QT2M-32.768KHZF-T

Overview

The QST QT2M-32.768KHZF-T is a surface-mount crystal oscillator designed for precise timing applications. It operates at a fundamental frequency of 32.768 kHz, a standard rate for real-time clock circuits and low-power digital systems. The component utilizes a metal can package to provide robust environmental protection and stable electrical characteristics. Key specifications include a load capacitance typically compatible with standard microcontroller interfaces and a frequency tolerance suitable for general-purpose timekeeping tasks. This device ensures reliable oscillation across specified temperature ranges.

Feature Summary

• Provides stable 32.768 kHz output for accurate timekeeping
• Utilizes hermetic metal can packaging for enhanced durability
• Designed for surface-mount assembly processes

Applications

• Real-time clock modules in consumer electronics
• Low-power embedded system timing references
• Wearable device internal clocks

Procurement Notes

Verify the specific load capacitance requirements against your circuit design before procurement. Ensure the soldering profile matches the manufacturer's recommendations for metal can packages. Confirm that the operating temperature range aligns with your application environment. Check for any specific handling instructions regarding electrostatic discharge sensitivity during storage and assembly.

Selection Notes

Select this component when a fundamental mode crystal is required for low-frequency timing. Consider the physical dimensions of the metal can package to ensure board space availability. Evaluate the frequency stability needs against the standard tolerance levels provided in the datasheet. Ensure compatibility with the drive level limits specified for the oscillator circuit.

Part Context

This part belongs to the family of surface-mount crystals offered by QST. It serves as a direct replacement for through-hole equivalents in modern compact designs. The 32.768 kHz frequency is chosen for its binary divisibility, making it ideal for generating one-second intervals in digital counters. The metal construction distinguishes it from ceramic resonators, offering higher Q-factor performance.

Replacement Considerations

• QT2M-32.768KHZF

FAQ

What is the primary advantage of the metal can package?

The metal can provides superior hermetic sealing compared to plastic packages, protecting the quartz element from moisture and contaminants.

Is this component suitable for high-vibration environments?

Yes, the rigid metal construction offers better mechanical stability under vibration compared to some ceramic alternatives.