150 Degree C, Gate Emitter Leakage Current 1.2 uA. More details for 4MBI600VB-170R2-50 can be seen below.