18QHTF21-55.46667-OE

Overview

The 18QHTF21-55.46667-OE is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a fundamental frequency of 55.46667 MHz. This component utilizes HC-49/U package dimensions and is designed for surface mount or through-hole integration depending on the specific variant configuration. The device provides stable clock signals for digital circuits requiring precise timing references.

Feature Summary

• Provides stable oscillation at specified fundamental frequency
• Utilizes standard HC-49/U form factor for compatibility
• Designed for reliable performance in digital timing applications

Applications

• Digital clock generation circuits
• Microcontroller system timing references
• Communication interface synchronization

Procurement Notes

Verify exact electrical parameters including load capacitance and stability specifications against the official datasheet before procurement. Confirm package type and pin configuration match the target PCB layout requirements to ensure proper integration and functionality.

Selection Notes

Select this component based on the required operating frequency of 55.46667 MHz and compatible package constraints. Ensure the application environment meets the specified temperature range and load conditions defined in the manufacturer documentation for optimal performance.

Part Context

This part belongs to Mercury Electronics' line of quartz crystal oscillators, offering fundamental mode operation within the HC-49/U series. It serves as a passive timing element essential for establishing accurate clock cycles in various electronic systems requiring precise frequency control.

Replacement Considerations

Consult official substitution lists for direct equivalents. Verify that any replacement maintains identical frequency, package dimensions, and electrical characteristics to ensure circuit compatibility without redesign.