The Si3585CDV from Vishay is a MOSFET with Continous Drain Current 2.1 A, Drain Source Resistance 48 to 316 milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -20 to 20 V. Tags: Surface Mount. More details for Si3585CDV can be seen below.