The AP9950AGH-HF from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 45 to 70 A, Drain Source Resistance 10.5 milli-ohm, Drain Source Breakdown Voltage 68 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for AP9950AGH-HF can be seen below.