The AP20T15GM-HF from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 2.5 to 4 A, Drain Source Resistance 70 to 120 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 AP20T15GM-HF can be seen below.