QT49S-11.0592MAGK-T

Overview

The QST QT49S-11.0592MAGK-T is a fundamental mode quartz crystal resonator operating at 11.0592 MHz. It features a frequency stability of ±50 ppm within the -20°C to +70°C temperature range and ±30 ppm across the extended -40°C to +85°C range. The component utilizes an HC-49/US package with a load capacitance of 20pF and an equivalent series resistance (ESR) of 40 Ohms. Designed for surface mount applications, it supports base harmonic operation modes.

Feature Summary

• HC-49/US surface mount package design
• Fundamental mode quartz resonance
• Extended industrial temperature capability

Applications

• Microcontroller clock sources
• Communication interface timing
• Industrial control systems

Procurement Notes

Verify the specific suffix 'MAGK' against official QST documentation to confirm the exact frequency tolerance and temperature range specifications. Ensure the required load capacitance matches the target circuit design parameters before procurement. Cross-reference the datasheet for mechanical dimensions and soldering recommendations.

Selection Notes

Select this component when a standard HC-49/US form factor is required in a surface mount configuration. Consider the ±50 ppm or ±30 ppm stability options based on the system's timing accuracy requirements. Evaluate the 20pF load capacitance compatibility with the host oscillator circuit.

Part Context

This part belongs to the QST QT49S series of surface mount crystals. The series offers various frequencies and stability grades within the HC-49/US footprint, providing a drop-in replacement option for through-hole designs while saving PCB space.

Replacement Considerations

QT49S-11.0592MAHJ-T: Offers ±30ppm stability with 18pF load capacitance. QT49S-11.0592MBBK-T: Features ±50ppm stability with 20pF load capacitance.