The RM120N85AT2 from Rectron Semiconductor is a MOSFET with Continous Drain Current 120 A, Drain Source Resistance 5.5 to 6 milliohm, Drain Source Breakdown Voltage 85 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for RM120N85AT2 can be seen below.