The Citizen HCM494000000BBLT is a reliable 4MHz quartz crystal designed for through-hole mounting. This crystal features a frequency tolerance of ±20 ppm, ensuring accurate frequency control in your circuits. It has a load capacitance of 18 pF and a series resistance of 50 Ohms. The HCM49 series is known for its robust construction and stable performance. Ideal for microcontrollers, oscillators, and other timing-critical applications. As an authorized distributor of Citizen components, Supreme Components International guarantees the authenticity and quality of this crystal. Benefit from our extensive inventory and fast shipping.