The PSMN8R5-40MSD from Nexperia is a MOSFET with Continous Drain Current 42 to 60 A, Drain Source Resistance 7.4 to 16.5 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 PSMN8R5-40MSD can be seen below.