The CAP CER 1800 PF 200V C0G/NP0 2225 is a type of ceramic capacitor. It has a capacitance rating of 1800 pF and can withstand a maximum voltage of 200 volts. The C0G/NP0 designation indicates that it is a temperature-compensating ceramic capacitor with a stable capacitance value across different temperatures. This capacitor is part of the 1B series, which includes capacitors with similar specifications but varying values.