18QHTF21-112.440-OE

Overview

The 18QHTF21-112.440-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 112.440 MHz, providing precise timing signals essential for high-speed digital systems and communication interfaces. It utilizes a hermetically sealed metal package to ensure long-term reliability and protection against environmental factors such as moisture and contamination. The device is engineered to meet stringent industry standards for frequency stability and aging characteristics, making it suitable for applications requiring consistent performance over varying temperature ranges.

Feature Summary

• Hermetically sealed metal package construction ensures robust environmental protection and long-term reliability.
• Engineered for high-frequency stability with precise control of aging characteristics for consistent performance.
• Designed to support high-speed digital signal processing and communication interface requirements.

Applications

• High-speed digital communication systems
• Precision timing circuits in telecommunications equipment
• Clock generation modules for data processing units

Procurement Notes

Verify the specific ordering suffix and packaging configuration directly with the manufacturer or authorized distributors to ensure compatibility with your assembly process. Confirm that the requested part matches the exact frequency tolerance and load capacitance specifications required by your circuit design. Request official datasheets and test reports to validate performance metrics before finalizing procurement decisions.

Selection Notes

Select this component based on its specific operating frequency of 112.440 MHz and the requirement for hermetic sealing in harsh environments. Ensure that the circuit design accommodates the electrical parameters defined in the official datasheet, including equivalent series resistance and load capacitance. Consider the physical dimensions and mounting style to verify fit within the designated PCB layout constraints.

Part Context

This quartz crystal resonator belongs to Mercury Electronics' line of high-frequency components, targeting applications where precision timing is critical. The model number indicates a specific frequency and package type within their catalog. These components are typically used in conjunction with oscillator circuits to provide stable clock signals for microprocessors, FPGAs, and other digital logic devices requiring accurate synchronization.

Replacement Considerations

Consult official cross-reference lists provided by Mercury Electronics or authorized distributors for verified substitute part numbers. Ensure any replacement maintains identical frequency, package dimensions, and electrical characteristics. Verify that alternative sources offer equivalent quality certifications and testing standards to guarantee system reliability.