QT49S-11.2896MAGK-T

Overview

The QST QT49S-11.2896MAGK-T is a surface-mount MHz crystal operating at 11.2896 MHz in the HC-49 package. It features a load capacitance of 20pF and frequency tolerance of ±30ppm. The component supports base mode operation with an ESR of 50 Ohms. Operating temperature range is -20°C to +70°C. Dimensions are 12.7mm x 4.8mm x 3.8mm.

Feature Summary

• Surface-mount design for automated assembly
• HC-49 package form factor
• Base mode quartz resonance

Applications

• Clock signal generation in embedded systems
• Microcontroller timing references
• Communication interface synchronization

Procurement Notes

Verify exact specifications against official QST datasheets before integration. Confirm package dimensions and electrical parameters match design requirements. Check RoHS compliance status for regulatory adherence. Ensure supply chain availability through authorized distributors only.

Selection Notes

Select this component when a 20pF load capacitance is required for circuit stability. Consider the ±30ppm tolerance for applications with moderate frequency accuracy needs. Verify compatibility with PCB layout constraints due to specific package dimensions.

Part Context

Part of the QT49S series from QST, designed for general-purpose timing applications. The series offers various frequency and tolerance options within the HC-49 SMD format. This specific model targets cost-sensitive designs requiring standard precision.

Replacement Considerations

QT49S-11.2896MAHJ-T (±30ppm, 18pF) or QT49S-11.2896MBBK-T (±50ppm, 20pF). Verify load capacitance differences impact circuit tuning.