The PSMNR90-50SLH from Nexperia is a MOSFET with Continous Drain Current 302 to 410 A, Drain Source Resistance 0.7 to 2.03 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 PSMNR90-50SLH can be seen below.