The HD-Crystal 7D024000Q01 Electronic Part is a Surface Mount Crystal Resonator with a frequency of 24MHz ±10ppm. It is compliant to RoHS standards and has a profile of SMD-2016_4P. This type of electronic part is used in a wide variety of electronic devices and applications and has a very tight tolerance. These are used for timing and clock synchronization. It is usually in the form of tiny metallic discs or cylinders and is often encased in a protective plastic or ceramic housing for protection.