The PSMN5R8-40YS from Nexperia is a MOSFET with Continous Drain Current 64 to 90 A, Drain Source Resistance 4.4 to 10.26 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 4.6 V. Tags: Surface Mount. More details for PSMN5R8-40YS can be seen below.