HC49USM-FF5F18-14.7456MHZ

Crystals Overview

The ILSI HC49USM-FF5F18-14.7456MHZ is a surface-mount quartz crystal operating at a nominal frequency of 14.7456 MHz. It features a load capacitance of 18 pF and maintains a frequency stability and tolerance of ±30 ppm. The component utilizes an HC-49/US package with dimensions of 13.3 mm in length and 4.7 mm in width. Designed for fundamental mode operation, it supports a maximum drive level of 1 mW and operates within a temperature range of -40°C to +85°C.

Crystals Feature Summary

• Surface-mount construction in a standard HC-49/US metal package
• Fundamental resonance mode for stable oscillation
• Compliant with lead-free processing standards

Crystals Applications

• Microcontroller clock sources
• Communication interface timing circuits
• Digital signal processing systems

Crystals Procurement Notes

Verify the specific suffix FF5F18 against official ILSI documentation to confirm exact electrical parameters such as equivalent series resistance and aging rate. Ensure the selected variant matches the required load capacitance and frequency tolerance for the target circuit design before finalizing procurement orders.

Crystals Selection Notes

Select this component when a surface-mount solution is required for 14.7456 MHz applications. Consider the ±30 ppm stability requirement and the HC-49/US form factor compatibility with existing PCB footprints. Evaluate the -40°C to +85°C operating range against environmental conditions.

Crystals Part Context

This part belongs to the HC49USM series of quartz crystals manufactured by ILSI America. The series offers various frequencies in a standardized surface-mount package, providing a cost-effective alternative to through-hole crystals while maintaining reliable performance for general-purpose timing applications.

Crystals Replacement Considerations

Cross-reference with other manufacturers offering HC-49/US SMD crystals at 14.7456 MHz with 18 pF load capacitance. Verify that substitute parts meet identical frequency stability and temperature range specifications.