The FF1200R17IP5 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.75 to 3 V, DC Collector Current 1200 A, Peak Collector Current 2400 A, DC Forward Current 1200 A. More details for FF1200R17IP5 can be seen below.