QT49S-16.9344MAGE-T

Overview

The QT49S-16.9344MAGE-T is a surface-mount crystal oscillator manufactured by QST, operating at a fundamental frequency of 16.9344 MHz. It features a load capacitance of 12 pF and an equivalent series resistance of 30 Ohms. The component exhibits a frequency stability of ±30 ppm and ±50 ppm. Designed for HC49 SMD packaging, it supports lead-free assembly and complies with RoHS standards. This active device is engineered for precise timing applications requiring stable oscillation in compact electronic circuits.

Feature Summary

• Surface-mount design compatible with automated PCB assembly processes
• Fundamental mode operation ensuring stable oscillation characteristics
• RoHS compliant construction supporting environmentally safe manufacturing

Applications

• Digital clock signal generation in microcontroller systems
• Communication interface timing references
• Embedded system oscillator circuits

Procurement Notes

Verify the specific suffix MAGE-T against official QST documentation to confirm surface-mount configuration and tolerance specifications. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Cross-reference part numbers with authorized distributors to validate authenticity and current production status before procurement.

Selection Notes

Select this component when a 16.9344 MHz fundamental frequency is required for digital timing applications. Consider the 12 pF load capacitance and 30 Ohm ESR for circuit matching. Verify that the surface-mount package fits the available board space and thermal requirements compared to through-hole alternatives.

Part Context

This model belongs to the QT49S series of quartz crystals from QST. The series offers various frequencies and packages tailored for consumer electronics and industrial control systems. The HC49 SMD form factor provides a balance between size reduction and performance reliability compared to traditional axial leads.

Replacement Considerations

Direct substitutes must match the 16.9344 MHz frequency, 12 pF load capacitance, and surface-mount package dimensions. Verify equivalent electrical parameters such as ESR and stability ratings. Consult manufacturer cross-reference lists for confirmed interchangeable part numbers.