The AP6NA1R4CXT from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 35.7 to 210 A, Drain Source Resistance 1.45 to 2.45 milli-ohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for AP6NA1R4CXT can be seen below.