CM309E8000000BBKT

Crystals Overview

The CM309E8000000BBKT is an AT-cut crystal manufactured by Citizen Finedevice Co Ltd. It operates at a nominal frequency of 8 MHz with a load capacitance of 20 pF and an equivalent series resistance (ESR) of 80 Ohms. The component features a ±50 ppm frequency stability and utilizes a 4-SOJ surface-mount package with a 9.60 mm pitch.

Crystals Feature Summary

• AT-cut resonator technology for stable oscillation
• Surface-mount design compatible with automated assembly
• Integrated package structure for compact circuit layouts

Crystals Applications

• Precision timing circuits requiring 8 MHz reference
• Embedded systems utilizing surface-mount assembly
• Consumer electronics with space-constrained designs

Crystals Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct electrical parameters and package configuration. Confirm RoHS compliance status through current datasheets as regulatory requirements may vary by production batch. Cross-reference the part number with authorized distributors to validate authenticity and traceability before procurement.

Crystals Selection Notes

Select this component when an 8 MHz frequency with 20 pF load capacitance is required for surface-mount applications. Ensure the PCB footprint matches the 4-SOJ package dimensions and 9.60 mm pitch. Verify that the circuit design supports the specified ESR and operating temperature range for reliable performance.

Crystals Part Context

This part belongs to the CM309E series of surface-mount crystals from Citizen Finedevice. The series offers various frequencies and packages, providing options for different timing needs in modern electronic devices while maintaining high reliability and precision standards typical of the manufacturer's crystal products.

Crystals Replacement Considerations

Consult official substitution guides for direct replacements. Generic equivalents may differ in ESR, stability, or package dimensions. Verify compatibility with existing circuit designs before substituting.