QT325G-12.288MAHV-T

Overview

The QT325G-12.288MAHV-T is a quartz crystal resonator manufactured by QST, designed for surface-mount applications. It operates at a nominal frequency of 12.288 MHz with a load capacitance of 8 pF and an equivalent series resistance (ESR) of 100 Ohms maximum. The component utilizes a 4-SMD, No Lead package configuration. Frequency tolerance is specified at ±30 ppm at 25°C and ±30 ppm across the operating temperature range of -40°C to +85°C. This part is engineered for automotive-grade reliability standards.

Feature Summary

• Automotive-grade quartz crystal construction
• Surface-mount 4-SMD no lead package design
• High stability frequency performance

Applications

• Automotive electronic systems
• Microcontroller clock sources
• Communication interface modules

Procurement Notes

Verify the specific suffix HV against official QST documentation to confirm the exact temperature range and tolerance specifications. Ensure compatibility with automated pick-and-place equipment due to the no-lead SMD form factor. Cross-reference the load capacitance requirements with the target circuit design to maintain frequency accuracy.

Selection Notes

Select this component when automotive qualification is required for clock generation circuits. The 12.288 MHz frequency is suitable for baud rate generation in serial communication protocols. Consider the 8 pF load capacitance requirement when designing the oscillator circuit trace layout and matching network.

Part Context

This model belongs to the QT325G series of quartz crystals from QST. The series offers various frequency and tolerance options tailored for consumer and industrial electronics. The QT325G line emphasizes compact size and reliable performance in space-constrained designs.

Replacement Considerations

QT325G-12.288MEEV-T: Offers ±10 ppm tolerance but may differ in temperature range or package specifics.