The 1MBI1000VXB-170EH-54 from Fuji Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2 to 2.55 V, DC Collector Current 1000 to 2000 A, DC Forward Current 1000 to 2000 A, Junction Temperature 175 Degree C. More details for 1MBI1000VXB-170EH-54 can be seen below.