The PSMN1R1-50SLH from Nexperia is a MOSFET with Continous Drain Current 269 to 280 A, Drain Source Resistance 0.97 to 1.18 Milliohm, Drain Source Breakdown Voltage 50 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.2 V. Tags: Surface Mount. More details for PSMN1R1-50SLH can be seen below.