The PSMN039-100YS from Nexperia is a MOSFET with Continous Drain Current 20 to 28.1 A, Drain Source Resistance 30.8 to 100 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 4.7 V. Tags: Surface Mount. More details for PSMN039-100YS can be seen below.