The DMN5040LSS from Diodes Incorporated is a MOSFET with Continous Drain Current 5.2 A, Drain Source Resistance 29 to 60 milliohm, Drain Source Breakdown Voltage 50 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for DMN5040LSS can be seen below.