The HC-49/U-S20000000BBIB is a high-quality 20 MHz Quartz Crystal manufactured by Citizen. Supreme Components International is an authorised distributor of Citizen components, ensuring you receive genuine and reliable products. This crystal is designed for applications requiring precise frequency control and stable oscillation. The HC-49/U package offers a robust and industry-standard form factor for easy integration into your designs. This crystal is suitable for a wide range of applications, including microcontrollers, communication equipment, timing circuits, and signal processing. Its precise frequency characteristics make it an excellent choice for applications where accuracy and stability are critical. Trust Citizen and Supreme Components International for your crystal needs.