The Si2301CDS from Vishay is a MOSFET with Continous Drain Current 3.1 A, Drain Source Resistance 90 to 142 milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage -0.4 to -1 V. Tags: Surface Mount. More details for Si2301CDS can be seen below.