9C-19.660MBBK-T

Crystals Overview

The TXC Corporation 9C-19.660MBBK-T is a surface-mount quartz crystal operating at a fundamental frequency of 19.66 MHz. It features a load capacitance of 20 pF and an equivalent series resistance (ESR) of 30 Ohms. The component provides a frequency stability of ±50 ppm across an operating temperature range of -20°C to +70°C. It utilizes the HC-49/US package, measuring 11.40 mm in length and 4.80 mm in width.

Crystals Feature Summary

• Fundamental mode operation for precise timing applications
• Surface mount design compatible with automated assembly processes
• Standardized HC-49/US footprint for reliable integration

Crystals Applications

• Digital signal processing clock sources
• Microcontroller system timing references
• Communication interface synchronization circuits

Crystals Procurement Notes

Verify current availability status as this component may be subject to discontinuation or limited stock conditions. Confirm that the specific ordering suffix matches the required load capacitance and tolerance specifications for your circuit design. Ensure compliance with RoHS3 regulations before finalizing procurement orders.

Crystals Selection Notes

Select this component when a fundamental frequency crystal is required for space-constrained designs. The HC-49/US form factor offers a balance between performance and board area efficiency. Consider the ±50 ppm stability requirement against your system's jitter tolerance and phase noise specifications during the selection process.

Crystals Part Context

This part belongs to the 9C series of quartz crystals manufactured by TXC Corporation. The series is designed for general-purpose timing applications requiring standard surface-mount packaging. It serves as a foundational component for generating stable clock signals in various electronic systems.

Crystals Replacement Considerations

QT49S-24.000MBBK-T by QST is listed as a parameter-equivalent substitute for similar frequency requirements.