18QHTF21-118.275-OE

Overview

The 18QHTF21-118.275-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 118.275 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes enable/disable functionality. It is housed in a compact 4-SMD, No Lead package designed for surface-mount applications.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable and disable control capability
• Compact 4-SMD no-lead surface mount package

Applications

• Digital signal processing systems
• Communication equipment timing references
• Embedded system clock generation

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to ensure correct configuration. Confirm that the required operating temperature range and load capacitance specifications align with the target circuit design requirements before finalizing procurement decisions.

Selection Notes

Select this component when a precise 118.275 MHz reference is required with low-voltage operation. Ensure the application board layout accommodates the 4-SMD footprint. Verify that the LVCMOS output swing meets the input threshold requirements of the downstream logic components.

Part Context

This part belongs to the Mercury Electronics standard XO series, which provides reliable quartz-based timing solutions. The manufacturer specializes in frequency control products including crystals and oscillators, offering various packages and frequencies for industrial and commercial electronics applications.

Replacement Considerations

Direct substitutes include other 118.275 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify pinout compatibility and electrical parameters such as supply voltage and output drive strength before implementing any alternative source.