12.89008

Crystals Overview

The Geyer Electronic America, Inc. model 12.89008 is a fundamental mode quartz crystal resonator designed for surface-mount applications. It operates at a nominal frequency of 14.31818 MHz with a tolerance of ±50 ppm and stability of ±50 ppm. The component features a load capacitance of 16 pF and an equivalent series resistance of 100 Ohms. It utilizes a 4-pad SMD package without leads, suitable for automated assembly processes. The device is rated for an operating temperature range of -20°C to +70°C, ensuring reliable performance in standard commercial environments.

Crystals Feature Summary

• Fundamental mode quartz crystal operation for precise frequency control
• Surface-mount design with four contact pads for board integration
• Standard 16 pF load capacitance compatibility
• Operating temperature range supporting commercial applications

Crystals Applications

• Hearing aids
• Earbuds
• Wireless communication devices

Crystals Procurement Notes

Verify the specific ordering suffix required for tape-and-reel packaging if high-volume production is intended. Confirm that the 4-pad SMD footprint matches the target PCB layout dimensions. Ensure the ±50 ppm tolerance meets the system clock accuracy requirements. Check current manufacturer lead times as order volumes may impact delivery schedules. Validate that the 100 Ohm ESR is compatible with the oscillator circuit design.

Crystals Selection Notes

Select this component when a 14.31818 MHz reference is needed in a compact surface-mount form factor. The KX-9A series offers a super ultra-miniature footprint ideal for space-constrained portable electronics. Consider the -20°C to +70°C range against environmental conditions. Compare load capacitance requirements with existing oscillator designs. Evaluate the fundamental mode characteristics against higher-order modes if available.

Crystals Part Context

This part belongs to the KX-2 series of quartz crystals from Geyer Electronic America, Inc., characterized by a super ultra-miniature footprint. The series targets miniaturized consumer electronics where size is critical. The 12.89008 designation specifically identifies the 14.31818 MHz variant within this family. It complements other frequency control products like oscillators and ceramic resonators offered by the manufacturer.

Crystals Replacement Considerations

Public confirmed substitute part numbers are not provided in the available documentation.