18QHTF21-121.429-OE

Overview

The 18QHTF21-121.429-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 121.429 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. This component is designed for applications requiring precise clock signals in space-constrained electronic systems.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes enable and disable control pins for power efficiency
• Utilizes a small form factor SMD package for surface mount assembly

Applications

• Digital signal processing circuits
• Communication equipment clocking
• Embedded system timing references

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply voltage aligns with your system's power rails. Confirm that the LVCMOS output levels are compatible with the receiving logic inputs to prevent signal integrity issues during operation.

Selection Notes

Select this component when a 121.429 MHz clock source is required in a minimal footprint. Consider the 1.8V operating voltage if low power consumption is a priority. Evaluate the enable/disable feature if dynamic power management is necessary for the application. Compare package dimensions against board space constraints to ensure mechanical fit.

Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies and voltages. The 'OE' suffix typically denotes specific packaging or ordering configurations. Mercury Electronics specializes in frequency control products, providing reliable timing solutions for industrial and consumer electronics markets.

Replacement Considerations

Check datasheets for alternative parts offering identical 121.429 MHz frequency and LVCMOS output. Verify pin compatibility and package dimensions (2.0x1.6 mm) for direct replacement. Ensure supply voltage and enable functionality match the original design requirements.