The 9BC18000202060C3 with 18MHz 49S Crystals 20pF 60O ±20ppm -40?~+85? HC-49S-2P Crystals ROHS manufactured by JGHC is an electronic component consisting of an 18MHz 49S quartz crystal, selected for its temperature stability characteristics. It has a 20pF at 60O design, meant to be used with two electrodes, and is rated to have an accuracy of ±20ppm over a temperature range from -40? to +85?. It is compliant with the EU directive on the Restriction of Hazardous Substances (RoHS). Manufactured by JGHC, this crystal is a reliable timekeeping component for use in various consumer electronics.