The PSMN019-100YL from Nexperia is a MOSFET with Continous Drain Current 40 to 56 A, Drain Source Resistance 14 to 52.4 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.5 to 2.45 V. Tags: Surface Mount. More details for PSMN019-100YL can be seen below.