12.85653

Crystals Overview

The Geyer Electronic America, Inc. model 12.85653 is a parallel fundamental quartz crystal designed for surface-mount applications. It operates at a nominal frequency of 48 MHz with a frequency stability of ±10 ppm. The component features a load capacitance of 12 pF and an equivalent series resistance of 60 Ohms. It is housed in a compact 4-SMD, No Lead package, suitable for space-constrained electronic designs requiring precise timing.

Crystals Feature Summary

• Surface-mount configuration with no-lead SMD package
• Fundamental mode quartz resonator operation
• High frequency stability for precision timing

Crystals Applications

• Hearing aids
• Earbuds
• Wireless communication devices

Crystals Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against your circuit design before procurement. Ensure compatibility with the 4-SMD no-lead footprint during PCB layout. Confirm that the ±10 ppm stability meets system timing constraints. Cross-reference the manufacturer's latest datasheet to validate electrical parameters and mechanical dimensions for accurate integration.

Crystals Selection Notes

Select this component when a 48 MHz reference is required in ultra-miniature form factors. It is appropriate for battery-powered portable electronics where low power consumption and small size are critical. Consider the 60 Ohm ESR for oscillator circuit matching. Ideal for applications demanding high reliability in confined spaces such as medical or audio wearables.

Crystals Part Context

This part belongs to the KX-2 series of super ultra-miniature quartz crystals manufactured by Geyer Electronic. The series is specifically engineered for hearing aids, earbuds, and wireless applications. These components represent a specialized line of frequency control products designed to meet the stringent size and performance requirements of modern consumer electronics and medical devices.

Crystals Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with existing oscillator circuits if considering alternatives. Consult the manufacturer for direct replacements or updated series information.