18QHTF21-15.9744-OE

Oscillators Overview

The 18QHTF21-15.9744-OE is a quartz crystal resonator manufactured by Mercury Electronics Ind. Co. Ltd, designed for stable frequency generation in electronic circuits. This component operates at a fundamental frequency of 15.9744 MHz and utilizes an AT-cut quartz resonator element housed within a hermetically sealed metal can package. The device features two mounting holes for secure mechanical integration into printed circuit boards or chassis assemblies. It is engineered to provide high stability and low phase noise characteristics suitable for precision timing applications requiring reliable oscillation performance under varying environmental conditions.

Oscillators Feature Summary

• Hermetically sealed metal can construction ensures long-term reliability and protection against environmental contaminants
• AT-cut quartz resonator design provides superior frequency stability over temperature variations
• Dual mounting hole configuration allows for robust mechanical fixation in demanding applications

Oscillators Applications

• Precision clock generation systems
• Oscillator circuits requiring high stability
• Telecommunications equipment timing references

Oscillators Procurement Notes

Verify the exact part number including suffixes against official manufacturer documentation before procurement. Confirm that the specific ordering code matches the required electrical specifications and physical dimensions. Ensure compatibility with existing board layouts and mounting requirements. Check for any recent updates to the datasheet regarding pin configurations or recommended soldering profiles. Validate that the supplier is an authorized distributor to guarantee authenticity and traceability of the components.

Oscillators Selection Notes

Select this component when high-frequency stability and environmental durability are critical requirements. Consider the physical size constraints imposed by the metal can package and mounting hole spacing. Evaluate the operating temperature range to ensure it aligns with the intended application environment. Assess the load capacitance requirements of the oscillator circuit to match the specified parameters. Review the aging rate specifications if long-term frequency accuracy is essential for the system design.

Oscillators Part Context

This crystal resonator belongs to Mercury Electronics' line of standard frequency control devices. It is commonly used in industrial and commercial electronics where reliable timing signals are necessary. The product represents a traditional through-hole technology solution, contrasting with modern surface-mount alternatives. Its design prioritizes mechanical strength and hermetic sealing over miniaturization, making it suitable for legacy systems or harsh environments.

Oscillators Replacement Considerations

Direct replacements must match the 15.9744 MHz frequency, AT-cut type, and metal can package dimensions. Verify equivalent load capacitance and drive level specifications. Cross-reference with other manufacturers offering similar hermetically sealed crystals. Ensure mounting hole patterns are compatible to avoid PCB redesign. Consult official substitution lists from Mercury Electronics for approved alternative part numbers.