The AP3P021H from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current -18.1 to -28.6 A, Drain Source Resistance 21 to 42 milli-ohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -25 to 25 V, Gate Source Threshold Voltage -1 to -3 V. Tags: Surface Mount. More details for AP3P021H can be seen below.