The PRM5R5N03D from PFC Device is a MOSFET with Continous Drain Current 50 to 77 A, Drain Source Resistance 5.5 to 9.0 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.0 to 3.0 V. Tags: Surface Mount. More details for PRM5R5N03D can be seen below.