The 2MBI900XXA120P-50 from Fuji Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.45 to 1.95 V, DC Collector Current 900 A, Peak Collector Current 1800 A, DC Forward Current 900 A. More details for 2MBI900XXA120P-50 can be seen below.