The APT20M45SVFR(G) from Microchip Technology is a MOSFET with Continous Drain Current 56 A, Drain Source Resistance 45 milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for APT20M45SVFR(G) can be seen below.