The Si3590DV from Vishay is a MOSFET with Continous Drain Current 3 A, Drain Source Resistance 62 to 300 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -0.6 to -1.5 V. Tags: Surface Mount. More details for Si3590DV can be seen below.