The PSMN3R9-100YSF from Nexperia is a MOSFET with Continous Drain Current 120 A, Drain Source Resistance 3.3 to 6.9 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for PSMN3R9-100YSF can be seen below.