The CAP CER 82PF 6KV C0G/NP0 1812 is a specific type of ceramic capacitor. It has a capacitance value of 82 picofarads with a tolerance of ±10 percent and can withstand a voltage of up to 6000 volts, or 6 kilovolts. The capacitor conforms to the C0G/NP0 specifications and has a metric size designation of 1812, which is equivalent to the 4532 marking.