The IXYK120N120B3 from Littelfuse is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2.2 V, DC Collector Current 120 A, Junction Temperature -55 to 175 Degree C, Gate Emitter Leakage Current -0.2 to 0.2 uA. More details for IXYK120N120B3 can be seen below.