The Si2343DDS from Vishay is a MOSFET with Continous Drain Current -5.3 A, Drain Source Resistance 32 to 63 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 Si2343DDS can be seen below.