The PSMN018-80YS from Nexperia is a MOSFET with Continous Drain Current 32 to 45 A, Drain Source Resistance 15 to 43 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 4.6 V. Tags: Surface Mount. More details for PSMN018-80YS can be seen below.