The Si3424CDV from Vishay is a MOSFET with Continous Drain Current 8 A, Drain Source Resistance 21 to 32 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5. Tags: Surface Mount. More details for Si3424CDV can be seen below.