18QHTF21-20.3425-PD

Oscillators Overview

The 18QHTF21-20.3425-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 20.3425 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount assembly.

Oscillators Feature Summary

• LVCMOS output interface
• Standby mode support
• Surface-mount package

Oscillators Applications

• General purpose clock generation
• Digital signal processing systems
• Communication equipment

Oscillators Procurement Notes

Verify the specific ordering suffix and voltage tolerance against the official datasheet to ensure compatibility with the target circuit design. Confirm package dimensions and pin configuration match the PCB footprint requirements before finalizing procurement decisions.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS signaling. Ensure the application environment accommodates the specified operating temperature range and that the 4-SMD form factor fits within the available board space constraints.

Oscillators Part Context

This model belongs to the QHTF series of quartz oscillators from Mercury Electronic. The series typically offers standard frequency stability and packaging options designed for consumer and industrial electronics applications requiring reliable timing signals.

Oscillators Replacement Considerations

Check for direct substitutes within the same series such as 18QHTF21 variants with different frequencies. Cross-reference electrical specifications including voltage and output type before substituting.