The AP3800YT from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 8.3 to 37 A, Drain Source Resistance 9 to 16 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for AP3800YT can be seen below.