The DMN4034SSD from Diodes Incorporated is a MOSFET with Continous Drain Current 6.3 A, Drain Source Resistance 23 to 59 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for DMN4034SSD can be seen below.