HC49USM-FF3F18-14.7456MHZ

Crystals Overview

The HC49USM-FF3F18-14.7456MHZ is a parallel fundamental quartz crystal manufactured by ILSI. It operates at a nominal frequency of 14.7456 MHz with a load capacitance of 18 pF and frequency stability of ±30 ppm. The component utilizes an HC-49/US surface mount package measuring 13.3 mm in length, 4.7 mm in width, and 4.5 mm in maximum height. It functions within a temperature range of -40°C to +85°C and features an equivalent series resistance (ESR) of 40 Ohms.

Crystals Feature Summary

• Parallel fundamental quartz resonator design
• Surface mount HC-49/US metal package configuration
• RoHS compliant and lead-free processing compatible

Crystals Applications

• General purpose clock signal generation
• Microcontroller oscillator circuits
• Communication interface timing references

Crystals Procurement Notes

Verify the specific suffix FF3F18 against official ILSI documentation to confirm exact electrical tolerances and packaging specifications. Ensure compatibility with the target circuit's load capacitance requirements before integration. Cross-reference the part number with authorized distributors to confirm current availability and authenticity. Review the datasheet for handling precautions related to the metal can construction.

Crystals Selection Notes

Select this component when a standard 14.7456 MHz reference is required for surface mount assembly. The HC-49/US form factor provides mechanical robustness suitable for general electronics applications. Consider the 40 Ohm ESR value for impedance matching within the oscillator circuit. Verify that the ±30 ppm stability meets the system timing accuracy requirements.

Crystals Part Context

This part belongs to the HC49USM series of quartz crystals produced by ILSI America. The series offers various frequencies in a standardized SMD footprint. ILSI specializes in frequency control products including crystals and oscillators for global markets. This specific model represents a common frequency used in digital logic and serial communication systems.

Crystals Replacement Considerations

Compatible substitutes include the HC49USM-FF5F18-14.7456 MHZ from ILSI and the ABLS-3.6864MHZ-D4Y-T from Abraton, provided electrical parameters match.