18QHTF21-61.781-OE

Overview

The 18QHTF21-61.781-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 61.781 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications with a supply voltage of 1.8V. It features an Enable/Disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Enable/Disable functionality for power management
• Compact 4-SMD No Lead surface-mount package

Applications

• General clock signal generation
• Digital system timing references
• Embedded electronics applications

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure the correct variant is procured. Confirm that the OE suffix aligns with the required enable/disable specifications and packaging details. Cross-reference the part number with authorized distributors to validate authenticity and availability before finalizing purchase orders.

Selection Notes

Select this component when a precise 61.781 MHz clock source is required for systems operating at 1.8V. Consider the LVCMOS output type for direct interfacing with compatible digital logic families. Evaluate the physical dimensions of the 4-SMD package against board space constraints and thermal requirements during the design phase.

Part Context

This oscillator belongs to the Mercury Electronics product line, which specializes in frequency control components. The company has a history of manufacturing quartz-based products, positioning itself as a pioneer in the Taiwan quartz industry. This series represents their standard XO offerings designed for modern electronic applications requiring stable frequency sources.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative oscillators based on matching frequency, voltage, package, and output logic specifications.