The Si3127DV from Vishay is a MOSFET with Continous Drain Current 5.1 A, Drain Source Resistance 74 to 146 milliohm, Drain Source Breakdown Voltage -60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1 to -3 V. Tags: Surface Mount. More details for Si3127DV can be seen below.