The SDB3R0L5051020 from Shanghai Yongming Electronic is a Supercapacitor with Capacitance 5000 mF, Voltage Rating 3 V, Equivalent Series Resistance 70 mOhms, Temperature Operating Range -40 to 70 Degree C. Tags: Radial Leaded. More details for SDB3R0L5051020 can be seen below.