The Epson Q22FA12800519 is an SMD crystal resonator, with an SMD-2016_4P RoHS configuration. It is used to generate a precise frequency for electronic applications such as a quartz clock, radio receiver, or frequency counter. It has a reliable performance, and is designed with an excellent seismic rating to ensure reliable operation and long life. The resonator is suitable for a variety of applications in industrial and consumer markets. It is RoHS compliant and made with lead-free components.