QT49S-11.000MAAJ-T

Overview

The QST QT49S-11.000MAAJ-T is a surface-mount MHz crystal operating at 11 MHz with ±30ppm frequency stability and tolerance. It features an 18pF load capacitance and operates within a temperature range of -20°C to 70°C. The component utilizes a HC-49/US package, measuring 11.4mm x 4.8mm x 3.8mm. Designed for base mode operation, it offers reliable timing performance for electronic circuits requiring precise frequency control.

Feature Summary

• Surface mount construction in HC-49/US package
• High frequency stability of ±30ppm
• Optimized for 18pF load capacitance applications

Applications

• General purpose timing circuits
• Microcontroller clock sources
• Communication equipment oscillators

Procurement Notes

Verify the specific package dimensions and lead configuration against the target PCB footprint before integration. Confirm that the operating temperature range of -20°C to 70°C aligns with the environmental requirements of the final assembly. Ensure the load capacitance matches the oscillator circuit design specifications to maintain the stated frequency accuracy.

Selection Notes

Select this component when a standard HC-49/US form factor is required in a surface-mount layout. Consider the ±30ppm stability limit for applications where tighter tolerances are not critical. Evaluate the -20°C to 70°C range against ambient conditions to ensure long-term reliability without derating.

Part Context

This part belongs to the QT49S series of quartz crystals manufactured by QST. The series provides various frequency options within the same physical package style. The QT49S-11.000MAAJ-T specifically addresses the need for 11 MHz timing signals in compact electronic designs.

FAQ

What is the maximum operating temperature for this crystal?

The maximum operating temperature is 70°C.

Does this component support base mode operation?

Yes, the QT49S-11.000MAAJ-T is designed for base mode operation.