The FF300R12ME4_B11 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.75 to 2.10 V, DC Collector Current 300 A, Peak Collector Current 600 A, DC Forward Current 300 A. More details for FF300R12ME4_B11 can be seen below.