The FS300R17OE4_B81 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.95 to 2.45 V, DC Collector Current 300 A, Peak Collector Current 600 A, DC Forward Current 300 A. More details for FS300R17OE4_B81 can be seen below.