18QHTF21-27.4912-OE

Oscillators Overview

The 18QHTF21-27.4912-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 27.4912 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output interface
• 1.8V operating voltage
• Enable/Disable control pin
• Surface-mount SMD package

Oscillators Applications

• General clock signal generation
• Embedded system timing
• Digital circuit synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for any specific environmental ratings if operating in extreme conditions.

Oscillators Selection Notes

Select this component when a stable 27.4912 MHz reference is required for low-voltage digital circuits. Consider the enable/disable functionality if power conservation is critical. Evaluate the size constraints to ensure the 4-SMD package fits within the available board space compared to larger oscillator options.

Oscillators Part Context

This part belongs to Mercury Electronics' series of surface-mount crystal oscillators. The manufacturer specializes in quartz-based frequency control products with decades of industry experience. This specific model represents a standard XO variant optimized for modern electronic devices requiring reliable timing sources.

Oscillators Replacement Considerations

Direct substitutes must match the 27.4912 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical characteristics before swapping manufacturers.