The CAP CER 1800PF 500V C0G/NP0 1808 is a specific type of ceramic capacitor. It has a capacitance value of 1800 picofarads and operates at a voltage rating of 500 volts. This capacitor falls under the C0G/NP0 designation, which indicates that it belongs to the class of ceramic capacitors with a temperature coefficient close to zero and a stable operating characteristic over time. The package size is 1808 (also known as 4520 in metric measurements), making this component suitable for various electronic applications requiring precise capacitance values and reliable voltage handling.