The RM40N200TI from Rectron Semiconductor is a MOSFET with Continous Drain Current 40 A, Drain Source Resistance 36.4 to 41 milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for RM40N200TI can be seen below.