The PSMN4R3-40MSH from Nexperia is a MOSFET with Continous Drain Current 69 to 95 A, Drain Source Resistance 3.5 to 9.4 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.4 to 3.6 V. Tags: Surface Mount. More details for PSMN4R3-40MSH can be seen below.