The PSMN1R8-40YLC from Nexperia is a MOSFET with Continous Drain Current 100 A, Drain Source Resistance 1.5 to 3.6 Milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.5 to 2.25 V. Tags: Surface Mount. More details for PSMN1R8-40YLC can be seen below.