The PRM1R8N04N5 from PFC Device is a MOSFET with Continous Drain Current 100 to 190 A, Drain Source Resistance 1.4 to 2.4 milli-ohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.0 to 2.5 V. Tags: Surface Mount. More details for PRM1R8N04N5 can be seen below.