The AP9980GM-HF from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 2.9 to 4.6 A, Drain Source Resistance 52 to 60 milli-ohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for AP9980GM-HF can be seen below.