18QHTF21-111.111-OE

Overview

The 18QHTF21-111.111-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 111.111 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, no-lead package designed for surface-mount applications.

Feature Summary

• Supports Enable/Disable functionality for power management
• Utilizes LVCMOS output logic levels
• Designed for surface-mount assembly

Applications

• General electronic timing circuits
• Digital signal processing systems
• Communication equipment clock sources

Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct electrical characteristics and package type. Confirm that the component matches the required frequency and voltage specifications for the target application before procurement.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside precise frequency generation. Consider the small form factor of the 4-SMD package for space-constrained designs requiring standard LVCMOS interfaces.

Part Context

This part belongs to the Mercury Electronic Ind. Co. Ltd oscillator portfolio, which includes various quartz-based timing solutions. The manufacturer specializes in frequency control products such as crystals, filters, and oscillators, serving global electronics markets.

Replacement Considerations

Consult official substitution lists for compatible alternatives. Ensure any replacement maintains identical frequency, voltage, and package dimensions.