The DMN53D0U from Diodes Incorporated is a MOSFET with Continous Drain Current 0.3 A, Drain Source Resistance 2000 to 3000 milliohm, Drain Source Breakdown Voltage 50 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.4 to 1 V. Tags: Surface Mount. More details for DMN53D0U can be seen below.