The PSMN040-100MSE from Nexperia is a MOSFET with Continous Drain Current 21 to 30 A, Drain Source Resistance 29.4 to 99 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 4.6 V. Tags: Surface Mount. More details for PSMN040-100MSE can be seen below.