The AP4N2R6MT from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 27 to 150 A, Drain Source Resistance 2.6 to 3.6 milli-ohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -12 to 20 V, Gate Source Threshold Voltage 1.2 to 2 V. Tags: Surface Mount. More details for AP4N2R6MT can be seen below.