9C-12.000MBBK-T

Crystals Overview

The TXC Corporation 9C-12.000MBBK-T is a surface-mount quartz crystal operating at a fundamental frequency of 12 MHz. It features a load capacitance of 20 pF and an equivalent series resistance (ESR) of 40 Ohms. The component provides a frequency tolerance and stability of ±50 ppm. Designed for the HC-49/S package, it measures 11.40 mm in length, 4.80 mm in width, and has a maximum height of 4.10 mm. The device supports operation within a temperature range of -20°C to +70°C.

Crystals Feature Summary

• Fundamental mode quartz crystal resonator
• Surface mount construction in HC-49/S package
• Integrated enable/disable functionality support

Crystals Applications

• General purpose clock signal generation
• Microcontroller timing circuits
• Digital communication interfaces

Crystals Procurement Notes

This component is officially discontinued by the manufacturer. Verification of availability requires checking authorized distributors for remaining stock or approved parameter-equivalent substitutes. Confirm RoHS3 compliance and MSL rating prior to integration into production schedules.

Crystals Selection Notes

Select this part only if the specific HC-49/S form factor and 20 pF load capacitance are required. Verify that the ±50 ppm stability meets system timing requirements. Consider alternative active oscillators if lower phase noise or higher stability is needed.

Crystals Part Context

Part of the 9C series of quartz crystals from TXC Corporation. This series focuses on standard frequency components for general electronics applications. The 9C-12.000MBBK-T represents a specific frequency variant within this established product line.

Crystals Replacement Considerations

QT49S-12.000MBBK-T by QST is listed as a parameter-equivalent substitute.

Crystals FAQ

What is the package type for this crystal?

It uses the HC-49/S surface mount package.

Is this component currently in production?

No, the component is marked as obsolete and discontinued.