The AP6N021M from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 6.3 to 7.8 A, Drain Source Resistance 21 to 45 milli-ohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for AP6N021M can be seen below.