18QHTF21-10.425-OE

Overview

The 18QHTF21-10.425-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 10.425 MHz and utilizes LVCMOS output logic levels. The device requires a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Integrates enable/disable functionality for efficient power management
• Delivers stable LVCMOS output signals at 10.425 MHz
• Designed for low-voltage operation at 1.8V

Applications

• Portable electronic devices requiring low power consumption
• Communication equipment utilizing standard clock signals
• Embedded systems needing precise timing references

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage and package specifications. Confirm that the 1.8V supply requirement aligns with the target system design. Check for any environmental certifications or temperature range limitations relevant to the intended application environment before finalizing procurement decisions.

Selection Notes

Select this component when a small form factor and low voltage operation are critical. Ensure the host circuit supports LVCMOS logic levels and provides the necessary 1.8V supply rail. Consider the enable pin requirements if dynamic power saving is needed during idle periods compared to continuous operation alternatives.

Part Context

This part belongs to the Mercury 18QHTF series of surface-mount oscillators. The series focuses on miniaturization and low-power applications. The 10.425 MHz frequency is commonly used in digital signal processing and data communication interfaces where moderate speed timing is required.

Replacement Considerations

Direct substitutes may include other 10.425 MHz LVCMOS oscillators in 2.0x1.6mm packages from different manufacturers. Verify pinout compatibility and electrical parameters such as load capacitance and drive strength before swapping components.