The PSMN1R7-40YLD from Nexperia is a MOSFET with Continous Drain Current 167 to 200 A, Drain Source Resistance 1.5 to 4.5 Milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.35 to 2.05 V. Tags: Surface Mount. More details for PSMN1R7-40YLD can be seen below.