CM309E8000000BGIT

Crystals Overview

The CM309E8000000BGIT is an AT-cut crystal unit manufactured by Citizen FineDevice. It operates at a fundamental frequency of 8 MHz with a load capacitance of 16 pF and equivalent series resistance of 80 Ohms. The component provides a frequency tolerance and stability of ±50 ppm. Designed for surface mount applications, it features a 4-SOJ package with a 9.60 mm pitch, measuring 11.70 mm in length, 4.00 mm in width, and up to 3.70 mm in height. The operational temperature range spans from -10°C to +60°C.

Crystals Feature Summary

• AT-cut quartz construction for stable oscillation
• Surface mount design compatible with automated assembly
• Fundamental mode operation at specified frequency

Crystals Applications

• General-purpose clock signal generation
• Microcontroller timing circuits
• Embedded system oscillator sources

Crystals Procurement Notes

Verify current availability status as the product may be classified as obsolete or end-of-life. Confirm that the specific ordering suffix matches the required electrical parameters and packaging configuration. Ensure compatibility with existing PCB footprints and reflow soldering profiles before finalizing procurement decisions.

Crystals Selection Notes

Select this component when a standard 8 MHz reference is required for surface mount designs. Verify that the ±50 ppm stability meets the system timing requirements. Ensure the operating environment remains within the specified -10°C to +60°C range to maintain performance specifications.

Crystals Part Context

This part belongs to the CM309E series of surface mount crystals from Citizen FineDevice. The series offers various frequencies and package options for general electronic applications. The CM309E8000000BGIT specifically utilizes the 4-SOJ form factor, distinguishing it from other packages in the lineup.

Crystals Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer obsolescence notices for potential recommended replacements.