The Si2303CDS from Vishay is a MOSFET with Continous Drain Current 2.7 A, Drain Source Resistance 158 to 330 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1 to -3 V. Tags: Surface Mount. More details for Si2303CDS can be seen below.