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The Geyer Electronic America, Inc. part number 12.9447 is a surface-mount crystal oscillator (XO) designed for frequency control applications. This component operates at a fundamental frequency of 18.4320 MHz and utilizes an SMD package configuration. The device is RoHS compliant, ensuring adherence to environmental standards for restricted substances. It functions within a temperature range of -40°C to +85°C, supporting industrial operating conditions. The oscillator provides stable clock signals for digital circuits requiring precise timing references.
Verify the specific datasheet version for the 12.9447 part number to confirm exact pinout and electrical tolerances. Ensure compatibility with the target application's voltage supply requirements. Confirm that the surface mount footprint matches the design layout. Check for any specific handling instructions regarding electrostatic discharge sensitivity during installation.
Select this component when a fixed 18.4320 MHz output is required in a compact surface mount form factor. Consider the -40°C to +85°C operating range for suitability in industrial environments. Evaluate space constraints on the PCB to ensure the SMD package fits the available area. Compare load capacitance requirements against the host circuit design to maintain frequency accuracy.
Geyer Electronic America, Inc. specializes in frequency control products, including quartz crystals, oscillators, and ceramic resonators. The company has served the global market for over 50 years, focusing on reliability and precision. The 12.9447 falls within their portfolio of standard surface-mount oscillators used for general-purpose timing applications.
Consult official Geyer Electronic documentation for direct cross-reference part numbers. Verify equivalent specifications from other manufacturers if substitution is necessary, ensuring matching frequency, package type, and operating temperature range.