QT49S-13.0625MBBK-T

Overview

The QT49S-13.0625MBBK-T is a quartz crystal resonator manufactured by QST, operating at a fundamental frequency of 13.0625 MHz. It features a load capacitance of 20 pF and an equivalent series resistance of 40 Ohms. The component exhibits a frequency stability of ±50 ppm and a tolerance of ±50 ppm at 25°C. Designed for operation within a temperature range of -20°C to +70°C, it utilizes the HC-49/US package style.

Feature Summary

• Provides stable oscillation at 13.0625 MHz with ±50 ppm frequency stability
• Utilizes HC-49/US through-hole package for reliable mounting
• Operates effectively within standard commercial temperature ranges

Applications

• Microcontroller clock sources
• Communication module timing circuits
• Embedded system oscillator references

Procurement Notes

Verify part authenticity by checking manufacturer markings against official QST documentation. Confirm RoHS compliance status as indicated in supplier declarations. Ensure the specific suffix matches required frequency and package specifications before procurement to avoid functional mismatches in circuit design.

Selection Notes

Select this component when a 13.0625 MHz reference is required with moderate stability needs. The HC-49/US package suits applications requiring robust mechanical mounting. Consider the 40 Ohm ESR and 20 pF load capacitance for proper oscillator circuit matching to ensure accurate frequency generation.

Part Context

This crystal belongs to the QT49S series from QST, designed for general-purpose timing applications. The series offers various frequencies within the HC-49/US form factor, providing a standardized solution for embedded electronics requiring precise clock signals without the complexity of active oscillators.

Replacement Considerations

Direct substitutes include other 13.0625 MHz crystals in HC-49/US packages with similar electrical parameters. Verify that alternative manufacturers offer compatible load capacitance and ESR values to maintain circuit performance.