18QHTF21-7.7328-OE

Overview

The Mercury Electronics 18QHTF21-7.7328-OE is a quartz crystal unit designed for oscillator applications. It operates at a fundamental frequency of 7.7328 MHz. The component utilizes a surface mount package configuration suitable for automated assembly processes. Electrical characteristics include a specified load capacitance and equivalent series resistance values defined by the manufacturer's standard specifications for this frequency range. The device ensures stable frequency generation within defined temperature operating limits.

Feature Summary

• Provides precise frequency stability for clock signal generation in electronic circuits
• Utilizes a compact surface mount design for efficient PCB integration
• Engineered to maintain performance across specified industrial temperature ranges

Applications

• General purpose clock sources for microcontrollers
• Timing references for communication interfaces
• Frequency standards for consumer electronics devices

Procurement Notes

Verify the exact load capacitance requirements against your circuit design before ordering. Confirm that the package dimensions match your footprint constraints. Ensure the operating temperature range meets your environmental specifications. Request the latest datasheet from the manufacturer or authorized distributor to confirm electrical parameters and mechanical drawings. Validate part authenticity through official supply chain channels.

Selection Notes

Choose this component when a specific frequency of 7.7328 MHz is required for system timing. Consider the package type compatibility with your assembly equipment. Evaluate the load capacitance needs of your oscillator circuit to ensure proper frequency accuracy. Assess the temperature stability requirements of your application environment. Compare alternative frequencies if the exact value is not critical for your design.

Part Context

This crystal belongs to Mercury Electronics' line of surface mount quartz resonators. These components are commonly used in digital systems requiring reliable clock signals. The model number indicates specific electrical and mechanical attributes unique to this variant. Similar parts in the series may offer different frequencies or package styles while maintaining consistent quality standards.

Replacement Considerations

Direct substitutes must match the 7.7328 MHz frequency and compatible package dimensions. Verify equivalent electrical parameters such as load capacitance and ESR. Check temperature range specifications to ensure adequate performance. Consult manufacturer cross-reference lists for approved alternatives. Ensure pinout and mounting compatibility if physical replacement is necessary.