12.9421

Overview

The 12.9421 is a quartz crystal resonator manufactured by Geyer Electronic America, Inc., designed for precise clock generation and synchronization in electronic circuits. This component belongs to the broader category of frequency control products, including oscillators and ceramic resonators, which are engineered to provide stable timing signals. The device operates at a nominal frequency of 12.9421 MHz, serving as a fundamental timing element for microcontrollers, communication interfaces, and digital systems requiring accurate frequency references.

Feature Summary

• Provides stable frequency reference for clock generation
• Supports accurate synchronization in digital systems
• Engineered for reliable long-term performance

Applications

• Microcontroller clock sources
• Communication interface timing
• Digital system synchronization

Procurement Notes

Verify the specific package type and load capacitance requirements against your circuit design before procurement. Confirm that the manufacturer's datasheet specifications match your application's tolerance and stability needs. Ensure compatibility with your PCB layout constraints. Contact authorized distributors for current availability and lead times, as supply chain conditions may vary. Validate part authenticity through official channels.

Selection Notes

Select this component based on its fixed frequency output and suitability for standard crystal oscillator circuits. Consider the required load capacitance and equivalent series resistance for proper circuit operation. Evaluate the package size against available board space. Ensure the operating temperature range meets your environmental specifications. Compare performance metrics with alternative timing devices if higher stability or lower power consumption is required.

Part Context

Geyer Electronic America, Inc. is a recognized manufacturer of frequency control products, including quartz crystals, oscillators, and ceramic resonators. The company has served the global electronics industry for decades, providing timing solutions for various applications. The 12.9421 model represents their standard crystal offerings, designed to meet common industry frequency standards for digital timing applications.

Replacement Considerations

Consult official cross-reference lists from Geyer Electronic or authorized distributors for verified substitute part numbers. Ensure any replacement matches the original frequency, package dimensions, and electrical characteristics. Verify that alternative components meet the same quality and reliability standards required for your specific application.