The APT19F100J from Microchip Technology is a MOSFET with Continous Drain Current 20 A, Drain Source Resistance 440 milliohm, Drain Source Breakdown Voltage 1000 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 5 V. Tags: Screw Mount. More details for APT19F100J can be seen below.