The G3F18MT12FB4-T from Navitas Semiconductor is a MOSFET with Continous Drain Current 37 to 53 A, Drain Source Resistance 18.5 to 31.5 milli-ohm, Drain Source Breakdown Voltage 1200 V, Gate Source Voltage -10 to 22 V, Gate Source Threshold Voltage 2 to 4.3 V. Tags: Module. More details for G3F18MT12FB4-T can be seen below.