The AP3N1R8MT from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 32.5 to 40.6 A, Drain Source Resistance 1.89 to 3.6 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for AP3N1R8MT can be seen below.