The FZ400R17KE3 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2 to 2.45 V, DC Collector Current 400 A, Peak Collector Current 800 A, DC Forward Current 400 A. More details for FZ400R17KE3 can be seen below.