12.89027

Crystals Overview

The Geyer Electronic America, Inc. part number 12.89027 is a surface-mount quartz crystal resonator designed for frequency control applications. It operates at a fundamental frequency of 25.0 MHz and utilizes the KX-9A package style. The component features a load capacitance specification of 16 pF, which is critical for circuit oscillator design compatibility. This device belongs to the Class III Life Supporting Device category within the frequency control product line, indicating specific reliability standards. The physical construction supports SMD mounting techniques, facilitating integration into modern printed circuit board assemblies requiring precise timing references.

Crystals Feature Summary

• Surface-mount quartz crystal construction for reliable frequency generation
• Fundamental mode operation at 25.0 MHz for stable timing
• KX-9A package format optimized for automated assembly processes

Crystals Applications

• General purpose clock signal generation in electronic circuits
• Microcontroller system timing references
• Communication interface synchronization modules

Crystals Procurement Notes

Verify the specific manufacturing date code and lot traceability upon receipt, as this component is classified under Class III Life Supporting Device guidelines. Ensure that the received units match the KX-9A package dimensions and electrical specifications exactly. Confirm that the supplier provides appropriate handling documentation consistent with the manufacturer's quality standards for frequency control products.

Crystals Selection Notes

Select this component when a 25.0 MHz surface-mount quartz crystal with a 16 pF load capacitance is required. The KX-9A package must be compatible with the target PCB footprint and reflow soldering profile. Designers should verify that the oscillator circuit impedance matches the crystal's equivalent series resistance characteristics to ensure proper startup and stability.

Crystals Part Context

This part is manufactured by Geyer Electronic America, Inc., a producer of frequency control products including crystals and oscillators. The 12.89027 designation identifies a specific variant within their quartz crystal portfolio. The company maintains facilities in El Cajon/San Diego and Asia, supporting global distribution of these timing components for industrial and commercial electronics.

Crystals Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Cross-referencing requires matching the 25.0 MHz frequency, 16 pF load capacitance, and KX-9A package dimensions precisely.