C20000J097 is an SMD Crystal Resonator manufactured by East Crystal. It is a 20MHz ±20ppm frequency resonator that comes in a HC-49SMD form factor and is RoHS compliant. It is composed of a stable quartz crystal and an integrated circuit in a hermetically sealed leadless package. It has a frequency tolerance of ±20ppm, a frequency stability of ±50ppm, and a quality factor of 50. Operating temperature range is -40°C to 85°C. The C20000J097 is a low-cost, reliable solution for use in cell phones, wireless modules, modems, and other demanding applications.