The DMN2044UCB4 from Diodes Incorporated is a MOSFET with Continous Drain Current 4.5 A, Drain Source Resistance 29 to 70 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage 0.4 to 0.9 V. Tags: Surface Mount. More details for DMN2044UCB4 can be seen below.