QT49-13.225625MAHK-B

Overview

The QT49-13.225625MAHK-B is a quartz crystal resonator manufactured by QST Products, LLC. It operates at a nominal frequency of 13.225625 MHz and utilizes the HC-49/US package style for through-hole mounting. The component features a load capacitance of 20 pF and offers a frequency stability of ±30 ppm. It is designed to function within an operating temperature range of -40°C to +85°C.

Feature Summary

• HC-49/US package construction for standard through-hole integration
• Frequency stability specification of ±30 ppm
• Operational capability across extended industrial temperature ranges

Applications

• Microcontroller clock circuits
• Communication module timing references
• Digital signal processing systems

Procurement Notes

Verify the exact suffix designation against official QST documentation to ensure correct tolerance and packaging specifications. Confirm RoHS compliance status and active lifecycle status directly with authorized distributors or the manufacturer before procurement. Cross-reference datasheet parameters with system requirements to validate thermal and electrical compatibility.

Selection Notes

Select this component when a precise 13.225625 MHz reference is required with moderate stability. Ensure the circuit design supports the specified 20 pF load capacitance. Verify that the operating environment remains within the -40°C to +85°C range to maintain performance guarantees.

Part Context

This part belongs to the QT49 series of quartz crystals from QST Products. The series provides various frequency options in the standardized HC-49/US form factor. These components are widely used in electronic designs requiring reliable oscillation sources for digital logic and communication interfaces.

Replacement Considerations

Compatible substitutes include other HC-49/US crystals with identical 13.225625 MHz frequency, 20 pF load capacitance, and ±30 ppm stability. Verify equivalent temperature ranges and drive level specifications before substitution.