The AP4070CMT from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 25 to 78 A, Drain Source Resistance 2.6 to 4.8 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.3 to 2.5 V. Tags: Surface Mount. More details for AP4070CMT can be seen below.