The Si3993CDV from Vishay is a MOSFET with Continous Drain Current -2.9 A, Drain Source Resistance 92 to 188 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1.2 to -2.2 V. Tags: Surface Mount. More details for Si3993CDV can be seen below.