The Si3483DDV from Vishay is a MOSFET with Continous Drain Current -8 A, Drain Source Resistance 26 to 51.3 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1 to -2.2 V. Tags: Surface Mount. More details for Si3483DDV can be seen below.