18QHTF21-49.600-OE

Overview

The 18QHTF21-49.600-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a nominal frequency of 49.6 MHz. It utilizes LVCMOS output logic and supports a supply voltage of 1.8V with enable/disable functionality. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. Designed for surface-mount applications, it offers reliable frequency generation for digital circuits requiring precise timing signals within standard industrial temperature ranges.

Feature Summary

• Supports LVCMOS output logic for direct interface with digital systems
• Features integrated enable/disable control via the supply voltage pin
• Utilizes a compact 4-SMD no-lead surface mount package design

Applications

• Digital signal processing equipment requiring precise clock sources
• Communication modules utilizing standard CMOS interfaces
• Embedded systems needing low-voltage timing references

Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against your circuit design specifications before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions to guarantee proper soldering and mechanical stability during assembly processes.

Selection Notes

Select this component when a 49.6 MHz clock signal is required with LVCMOS compatibility. Consider the 1.8V operating voltage constraint and the need for enable/disable functionality. Evaluate the space constraints to ensure the small SMD package fits within the available board area while maintaining adequate thermal and electrical performance standards.

Part Context

This oscillator belongs to the standard XO series from Mercury Electronics, designed for general-purpose timing applications. The manufacturer specializes in frequency control products, leveraging decades of expertise in quartz crystal technology. This specific model represents a modern surface-mount solution replacing older through-hole technologies in compact electronic designs.

Replacement Considerations

Cross-reference compatible oscillators from other manufacturers offering identical 49.6 MHz frequency, LVCMOS output, and 1.8V supply voltage. Verify that substitute components match the 4-SMD no-lead package dimensions and pin configuration to ensure seamless integration without redesigning the printed circuit board layout.