12.8556

Crystals Overview

The Geyer Electronic America, Inc. model 12.8556 is a quartz crystal component designed for surface-mount applications. It operates at a frequency of 12.85560 MHz with a tolerance of ±30 ppm and a load capacitance of 8 pF. The device features an ESR of 200 Ohms and utilizes a 4-SMD, No Lead package form factor. This component serves as a precision frequency control element suitable for integration into various electronic circuits requiring stable clock signals.

Crystals Feature Summary

• Super ultra-miniature footprint ideal for space-constrained designs
• CMOS-compatible operation within specified voltage ranges
• High stability quartz construction for precise frequency control

Crystals Applications

• Hearing aids
• Earbuds
• Wireless applications

Crystals Procurement Notes

Verify the exact part number suffix against official Geyer documentation to ensure correct frequency and package specifications. Confirm that the 4-SMD No Lead package aligns with your PCB layout requirements. Check for any specific handling instructions related to the ceramic or quartz material used in the KX-2 series components. Ensure compatibility with your assembly processes regarding thermal profiles.

Crystals Selection Notes

Select this component when a compact quartz solution is required for wearable or portable electronics. Consider the ±30 ppm tolerance and 8 pF load capacitance for circuit design matching. Evaluate the operating temperature range if the application involves extreme environmental conditions. Compare against other KX-2 series variants for potential cost or availability optimizations.

Crystals Part Context

This part belongs to the KX-2 series of super ultra-miniature quartz crystals manufactured by Geyer Electronic America, Inc. The series is specifically engineered for hearing aids, earbuds, and wireless devices. These components are known for their small size and reliability in consumer electronics.

Crystals Replacement Considerations

Consult official Geyer cross-reference lists for direct substitutes. Verify that any replacement maintains the 12.85560 MHz frequency and 8 pF load capacitance. Ensure the alternative part supports the same 4-SMD No Lead package dimensions.