QT252S-26.000MDIE-T

Overview

The QT252S-26.000MDIE-T is a quartz crystal resonator manufactured by QST, designed for surface-mount applications. It features a 2.5x2.0 mm seam seal package with four ceramic pads. The component operates at a fundamental frequency of 26.000 MHz. It maintains a frequency tolerance of +/-20 ppm at 25°C and +/-20 ppm across the industrial temperature range of -40°C to +85°C. The device requires a load capacitance of 10 pF for proper circuit integration.

Feature Summary

• Utilizes a compact 2.5x2.0 mm seam seal package for space-constrained designs
• Provides stable frequency performance within +/-20 ppm tolerance across industrial temperatures
• Features a four-pad ceramic construction for reliable surface-mount assembly

Applications

• Clock signal generation in digital communication modules
• Timing reference sources for microcontroller-based systems
• Frequency standards for consumer electronic devices

Procurement Notes

Verify the manufacturer designation as QST or TXC Corporation, as both entities produce this series. Confirm the specific suffix MDIE-T matches the required 26.000 MHz frequency and 10 pF load capacitance. Ensure the package dimensions align with the 2.5x2.0 mm footprint requirements of the target PCB layout before finalizing orders.

Selection Notes

Select this component when a small form factor is critical for the design. The +/-20 ppm stability is suitable for general-purpose timing applications rather than high-precision radio frequency references. Consider the 10 pF load capacitance requirement to ensure accurate oscillator circuit tuning and avoid frequency deviation during operation.

Part Context

This part belongs to the QT252S series of surface-mount quartz crystals. The series offers various frequencies and tolerances within a standardized 2.5x2.0 mm package. Similar parts in the lineup include variants with different frequency outputs and temperature stabilities, allowing designers to choose based on specific performance needs while maintaining consistent mechanical dimensions.

Replacement Considerations

Direct substitutes may include other manufacturers offering equivalent 2.5x2.0 mm seam seal crystals with 26.000 MHz frequency and +/-20 ppm tolerance. Verify that any replacement part matches the 10 pF load capacitance specification. Mechanical compatibility must be confirmed to ensure the new component fits the existing footprint without altering solder mask or paste stencil designs.