The AP6N3R8H from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 90 to 155 A, Drain Source Resistance 3.8 milli-ohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 5 V. Tags: Surface Mount. More details for AP6N3R8H can be seen below.