The Si2343CDS from Vishay is a MOSFET with Continous Drain Current 5.9 A, Drain Source Resistance 37 to 75 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1.2 to 2.5 V. Tags: Surface Mount. More details for Si2343CDS can be seen below.