QT325G-19.200MEEJ-T

Overview

The QT325G-19.200MEEJ-T is a quartz crystal resonator manufactured by QST, designed for precision timing applications. It operates at a fundamental frequency of 19.2 MHz and utilizes an SMD package with dimensions of 3.2 mm x 2.5 mm. The component features a load capacitance of 18 pF and an equivalent series resistance (ESR) of 60 ohms. It is housed in a 4-lead surface mount configuration, ensuring reliable performance across standard operating temperature ranges suitable for consumer electronics and communication devices.

Feature Summary

• Compact surface-mount design optimized for automated assembly processes
• Stable oscillation characteristics with low phase noise performance
• Robust construction suitable for high-volume manufacturing environments

Applications

• Clock generation for microcontrollers and digital signal processors
• Timing reference for wireless communication modules
• Synchronization circuits in portable electronic devices

Procurement Notes

Verify the specific suffix codes against official QST documentation to ensure compatibility with required load capacitance and frequency tolerance specifications. Confirm that the selected variant meets the thermal and mechanical requirements of the target application environment before finalizing procurement orders.

Selection Notes

Select this component based on the required 19.2 MHz frequency and 18 pF load capacitance. Ensure the PCB layout accommodates the 3.2x2.5 mm footprint and that the circuit design supports the specified 60 ohm ESR for stable oscillation startup conditions.

Part Context

This part belongs to QST's general-purpose quartz crystal resonator lineup, focusing on cost-effective solutions for mass-market electronics. It complements other SMD crystals in the portfolio by providing a standardized form factor for common clock frequencies used in embedded systems.

Replacement Considerations

Consult QST official substitution lists for direct equivalents. Verify pin compatibility and electrical parameters when considering alternative manufacturers.