The PSMN4R8-100YSE from Nexperia is a MOSFET with Continous Drain Current 120 A, Drain Source Resistance 3.6 to 7.7 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.6 to 3.6 V. Tags: Surface Mount. More details for PSMN4R8-100YSE can be seen below.