The AP16N50W-HF from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 11 to 16 A, Drain Source Resistance 0.4 ohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for AP16N50W-HF can be seen below.