The DMN3055LFDB from Diodes Incorporated is a MOSFET with Continous Drain Current 5 A, Drain Source Resistance 32 to 75 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 DMN3055LFDB can be seen below.