The DIM1200ASM33-F000 from Dynex Semiconductor is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2.8 to 3.6 V, DC Collector Current 1200 A, Peak Collector Current 2400 A, DC Forward Current 1200 A. More details for DIM1200ASM33-F000 can be seen below.