18QHTF21-68.200-OE

Overview

The 18QHTF21-68.200-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 68.2 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package designed for surface mount applications.

Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Features integrated enable and disable control functionality
• Utilizes a leadless SMD package for automated assembly

Applications

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

Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct voltage and output specifications. Confirm that the leadless package variant matches the target PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside precise frequency stability. Ensure the design accommodates the specific thermal and mechanical constraints associated with the 4-SMD no-lead form factor.

Part Context

This model belongs to the Mercury Electronics XO series, which specializes in quartz-based timing solutions. The manufacturer has extensive experience in Taiwan's frequency control industry, producing various oscillators and filters for electronic applications.

Replacement Considerations

Direct substitutes include other 68.2 MHz LVCMOS oscillators from Mercury Electronics such as the 18QHTF21-21.200-OE or 18QHTF21-33.200-OE, provided the frequency difference is acceptable for the application.