The PSMN2R0-55YLH from Nexperia is a MOSFET with Continous Drain Current 181 to 200 A, Drain Source Resistance 1.63 to 4.9 Milliohm, Drain Source Breakdown Voltage 55 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.2 V. Tags: Surface Mount. More details for PSMN2R0-55YLH can be seen below.