12.89134

Crystals Overview

The Geyer Electronic America, Inc. model 12.89134 is a fundamental mode quartz crystal oscillator designed for surface mount applications. It operates at a nominal frequency of 27 MHz with a load capacitance of 20pF and an equivalent series resistance of 30 Ohms. The component features a 4-SMD, no lead package configuration and maintains operational stability across a temperature range of -40°C to 85°C. Classified as a Class III life-supporting device within the frequency control products category, it provides precise timing solutions for compact electronic systems requiring reliable frequency generation.

Crystals Feature Summary

• Super ultra-miniature footprint suitable for space-constrained designs
• Fundamental mode operation for stable frequency generation
• Surface mount construction for automated assembly integration

Crystals Applications

• Hearing aids
• Earbuds
• Wireless applications

Crystals Procurement Notes

Verify part authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific ordering suffix matches the required electrical specifications and package type. Ensure compliance with Class III life-supporting device handling protocols during integration. Request updated datasheets to validate current manufacturing status and any potential specification revisions prior to final procurement decisions.

Crystals Selection Notes

Select this component when a 27 MHz fundamental frequency is required in a super ultra-miniature form factor. Consider the 20pF load capacitance and 30 Ohm ESR for circuit matching. Evaluate the -40°C to 85°C operating range against environmental conditions. Ensure the surface mount package aligns with PCB layout capabilities and assembly processes.

Crystals Part Context

This quartz crystal belongs to the KX-2 series from Geyer Electronic America, Inc., known for super ultra-miniature footprints. The manufacturer specializes in frequency control products including crystals, oscillators, and ceramic resonators. As a leading independent manufacturer since 1964, Geyer provides design support and circuit validation services to ensure product compatibility and performance in critical applications.

Crystals Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult official manufacturer resources for cross-reference data or contact technical support for compatible alternatives meeting identical electrical and mechanical specifications.