The DF1000R17IE4D_B2 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2 to 2.80 V, DC Collector Current 1000 A, Peak Collector Current 2000 A, DC Forward Current 1000 A. More details for DF1000R17IE4D_B2 can be seen below.