The Si2338DS from Vishay is a MOSFET with Continous Drain Current 6 A, Drain Source Resistance 23 to 33 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 Si2338DS can be seen below.