The AP3N1K2EN1 from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 200 to 400 mA, Drain Source Resistance 1 to 2.4 ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.3 to 1 V. Tags: Surface Mount. More details for AP3N1K2EN1 can be seen below.