The AP70AN1K4I from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 6 A, Drain Source Resistance 1.4 ohm, Drain Source Breakdown Voltage 700 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for AP70AN1K4I can be seen below.