The AP65AN2K5H from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 4 A, Drain Source Resistance 2.5 ohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for AP65AN2K5H can be seen below.