The APT1201R4BFLL(G) from Microchip Technology is a MOSFET with Continous Drain Current 9 A, Drain Source Resistance 1500 milliohm, Drain Source Breakdown Voltage 1200 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Through Hole. More details for APT1201R4BFLL(G) can be seen below.