12.87159

Crystals Overview

The Geyer Electronic America, Inc. model 12.87159 is a quartz crystal resonator operating at a fundamental frequency of 32.768 kHz. This component is housed in a super ultra-miniature SMD package with no lead construction, designed for space-constrained environments. It features a load capacitance of 12.5 pF and an equivalent series resistance (ESR) of 50 kOhms. The frequency tolerance is specified at ±20 ppm, ensuring stable timing performance for precision applications.

Crystals Feature Summary

• Super ultra-miniature footprint suitable for compact devices
• SMD no-lead construction for surface mount assembly
• Designed for hearing aids, earbuds, and wireless applications

Crystals Applications

• Hearing aids
• Earbuds
• Wireless applications

Crystals Procurement Notes

Verify the specific datasheet version and manufacturing date code upon order confirmation to ensure compliance with current specifications. Confirm that the supplier is an authorized dealer or distributor to guarantee authenticity. Check for any recent supply chain notifications regarding shipping delays or production updates from Geyer Electronic America, Inc. before finalizing procurement plans.

Crystals Selection Notes

Select this component when a low-profile, high-stability 32.768 kHz reference is required for portable audio or medical devices. The 12.5 pF load capacitance must match the oscillator circuit design. Consider the ±20 ppm tolerance against environmental temperature variations if precise long-term stability is critical for the target application.

Crystals Part Context

This part belongs to the KX-2 series of quartz crystals manufactured by Geyer Electronic America, Inc., a leading provider of frequency control products. The series is characterized by its small form factor and reliability, targeting the growing market for miniaturized consumer electronics and wearable technology where space is limited.

Crystals Replacement Considerations

Consult official substitution lists from Geyer Electronic America, Inc. for direct replacements. Ensure any alternative component matches the 32.768 kHz frequency, 12.5 pF load capacitance, and compatible SMD package dimensions to maintain board layout integrity.