The PSMN045-80YS from Nexperia is a MOSFET with Continous Drain Current 17 to 24 A, Drain Source Resistance 37 to 103 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 PSMN045-80YS can be seen below.