A CAP CER 18PF 200V C0G/NP0 1111 is a ceramic capacitor with the following specifications: capacitance of 18 pF, tolerance of ±5%, and a voltage rating of 200V. It belongs to the C0G/NP0 class, which has a temperature coefficient of 0 ppm/°C, making it suitable for applications requiring stability across varying temperatures. The part number '1111' indicates specific design or application requirements, while the '2828 Metric' refers to the package size or lead configuration.