Found 3 alternatives for ECG-C0KB8R2R by Panasonic Electronic Components. Aluminum Polymer Capacitors — Nonstandard SMD.
CAP ALUM POLY 6.8UF 20% 16V SMD
CAP ALUM POLY 10UF 20% 6.3V SMD
CAP ALUM POLY 22UF 20% 6.3V SMD