The AP2N030EN from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 4.3 to 5.3 A, Drain Source Resistance 30 to 50 milli-ohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.5 to 1.25 V. Tags: Surface Mount. More details for AP2N030EN can be seen below.