The AP4P016P from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current -29 to -45 A, Drain Source Resistance 16 to 28 milli-ohm, Drain Source Breakdown Voltage -40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1 to -3 V. Tags: Through Hole. More details for AP4P016P can be seen below.