The PSMN1R5-40YSD from Nexperia is a MOSFET with Continous Drain Current 202 to 240 A, Drain Source Resistance 1.3 to 2.9 Milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.4 to 3.6 V. Tags: Surface Mount. More details for PSMN1R5-40YSD can be seen below.