HC49US-FF5F18-11.0592MHZ

Crystals Overview

The HC49US-FF5F18-11.0592MHZ is a fundamental mode quartz crystal resonator manufactured by ILSI America. It operates at a nominal frequency of 11.0592 MHz with a frequency tolerance and stability of ±30 ppm. The component features a load capacitance of 18 pF and utilizes an AT-cut design for reliable performance. It is housed in a surface mount HC-49/US package, measuring 11.40 mm in length, 4.73 mm in width, and 4.50 mm in maximum height. The device supports a base harmonic operating mode and functions within a temperature range of -40°C to +85°C.

Crystals Feature Summary

• AT-cut quartz construction ensures stable oscillation characteristics
• Surface mount HC-49/US package facilitates automated PCB assembly
• Wide industrial temperature rating supports diverse environmental conditions

Crystals Applications

• Microcontroller clock generation circuits
• Serial communication interface timing
• Embedded system oscillator modules

Crystals Procurement Notes

Verify the specific suffix configuration against the manufacturer's current datasheet to ensure compatibility with the intended circuit design. Confirm that the surface mount footprint matches the target PCB layout dimensions. Check for any recent updates regarding RoHS compliance status or material composition changes. Ensure the selected variant meets the required frequency stability specifications for the application environment.

Crystals Selection Notes

Select this component when a standard 11.0592 MHz frequency is required for baud rate generation or processor clocking. The HC-49/US form factor offers a balance between size and mechanical robustness for surface mount applications. Consider the ±30 ppm tolerance as sufficient for most general-purpose digital logic interfaces. Evaluate the thermal stability requirements against the specified -40°C to +85°C operating range before finalizing the design.

Crystals Part Context

This part belongs to the HC49US series of quartz crystals produced by ILSI America. The series provides various frequency options within the same physical package outline. These components are designed for general-purpose timing applications where moderate stability is acceptable. The HC-49/US package is a widely adopted standard in the electronics industry for both through-hole and surface mount implementations.

Crystals Replacement Considerations

Cross-reference with other manufacturers offering HC-49/US SMD packages at 11.0592 MHz. Verify equivalent electrical parameters such as load capacitance and ESR. Ensure mechanical dimensions match the existing board space constraints. Confirm that alternative sources maintain similar frequency stability ratings.