The CAP CER 12PF 3KV C0G/NP0 1812 is a type of ceramic capacitor with specific characteristics. It has a capacitance value of 12 picofarads and an accuracy of ±2%. The capacitor can withstand a maximum working voltage of 3000 volts, equivalent to 3 kilovolts. Its style code is C0G/NP0, indicating it belongs to the ceramic class, and its case size is 1812 metric or 4532 in imperial units.