18QHTF21-2.768-PD

Oscillators Overview

The 18QHTF21-2.768-PD is a quartz crystal resonator manufactured by Mercury Electronics Ind. Co. Ltd, designed for precise frequency control in electronic circuits. It operates at a fundamental frequency of 2.768 MHz and utilizes a parallel resonant mode configuration. The component features a through-hole mounting style with a dual inline package (DIP) form factor, specifically the 18QHTF21 series housing. Electrical characteristics include a specified load capacitance and equivalent series resistance typical for this class of resonators, ensuring stable oscillation within designated temperature ranges as defined by manufacturer specifications.

Oscillators Feature Summary

• Provides stable frequency generation at 2.768 MHz using quartz resonance technology
• Designed for through-hole integration into printed circuit boards via standard DIP footprint
• Optimized for parallel resonant operation to support oscillator circuit stability

Oscillators Applications

• Microcontroller clock sources requiring precise timing references
• Communication equipment local oscillators
• Industrial control system timing modules

Oscillators Procurement Notes

Verify the specific load capacitance requirements against your oscillator circuit design before procurement. Confirm that the operating temperature range aligns with your application environment. Ensure the mechanical dimensions of the 18QHTF21 package fit within your PCB layout constraints. Cross-reference the datasheet parameters for tolerance and aging rates to guarantee long-term reliability in your specific deployment scenario.

Oscillators Selection Notes

Select this component when a fundamental mode quartz resonator at 2.768 MHz is required for through-hole assembly. Consider the package size and lead spacing compatibility with your manufacturing process. Evaluate the electrical parameters such as ESR and load capacitance against your oscillator's driving level and stability requirements. Ensure the frequency tolerance meets the system's timing accuracy needs.

Oscillators Part Context

This part belongs to Mercury Electronics' 18QHTF21 series of quartz crystal resonators. The series is characterized by its robust construction and suitability for general-purpose timing applications. The model number indicates specific electrical and mechanical attributes unique to this 2.768 MHz variant within the broader product line.

Oscillators Replacement Considerations

Consult official cross-reference lists or manufacturer substitution guides for verified alternative part numbers. Ensure any substitute matches the frequency, package type, and electrical specifications exactly.