The F4-100R12KS4 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 3.20 to 3.85 V, DC Collector Current 100 A, Peak Collector Current 200 A, DC Forward Current 100 A. More details for F4-100R12KS4 can be seen below.