The FD400R12KE3_B5 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.70 to 2.15 V, DC Collector Current 400 A, Peak Collector Current 800 A, DC Forward Current 400 A. More details for FD400R12KE3_B5 can be seen below.