The APT30M60J from Microchip Technology is a MOSFET with Continous Drain Current 31 A, Drain Source Resistance 150 milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Screw Mount. More details for APT30M60J can be seen below.