The APT30M70SVR from Microchip Technology is a MOSFET with Continous Drain Current 48 A, Drain Source Resistance 70 milliohm, Drain Source Breakdown Voltage 300 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for APT30M70SVR can be seen below.