The RM45N600T7 from Rectron Semiconductor is a MOSFET with Continous Drain Current 44.5 A, Drain Source Resistance 75 to 90 milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for RM45N600T7 can be seen below.