The CAP CER 680PF 1KV X7R 1812 is a type of ceramic capacitor. Its key specifications include a capacitance value of 680 pF with a tolerance of ±5%, and it can withstand a voltage of up to 1000V (1kV). The X7R designation refers to the material's characteristics, while the metric size is noted as 1812, which is equivalent to 4532 in the metric system.