The SDB3R0L1550615 from Shanghai Yongming Electronic is a Supercapacitor with Capacitance 1500 mF, Voltage Rating 3 V, Equivalent Series Resistance 200 mOhms, Temperature Operating Range -40 to 70 Degree C. Tags: Radial Leaded. More details for SDB3R0L1550615 can be seen below.