The SC2R7L308M from Viking Tech Corporation is a Supercapacitor with Capacitance 3000000 mF, Voltage Rating 2.7 V, Equivalent Series Resistance 0.25 mOhms, Temperature Operating Range -40 to 70 Degree C. Tags: Radial Leaded, Through Hole. More details for SC2R7L308M can be seen below.