The RM120N40T2 from Rectron Semiconductor is a MOSFET with Continous Drain Current 120 A, Drain Source Resistance 3.2 to 7 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.5 V. Tags: Through Hole. More details for RM120N40T2 can be seen below.