12.85672

Crystals Overview

The Geyer Electronic America, Inc. model 12.85672 is a quartz crystal component designed for frequency control applications. It operates at a fundamental frequency of 25 MHz with a specified load capacitance of 18 pF and an equivalent series resistance (ESR) of 60 Ohms. The device exhibits a frequency tolerance of ±10 ppm. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.

Crystals Feature Summary

• Super ultra-miniature footprint design optimized for space-constrained environments
• Quartz construction ensuring stable frequency generation and synchronization
• Surface-mount compatible packaging for automated assembly integration

Crystals Applications

• Hearing aids
• Earbuds
• Wireless applications

Crystals Procurement Notes

Verify the specific load capacitance and ESR requirements against your circuit design before procurement. Confirm that the 4-SMD, No Lead package dimensions align with your PCB layout constraints. Ensure the ±10 ppm tolerance meets the system's clock accuracy specifications. Cross-reference the manufacturer datasheet for detailed electrical characteristics and handling instructions to guarantee proper integration.

Crystals Selection Notes

Select this component when a precise 25 MHz reference is required in miniaturized wearable or wireless devices. The 18 pF load capacitance dictates the external capacitor values needed for oscillator circuits. Consider the 60 Ohm ESR for drive level sensitivity and stability. The SMD form factor supports high-volume manufacturing. Evaluate thermal stability requirements against the standard crystal specifications provided by the manufacturer.

Crystals Part Context

This part belongs to the KX-2 series from Geyer Electronic, characterized by super ultra-miniature footprints. The series targets markets requiring high precision in small form factors, such as audio wearables and portable electronics. Geyer specializes in quartz crystals, oscillators, and resonators for accurate clock generation across various electronic sectors.

Crystals Replacement Considerations

Direct substitutes must match the 25 MHz frequency, 18 pF load capacitance, 60 Ohm ESR, and 4-SMD No Lead package. Verify tolerance grades and operating temperature ranges. Consult official distributor databases for cross-references with identical electrical and mechanical parameters.