QT325G-24.000MEEV-T

Overview

The QT325G-24.000MEEV-T is a surface-mount crystal oscillator manufactured by QST, operating at a fundamental frequency of 24 MHz. It utilizes a 4-SMD, No Lead package with dimensions of 3.2mm x 2.5mm. The component features a load capacitance of 8pF and an equivalent series resistance (ESR) of 60 Ohms. Frequency stability is specified at ±10 ppm over the temperature range of -20°C to +70°C. This device serves as a precise timing reference for embedded systems requiring compact form factors and stable clock signals.

Feature Summary

• Compact surface-mount design suitable for space-constrained PCB layouts
• High frequency stability ensuring reliable timing performance across industrial temperature ranges
• Low equivalent series resistance for efficient circuit integration

Applications

• Microcontroller clock sources in embedded systems
• Communication module timing references
• Consumer electronics internal clocks
• Industrial control system oscillators

Procurement Notes

Verify the specific suffix codes against official QST documentation to confirm exact stability and temperature ratings. Ensure compatibility with existing PCB footprint and soldering profiles. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Confirm load capacitance requirements match the target circuit design before procurement.

Selection Notes

Select this component when a 24 MHz fundamental frequency is required within a 3.2x2.5mm SMD package. Consider the ±10 ppm stability specification for applications demanding precise timing accuracy. Evaluate the 8pF load capacitance requirement against the MCU or oscillator circuit input specifications. Assess thermal environment constraints to ensure operation within the -20°C to +70°C rated range.

Part Context

This part belongs to the QT325G series of surface-mount crystals from QST, designed for general-purpose timing applications. The series offers various frequency options and stability grades, catering to diverse embedded market needs. The QT325G line emphasizes miniaturization and reliability, supporting modern electronic designs that require robust clock generation in small footprints.

Replacement Considerations

Direct replacements must match the 24 MHz frequency, 3.2x2.5mm package, 8pF load capacitance, and ±10 ppm stability. Verify pinout compatibility and electrical characteristics such as ESR. Consult manufacturer substitution guides for cross-referenced parts with identical functional parameters.