12.85529

Crystals Overview

The Geyer Electronic America, Inc. model 12.85529 is a frequency control crystal component designed for precision timing applications. This specific part operates at a fundamental frequency of 12.85529 MHz with a tolerance of ±10 ppm. It features a load capacitance of 9 pF and an equivalent series resistance (ESR) of 80 Ohms. The device is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes. As a Class III Life Supporting Device, it serves as a critical reference for clock generation in electronic systems requiring stable frequency sources.

Crystals Feature Summary

• Provides precise frequency stability with ±10 ppm tolerance for accurate timing references
• Utilizes a low-profile 4-SMD No Lead package for automated surface-mount integration
• Engineered as a Class III Life Supporting Device for reliable operation in critical circuits

Crystals Applications

• Frequency control in microcontroller-based systems
• Clock signal generation for digital logic circuits
• Timing references in communication modules

Crystals Procurement Notes

Verify the exact frequency specification of 12.85529 MHz against system requirements before procurement. Confirm that the 9 pF load capacitance matches the oscillator circuit design to ensure proper oscillation. Ensure compatibility with the 4-SMD No Lead footprint on the printed circuit board. Check for any specific handling requirements due to its classification as a life supporting device.

Crystals Selection Notes

Select this component when a precise 12.85529 MHz reference is required with tight ±10 ppm tolerance. Consider the 80 Ohm ESR value for oscillator circuit stability. The 4-SMD No Lead package is ideal for high-density PCB layouts. Evaluate the 9 pF load capacitance requirement against the host oscillator's internal capacitance settings.

Crystals Part Context

This crystal belongs to the broader category of quartz frequency control products manufactured by Geyer Electronic. These components are essential for maintaining timekeeping accuracy and data synchronization in various electronic devices. The manufacturer specializes in providing reliable quartz crystals and resonators for industrial and commercial applications.

Crystals Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. When replacing this component, ensure the new part matches the 12.85529 MHz frequency, ±10 ppm tolerance, 9 pF load capacitance, and 4-SMD No Lead package dimensions.