The HC-49/U-S20000000CHLB crystal, manufactured by Citizen, is a high-quality 20MHz crystal oscillator designed for use in a wide range of electronic devices. This crystal falls under the CRYSTAL category and QUARTZ_CRYSTAL subcategory. Supreme Components International is an authorised distributor of Citizen electronic components, ensuring you receive a genuine and reliable product. The HC-49/U package provides a robust and industry-standard form factor for easy integration into your designs. Its precise frequency output makes it suitable for microcontrollers, communication equipment, and other applications requiring accurate timing. Benefit from the stability and performance of Citizen crystals, available through Supreme Components International. Trust us for your component needs.