The HCM494000000ABIT crystal, manufactured by Citizen, is a high-quality quartz crystal oscillator component. Operating at a frequency of 4MHz with a frequency tolerance of ±30ppm, this crystal provides stable and accurate timing signals. Its 18pF load capacitance makes it suitable for a wide range of applications, including microcontrollers, communication devices, and other frequency-sensitive circuits. The thru-hole mounting style and HC-49/US package offer easy integration into existing designs. As an authorized distributor of Citizen components, Supreme Components International guarantees the authenticity and performance of this crystal. This crystal is a reliable choice for designers seeking precision and stability in their electronic circuits. It is commonly used in clock circuits, real-time clocks (RTCs), and other timing-critical applications.