18QHTF21-71.500-PD

Overview

The 18QHTF21-71.500-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a fixed frequency of 71.5 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device features a standby or power-down mode capability for energy management. It is housed in a compact 4-SMD, No Lead surface-mount package, designed for integration into electronic circuits requiring precise clock signals.

Feature Summary

• Supports Standby (Power Down) functionality
• LVCMOS output logic interface
• Surface mount construction

Applications

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

Procurement Notes

Verify the specific part number against official manufacturer documentation to ensure compatibility with your design requirements. Confirm that the 1.8V supply voltage and LVCMOS output levels align with your target circuit specifications before procurement. Ensure proper handling procedures are followed for surface-mount components during assembly.

Selection Notes

Select this component when a 71.5 MHz clock source is required with low voltage operation. Consider the 1.8V supply constraint and the need for power-down capabilities. The small 4-SMD footprint makes it suitable for space-constrained designs. Verify thermal and electrical characteristics against application needs.

Part Context

This oscillator belongs to the Mercury Electronics series of quartz-based frequency control products. The company specializes in manufacturing various oscillators including TCXO, VCTCXO, and VCXO types. This specific model represents a standard XO variant within their surface-mount portfolio, offering reliable frequency stability for general electronic applications.

Replacement Considerations

Direct substitutes may include other 71.5 MHz LVCMOS oscillators from Mercury Electronics with compatible pinouts and voltage levels. Cross-reference with similar models like the 18QHTF21 series variants for potential drop-in replacements if frequency or package constraints allow.