The AP9980GH-HF from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 13.4 to 21.3 A, Drain Source Resistance 45 to 55 milli-ohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -25 to 25 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for AP9980GH-HF can be seen below.