18QHTF21-26.6649-OE

Oscillators Overview

The 18QHTF21-26.6649-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 26.6649 MHz and utilizes an LVCMOS output signal format. The component is housed in a compact 4-SMD, No Lead package, designed for surface-mount technology applications. This series supports voltage levels including 1.8V with Enable/Disable functionality, ensuring efficient power management in portable and space-constrained electronic designs.

Oscillators Feature Summary

• Standard XO configuration providing precise timing signals
• LVCMOS output interface for digital logic compatibility
• Compact 4-SMD No Lead surface-mount package design
• Supports Enable/Disable control functionality

Oscillators Applications

• Precision timing circuits in consumer electronics
• Clock generation for embedded systems
• Data communication interfaces requiring stable frequencies
• Portable devices with space constraints

Oscillators Procurement Notes

Verify the specific operating voltage and load capacitance requirements against your circuit design before procurement. Confirm that the 4-SMD No Lead package dimensions align with your PCB footprint specifications. Ensure the manufacturing source is recognized as Mercury Electronic Ind. Co., Ltd to guarantee component authenticity and performance consistency.

Oscillators Selection Notes

Select this model when a 26.6649 MHz clock source is required with low-profile packaging. Consider the LVCMOS output swing limits relative to your receiving logic family. Evaluate the thermal characteristics of the SMD package for your operational environment. Verify supply voltage compatibility if multiple voltage options exist within the product line.

Oscillators Part Context

This component belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series includes various frequencies such as 44.2 MHz and 49.664 MHz, all sharing similar physical footprints and electrical characteristics. These parts are part of the manufacturer's broader portfolio of quartz-based timing solutions established since 1973.

Oscillators Replacement Considerations

Direct substitutes include other 26.6649 MHz oscillators in identical 4-SMD packages with matching LVCMOS outputs. Cross-reference pinout configurations and enable/disable logic polarity to ensure functional equivalence without PCB redesign.