QT532G-8.000MAHJ-T

Overview

The QT532G-8.000MAHJ-T is a quartz crystal resonator manufactured by QST, designed for surface-mount applications. It operates at a fundamental frequency of 8 MHz with a load capacitance of 18 pF and an equivalent series resistance of 80 Ohms. The component utilizes a glass-sealed package with dimensions of 5.0 x 3.2 mm. Frequency stability is rated at ±30 ppm across the industrial temperature range of -40°C to +85°C, ensuring reliable timing performance in electronic circuits requiring precise clock signals.

Feature Summary

• Glass-sealed construction for enhanced environmental protection
• Surface-mount design compatible with automated assembly processes
• Industrial-grade temperature stability for consistent operation

Applications

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

Procurement Notes

Verify that the specific suffix matches the required stability grade and packaging configuration. Confirm the manufacturer designation aligns with project specifications, as similar part numbers may exist from different vendors. Ensure the load capacitance requirement of the target circuit matches the 18 pF specification to maintain accurate frequency performance.

Selection Notes

Select this component when a compact, glass-sealed quartz crystal is required for 8 MHz applications. It is suitable for designs needing ±30 ppm stability over a wide temperature range. Consider the 80 Ohm ESR and 18 pF load capacitance when designing the oscillator circuit to ensure proper startup and frequency accuracy.

Part Context

This part belongs to the QT532G series of quartz crystals, characterized by their small footprint and robust sealing. The series offers various frequency options while maintaining consistent mechanical dimensions. The 'G' suffix typically denotes specific stability and temperature characteristics within the product line.

Replacement Considerations

Direct substitutes include other manufacturers' 8 MHz crystals with identical 5.0x3.2mm dimensions, 18pF load capacitance, and ±30ppm stability. Verify pin compatibility and electrical parameters before substitution.