QT252S-26.000MAHE-T

Overview

The QT252S-26.000MAHE-T is a surface-mount quartz crystal manufactured by QST Products, LLC. It operates at a fundamental frequency of 26 MHz and utilizes a seam seal package with four solder pads. The component measures 2.5 mm by 2.0 mm with a height of 0.55 mm. It features a load capacitance of 10 pF and provides a frequency stability of ±30 ppm across the operating temperature range of -40°C to +85°C.

Feature Summary

• Seam sealed construction for environmental protection
• Surface mount design with four solder pads
• Wide operating temperature range capability

Applications

• Microcontroller clock sources
• Communication module timing references
• Consumer electronics oscillators

Procurement Notes

Verify the manufacturer designation carefully, as this specific part number appears in catalogs associated with QST Products, LLC, while similar variants are listed under TXC Corporation. Confirm the exact load capacitance and stability specifications against the official datasheet before integration. Ensure the package dimensions match the target PCB footprint requirements.

Selection Notes

Select this component when a 26 MHz reference signal is required within a compact 2.5x2.0 mm footprint. The ±30 ppm stability suits general-purpose digital circuits where high precision is not critical. Verify compatibility with the circuit's load capacitance requirements, as this unit specifies 10 pF.

Part Context

This crystal belongs to the QT252S series of small surface-mount quartz resonators. The series offers various frequencies and stability grades. This specific variant targets applications needing a 26 MHz output with standard industrial temperature tolerance.

Replacement Considerations

QT252S-26.000MDHQ-T is a documented alternative with different stability ratings. Other frequencies in the QT252S series may serve if the system allows frequency adjustment.