The SDL2R7L3350820 from Shanghai Yongming Electronic is a Supercapacitor with Capacitance 3300 mF, Voltage Rating 2.7 V, Equivalent Series Resistance 80 mOhms, Temperature Operating Range -40 to 70 Degree C. Tags: Radial Leaded. More details for SDL2R7L3350820 can be seen below.