The AP3P052EY from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current -4.1 to -5.1 A, Drain Source Resistance 52 to 95 milli-ohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1 to -2.5 V. Tags: Surface Mount. More details for AP3P052EY can be seen below.