The Citizen HC-49/U-S18516554BBQB is a high-performance Quartz Crystal Resonator designed for applications demanding accurate and stable frequency generation. Operating at a frequency of 18.516554 MHz, this crystal resonator is housed in a robust HC-49/U package, ensuring durability and reliability. It is suitable for use in a wide range of electronic devices, including microcontrollers, communication equipment, and timing circuits. As an authorized distributor of Citizen electronic components, Supreme Components International guarantees the authenticity and quality of this product. Choose the HC-49/U-S18516554BBQB for superior performance and stability in your critical applications. Supreme Components International provides expert support and fast delivery.