18QHTF21-28.631-OE

Oscillators Overview

The 18QHTF21-28.631-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 28.631 MHz and utilizes LVCMOS output logic levels. The component is designed for operation with a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, no lead package configuration, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports enable and disable functionality for power management
• Utilizes LVCMOS output interface for digital compatibility
• Employes hermetic ceramic leadless SMD packaging

Oscillators Applications

• Digital clock signal generation
• Microprocessor timing references
• Communication equipment synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Check the datasheet for operating temperature range specifications to ensure environmental suitability. Ensure the 4-SMD package footprint matches the PCB layout constraints.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V LVCMOS oscillator is required for space-constrained designs. The enable/disable feature allows for dynamic power control in battery-operated devices. Consider the hermetic ceramic package for applications demanding high reliability and stability over time compared to standard plastic packages.

Oscillators Part Context

This part belongs to the QHTF series from Mercury Electronic, which offers various hermetic ceramic leadless SMD packages. The series supports frequencies ranging from 1.0 MHz to 200 MHz across different supply voltages. Mercury Electronic is a specialized manufacturer of quartz crystals and oscillators with extensive industry experience.

Oscillators Replacement Considerations

Direct substitutes within the same series include other frequency variants such as 18QHTF21-28.6313-OE if minor frequency adjustments are acceptable. Verify pinout compatibility and electrical characteristics before substituting with components from other manufacturers.