The DMN31D5UDA from Diodes Incorporated is a MOSFET with Continous Drain Current 0.4 A, Drain Source Resistance 1200 to 4500 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.4 to 1 V. Tags: Surface Mount. More details for DMN31D5UDA can be seen below.