The SDH2R7L5040512 from Shanghai Yongming Electronic is a Supercapacitor with Capacitance 500 mF, Voltage Rating 2.7 V, Equivalent Series Resistance 400 mOhms, Temperature Operating Range -40 to 85 Degree C. Tags: Radial Leaded. More details for SDH2R7L5040512 can be seen below.