The Citizen HC-49/U-S19980000ABQB is a high-performance Quartz Crystal Resonator designed for precision timing and frequency control. Encased in a robust HC-49/U package, this crystal offers excellent stability and reliability across a wide range of operating conditions. It is suitable for use in microcontrollers, communication devices, and other electronic circuits requiring accurate frequency references. As an authorized distributor of Citizen components, Supreme Components International guarantees the authenticity and quality of this product. Benefit from our competitive pricing, extensive inventory, and expert technical support. Choose Supreme Components International for all your electronic component needs and experience unparalleled service and product excellence. This crystal is a great choice for your next project.