The FF800R17KP4_B2 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.80 to 2.70 V, DC Collector Current 800 A, Peak Collector Current 1600 A, DC Forward Current 800 A. More details for FF800R17KP4_B2 can be seen below.