The DIM400DDS12-A000 from Dynex Semiconductor is a IGBT with Gate Emitter Voltage 20 V, Saturated Collector Emitter Voltage 2.2 to 3.2 V, DC Collector Current 400 A, Peak Collector Current 800 A, DC Forward Current 400 A. More details for DIM400DDS12-A000 can be seen below.