The DMG3418L from Diodes Incorporated is a MOSFET with Continous Drain Current 4 A, Drain Source Resistance 25 to 150 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.5 to 1.5 V. Tags: Surface Mount. More details for DMG3418L can be seen below.