The specified capacitor is a 18 picofarad ±10% ceramic type with a maximum working voltage of 100V. It is designated as CAP CER 18PF 100V 0603 EPOXY and has an epoxy coating. The metric equivalent for this component's case size, 0603, is 1608. This capacitor falls into the C0G or NP0 classification, which indicates its temperature-compensating and stable characteristics within a range of temperatures.