The G3R40MT12D from GeneSiC Semiconductor is a MOSFET with Continous Drain Current 33 to 63 A, Drain Source Resistance 40 to 57 milliohm, Drain Source Breakdown Voltage 1200 V, Gate Source Voltage -10 to 20 V, Gate Source Threshold Voltage 1.8 to 2.7 V. Tags: Through Hole. More details for G3R40MT12D can be seen below.