A ceramic capacitor with the designation CAP CER 820PF 1KV C0G/NP0 1808 has specific characteristics. It has a capacitance of 820 pF and tolerates a voltage of ±10% at 1000V (1kV). The component is classified as a C0G, NP0 (1B) ceramic capacitor with the metric size 1808 (4520).