The IKY40N120CS6 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 25 V, Saturated Collector Emitter Voltage 1.85 to 2.25 V, DC Collector Current 40 to 80 V, Peak Collector Current 40 to 80 A, DC Forward Current 40 to 80 A. More details for IKY40N120CS6 can be seen below.