The AP38028EM from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 5.3 to 6.6 A, Drain Source Resistance 28 to 42 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 AP38028EM can be seen below.