The RM150N40DFV from Rectron Semiconductor is a MOSFET with Continous Drain Current 150 A, Drain Source Resistance 1.6 to 2.3 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.2 V. Tags: Surface Mount. More details for RM150N40DFV can be seen below.