The SC2R7L305MH from Viking Tech Corporation is a Supercapacitor with Capacitance 3000 mF, Voltage Rating 2.7 V, Equivalent Series Resistance 150 mOhms, Temperature Operating Range -40 to 70 Degree C. Tags: Radial Leaded, Through Hole. More details for SC2R7L305MH can be seen below.