The AP20N15AGH-HF from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 13 to 20.5 A, Drain Source Resistance 100 to 110 milli-ohm, Drain Source Breakdown Voltage 150 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for AP20N15AGH-HF can be seen below.