12.89048

Crystals Overview

The Geyer Electronic America, Inc. part number 12.89048 is a quartz crystal resonator operating at a fundamental frequency of 8 MHz. It features a load capacitance of 16 pF and an equivalent series resistance (ESR) of 100 Ohms. The component exhibits a frequency tolerance of ±100 ppm. It is housed in a 4-SMD, No Lead package with dimensions of 5.0 mm x 3.2 mm x 1.1 mm. This device belongs to the KX-2 series, designed for super ultra-miniature applications.

Crystals Feature Summary

• Super ultra-miniature footprint suitable for space-constrained designs
• Quartz crystal construction for stable frequency control
• Surface-mount technology compatible with automated assembly

Crystals Applications

• Hearing aids
• Earbuds
• Wireless applications

Crystals Procurement Notes

Verify the specific datasheet version for the 12.89048 part number to confirm mechanical tolerances and soldering profiles. Ensure compatibility with the target circuit's load capacitance requirements. Cross-reference the KX-2 series specifications for handling instructions. Confirm that the 4-SMD no lead package aligns with PCB layout constraints. Validate supplier authorization for genuine Geyer Electronic components.

Crystals Selection Notes

Select this component when a compact 8 MHz reference is required for portable audio or wireless devices. The 16 pF load capacitance must match the oscillator circuit design. Consider the ±100 ppm tolerance against system timing requirements. The small form factor makes it suitable for hearing aids and earbuds where size is critical. Evaluate the ESR value for drive level sensitivity.

Crystals Part Context

This part belongs to the KX-2 series from Geyer Electronic America, Inc., which specializes in super ultra-miniature quartz crystals. The series targets hearing aids, earbuds, and wireless applications requiring minimal board space. Geyer Electronic is a manufacturer of frequency control products including crystals, oscillators, and resonators. The 12.89048 designation identifies the specific 8 MHz variant within this miniature lineup.

Crystals Replacement Considerations

Consult official Geyer Electronic documentation for direct substitutes within the KX-2 series. Verify frequency, load capacitance, and package dimensions for any alternative parts. No public substitute part numbers are confirmed in the provided data.