12.85631

Crystals Overview

The Geyer Electronic America, Inc. part number 12.85631 is a quartz crystal resonator designed for surface-mount applications. It operates at a fundamental frequency of 26 MHz with a specified load capacitance of 16 pF and an equivalent series resistance (ESR) of 50 Ohms. The component utilizes a four-terminal SMD package configuration without leads, ensuring a compact footprint suitable for space-constrained designs. It is engineered to maintain stability within a ±10 ppm tolerance across the operating temperature range.

Crystals Feature Summary

• Super ultra-miniature footprint optimized for high-density circuit layouts
• Quartz construction providing precise frequency stability
• Surface-mount design compatible with automated assembly processes

Crystals Applications

• Hearing aids requiring miniaturized components
• Earbuds and personal audio devices
• Wireless communication modules

Crystals Procurement Notes

Verify the specific manufacturer designation when sourcing this component, as distributors may list it under various identifiers. Confirm that the received unit matches the 4-SMD No Lead form factor and the 26 MHz frequency specification. Ensure compatibility with the target circuit's load capacitance requirements before integration into the final product design.

Crystals Selection Notes

Select this component for applications demanding minimal physical size alongside reliable frequency control. The 16 pF load capacitance must align with the oscillator circuit design to ensure accurate operation. Consider the 50 Ohm ESR when evaluating drive level sensitivity and power consumption constraints in low-power wearable or portable electronic systems.

Crystals Part Context

This component belongs to the KX-2 series produced by Geyer Electronic e.K., a manufacturer specializing in frequency control products. The series is characterized by its super ultra-miniature dimensions, targeting markets where space is a critical constraint. Geyer Electronic provides a comprehensive line of crystals and oscillators serving diverse electronic sectors globally.

Crystals Replacement Considerations

Consult official substitution lists from Geyer Electronic for verified alternatives. Cross-reference specifications such as frequency, load capacitance, and package dimensions to ensure functional equivalence. Generic substitutes may not match the specific performance characteristics required for sensitive applications like hearing aids.