12.84805

Crystals Overview

The Geyer Electronic America, Inc. part number 12.84805 is a quartz crystal component designed for surface-mount applications. It operates at a fundamental frequency of 27.12 MHz with a specified tolerance of ±30ppm. The device features an 8pF load capacitance and a maximum series resistance of 150 Ohms. It is housed in a compact 4-SMD, No Lead package suitable for space-constrained designs. The operational temperature range extends from -40°C to +85°C, ensuring reliability across various environmental conditions.

Crystals Feature Summary

• Super ultra-miniature footprint optimized for hearing aids, earbuds, and wireless applications
• Surface-mount construction with no lead design for automated assembly compatibility

Crystals Applications

• Hearing aids
• Earbuds
• Wireless applications

Crystals Procurement Notes

Verify the specific datasheet version and manufacturer documentation to confirm exact electrical parameters and mechanical dimensions before integration. Ensure that the ordering suffix matches the required packaging and specifications. Cross-reference official Geyer Electronic America, Inc. resources for any updates regarding availability or design changes. Confirm compliance with relevant industry standards for frequency control products.

Crystals Selection Notes

Select this component when a small form factor is critical for wearable or portable electronics. The 27.12 MHz frequency and 8pF load capacitance are key parameters for oscillator circuit design. Consider the ±30ppm tolerance and 150 Ohms resistance limits against system requirements. Evaluate the -40 to 85°C operating range against the intended environmental exposure.

Crystals Part Context

This part belongs to the KX-2 series of quartz crystals from Geyer Electronic America, Inc., known for super ultra-miniature footprints. The manufacturer specializes in frequency control products, including oscillators and ceramic resonators. The company emphasizes long-term delivery guarantees and customer-oriented service, supporting development phases with design assistance and circuit validation.

Crystals Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult official manufacturer channels for potential alternatives or obsolescence management strategies.