QT325S-32.000MEIE-T

Overview

The QT325S-32.000MEIE-T is a surface-mount quartz crystal oscillator manufactured by QST, designed for precise timing applications. It operates at a fundamental frequency of 32 MHz with a load capacitance of 12 pF and an equivalent series resistance (ESR) typically around 50 ohms. The component features a compact 4-SMD, No Lead package with dimensions of 3.20mm x 2.50mm. Frequency stability is specified at ±10 ppm over the operating temperature range, ensuring reliable clock signal generation for digital circuits requiring high accuracy.

Feature Summary

• Provides stable 32 MHz oscillation with ±10 ppm frequency tolerance
• Compact 4-SMD surface mount footprint for automated assembly
• Designed for low power consumption in portable electronics

Applications

• Microcontroller clock sources
• Communication interface timing
• Digital signal processing systems

Procurement Notes

Verify the specific suffix MEIE-T against official QST documentation to confirm the ±10 ppm stability rating and 12 pF load capacitance. Ensure the ordering part number matches the required frequency tolerance and package type. Cross-reference with authorized distributors to obtain valid datasheets confirming electrical characteristics before procurement.

Selection Notes

Select this component when a 32 MHz reference with tight ±10 ppm stability is required in a small form factor. Compare load capacitance requirements of the host circuit against the 12 pF specification. Evaluate thermal performance and aging rates if long-term precision is critical for the application environment.

Part Context

This crystal belongs to the QT325S series, which offers various frequency options and stability grades within a standardized 3.2x2.5mm SMD package. The series supports diverse timing needs across consumer and industrial electronics, providing a balance between size constraints and performance reliability.

Replacement Considerations

Compatible substitutes include other 32 MHz crystals in 4-SMD packages with matching 12 pF load capacitance and ±10 ppm stability. Verify pin compatibility and mounting orientation when replacing. Check manufacturer datasheets for equivalent electrical parameters.