The FD1200R17HP4-K_B2 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.90 to 2.40 V, DC Collector Current 1200 A, Peak Collector Current 2400 A, DC Forward Current 1200 A. More details for FD1200R17HP4-K_B2 can be seen below.