12.8558

Crystals Overview

The Geyer Electronic America, Inc. model 12.8558 is a surface-mount quartz crystal oscillator designed for precision frequency control applications. This component operates at a nominal frequency of 50 MHz with a load capacitance of 8 pF and an equivalent series resistance of 80 Ohms. The device features a tolerance of ±15 ppm and is housed in a super ultra-miniature footprint suitable for space-constrained designs. It is part of the KX-2 series, engineered for high reliability in compact electronic systems.

Crystals Feature Summary

• Super ultra-miniature footprint optimized for space-constrained designs
• Surface-mount construction for automated assembly processes
• Precision frequency stability suitable for timing-critical applications

Crystals Applications

• Hearing aids
• Earbuds
• Wireless communication devices

Crystals Procurement Notes

Verify the specific suffix code against the manufacturer's official datasheet to ensure correct frequency and tolerance specifications. Confirm that the package type matches the required PCB layout dimensions. Check for any recent updates to the product lifecycle status or recommended replacement parts before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 50 MHz reference signal is required in a miniature form factor. Ensure the application environment supports the specified operating temperature range. Verify that the load capacitance requirements of the host circuit align with the 8 pF specification to maintain accurate frequency performance.

Crystals Part Context

This part belongs to the KX-2 series from Geyer Electronic, which specializes in super ultra-miniature quartz crystals. The series is targeted at markets requiring small footprints and high reliability, such as medical audio devices and portable wireless electronics. Geyer Electronic is a recognized manufacturer of frequency control products including crystals and oscillators.

Crystals Replacement Considerations

Consult the official Geyer Electronic catalog for direct substitutes within the KX-2 series. Verify compatibility regarding frequency, load capacitance, and physical dimensions before substituting.