HC49US-FF5F18-6.000MHZ

Crystals Overview

The ILSI HC49US-FF5F18-6.000MHZ is a fundamental mode quartz crystal resonator designed for surface mount applications. It operates at a nominal frequency of 6.000 MHz with a load capacitance of 18 pF. The component exhibits a frequency tolerance and stability of ±30 ppm across an operating temperature range of -40°C to +85°C. It features a maximum equivalent series resistance (ESR) of 100 Ohms and utilizes the standard HC-49/US package, measuring approximately 13.3 mm in length and 4.7 mm in width.

Crystals Feature Summary

• Fundamental mode quartz crystal construction
• Surface mount compatible HC-49/US package
• Wide industrial temperature operation capability

Crystals Applications

• General purpose clock signal generation
• Microcontroller system timing references
• Communication interface synchronization

Crystals Procurement Notes

Verify the specific manufacturer designation as sources list both ILSI and Abracon for this part number. Confirm RoHS compliance status and check for end-of-life notifications prior to procurement. Ensure the selected variant matches the required 100 Ohm ESR specification for the target circuit design.

Crystals Selection Notes

Select this component when a standard 6 MHz reference is required for surface mount assembly processes. The 18 pF load capacitance must match the oscillator circuit requirements. Consider the ±30 ppm stability limit for applications requiring moderate precision timing without active compensation.

Crystals Part Context

This part belongs to the HC49USM series of fundamental quartz crystals. The series offers various frequencies within the HC-49/US form factor, providing a standardized solution for embedded timing needs. The FF5F18 suffix typically denotes specific terminal and load capacitance configurations common in this product line.

Crystals Replacement Considerations

ABRACON ABLS-6.000MHZ-D4Y-T serves as a direct functional substitute with identical electrical parameters and package dimensions.