The G3R20MT12N from GeneSiC Semiconductor is a MOSFET with Continous Drain Current 47 to 90 A, Drain Source Resistance 20 to 29 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: Chassis Mount. More details for G3R20MT12N can be seen below.