The AP3A035EM from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 4.6 to 5.8 A, Drain Source Resistance 35 to 50 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.3 to 2.5 V. Tags: Surface Mount. More details for AP3A035EM can be seen below.