QT325G-11.2896MAHE-T

Overview

The QT325G-11.2896MAHE-T is a surface-mount crystal oscillator manufactured by QST, designed for precision timing applications. It operates at a fundamental frequency of 11.2896 MHz with a frequency tolerance of ±30 ppm across the -20°C to +70°C temperature range. The component features a load capacitance of 12 pF and an equivalent series resistance (ESR) of 150 Ohms. It is housed in a compact 4-SMD, no-lead package, suitable for automated assembly processes in space-constrained electronic designs.

Feature Summary

• Provides stable frequency generation within specified industrial temperature limits
• Utilizes a leadless surface-mount form factor for efficient PCB integration
• Engineered for low power consumption in portable and battery-operated systems

Applications

• Clock sources for microcontrollers and digital signal processors
• Timing references in communication modules and network interfaces
• Frequency standards for consumer electronics and IoT devices

Procurement Notes

Verify the specific suffix codes against official QST documentation to ensure accurate frequency tolerance and temperature range specifications. Confirm that the 4-SMD package dimensions align with your PCB footprint requirements. Check for RoHS compliance status if required by your manufacturing standards. Ensure compatibility with standard reflow soldering profiles for leadless components.

Selection Notes

Select this component when a precise 11.2896 MHz reference is required for digital logic or communication protocols. Consider the ±30 ppm tolerance relative to system clock accuracy needs. Evaluate the 12 pF load capacitance against the oscillator circuit design parameters. Assess the 150 Ohm ESR to ensure stability within the intended application environment.

Part Context

This part belongs to the QT325G series of surface-mount crystals from QST. The series offers various frequency options and tolerance grades, identified by suffix letters such as 'A' for ±30 ppm (-20°C to +70°C). The 'T' suffix typically indicates tape-and-reel packaging for high-volume automated production.

Replacement Considerations

Direct substitutes must match the 11.2896 MHz frequency, 12 pF load capacitance, and 4-SMD no-lead package. Verify equivalent ESR values and temperature stability ranges. Cross-reference pinout and mechanical dimensions to ensure board compatibility without redesign.