This is a CAP CER 510PF 200V C0G/NP0 type capacitor with specific characteristics: capacitance of 510 picoFarads ±2%, voltage rating of 200 Volts, and a ceramic dielectric material classified as C0G or NP0. The package dimensions are given as 2828 Metric, which is likely referring to the 28mm x 28mm footprint size with a specific case height for this capacitor type.