CM309S4.096MABJT

Crystals Overview

The CM309S4.096MABJT is a surface-mount MHz crystal manufactured by Citizen Finedevice Co Ltd. It operates at a nominal frequency of 4.096 MHz with a load capacitance of 18 pF. The component features a frequency tolerance of ±30 ppm and stability of ±50 ppm. It utilizes an AT-Cut design within a 4-SOJ package having a 9.40 mm pitch, measuring 12.40 mm in length, 4.40 mm in width, and 3.70 mm in height. Equivalent series resistance is specified at 150 Ohms, with a drive level of 100 uW. Operating temperatures range from -10°C to +60°C.

Crystals Feature Summary

• AT-Cut crystal technology for stable oscillation
• Surface-mount 4-SOJ package configuration
• Base mode operation capability

Crystals Applications

• General electronic circuit timing
• Microcontroller clock sources
• Communication device synchronization

Crystals Procurement Notes

Verify the specific package dimensions and electrical parameters against the official manufacturer datasheet before integration. Confirm that the 4-SOJ footprint matches the target PCB layout requirements. Ensure the operating temperature range aligns with the intended application environment specifications.

Crystals Selection Notes

Select this component when a standard 4.096 MHz reference signal is required in a compact surface-mount form factor. Consider the 150 Ohm ESR value for oscillator circuit compatibility. Evaluate the ±30 ppm tolerance against system timing accuracy requirements.

Crystals Part Context

This part belongs to the CM309S series of surface-mount crystals produced by Citizen Finedevice. The series offers various frequencies in standardized packages designed for automated assembly processes. This specific model provides a common binary-derived frequency suitable for digital logic applications.

Crystals Replacement Considerations

Direct substitutes include ECS-36-18-7SX-TR from ECS Inc., which shares similar electrical characteristics and package dimensions.