A CAP CER 1800PF 100V C0G/NP0 1206 is a type of ceramic capacitor with specific ratings. It has an equivalent capacitance of 1800 picofarads and can withstand a voltage of up to 100 volts. The C0G/NP0 designation refers to its temperature stability and tolerance for ceramic materials, while the 1206 package size indicates it is a compact component suitable for various electronic applications.