The 2MBI300XNA120-50 from Fuji Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.4 to 2.2 V, DC Collector Current 300 A, Peak Collector Current 600 A, DC Forward Current 300 A. More details for 2MBI300XNA120-50 can be seen below.