QT252S-19.200MEAE-T

Overview

The QT252S-19.200MEAE-T is a quartz crystal resonator manufactured by QST, operating at a fundamental frequency of 19.2 MHz. It features a load capacitance of 8 pF and is housed in a compact 4-SMD, No Lead package with dimensions of 2.5 x 2.0 x 0.55 mm. The component provides a frequency tolerance of ±10 ppm and a stability of ±20 ppm over the specified temperature range.

Feature Summary

• Compact surface-mount design suitable for space-constrained PCB layouts
• High frequency stability ensuring reliable timing performance
• Lead-free construction compliant with environmental standards

Applications

• Microcontroller clock sources
• Communication module timing references
• Digital signal processing circuits

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct load capacitance and tolerance specifications. Confirm that the package type matches the intended footprint on the printed circuit board. Cross-reference the part number with authorized distributors to validate authenticity and supply chain integrity before finalizing procurement orders.

Selection Notes

Select this component when a precise 19.2 MHz reference is required for digital systems. Ensure the application environment stays within the specified temperature range to maintain the stated frequency stability. Consider the low profile of the no-lead package for assembly compatibility with standard SMT processes and reflow soldering profiles defined in the product documentation.

Part Context

This part belongs to the QT252S series of ultra-small quartz crystals from QST. The series is designed for portable electronics and high-density applications where minimal board area is critical. Similar variants in the family offer different frequencies and package options while maintaining consistent electrical characteristics and reliability standards.

Replacement Considerations

Direct substitutes include other 19.2 MHz crystals in 4-SMD packages with identical 8 pF load capacitance. Verify pinout compatibility and mechanical dimensions before swapping. Alternative brands may require adjustments to layout or loading capacitors if their equivalent parameters differ slightly.