The CAP CER 1800PF 200V C0G/NP0 1111 is a type of ceramic capacitor. It has a capacitance value of 1800 pF and can withstand a maximum voltage of 200V. The C0G/NP0 designation indicates that it belongs to the C0G (also known as NP0) class, which is characterized by its stability and reliability over a wide range of temperatures. This capacitor has a metric case size, specified as 2828.