The 2MBI600XNF170-50 from Fuji Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.7 to 2.9 V, DC Collector Current 600 A, Peak Collector Current 1200 A, DC Forward Current 600 A. More details for 2MBI600XNF170-50 can be seen below.