The Si3459BDV from Vishay is a MOSFET with Continous Drain Current -2.9 A, Drain Source Resistance 180 to 288 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 Si3459BDV can be seen below.