The FF300R12KE4_E from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.75 to 2.15 V, DC Collector Current 300 A, Peak Collector Current 600 A, DC Forward Current 300 A. More details for FF300R12KE4_E can be seen below.