18QHTF21-25.147-OE

Oscillators Overview

The 18QHTF21-25.147-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 25.147 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm. This component is designed for timing applications requiring precise clock signals in space-constrained electronic systems.

Oscillators Feature Summary

• Standard XO configuration with LVCMOS output interface
• Integrated enable/disable functionality for power management
• Compact 4-SMD surface-mount package design

Oscillators Applications

• General purpose digital circuit timing
• Embedded system clock generation
• Consumer electronics signal processing

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V operating voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for RoHS compliance status if required by your manufacturing standards. Validate the enable pin logic polarity with your microcontroller or FPGA outputs to ensure correct operation.

Oscillators Selection Notes

Select this component when a low-voltage, small-footprint oscillator is required for 25.147 MHz applications. Consider the LVCMOS output compatibility with your downstream logic family. Evaluate the thermal performance and stability needs against the standard XO specifications. Compare the physical size benefits against larger packages if space is not the primary constraint. Ensure the enable feature integrates well with your system's power sequencing strategy.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of surface-mount crystal oscillators. The series offers various frequencies within a standardized 2.0x1.6 mm package. Mercury Electronics specializes in quartz-based frequency control products, including crystals, filters, and oscillators. The company has a long history in the Taiwan frequency-control industry, providing components for global electronics markets.

Oscillators Replacement Considerations

Direct substitutes include other 25.147 MHz LVCMOS oscillators in 4-SMD 2.0x1.6mm packages from compatible manufacturers. Verify electrical parameters such as supply voltage, current consumption, and output swing. Check mechanical compatibility regarding pad layout and soldering profiles. Ensure frequency accuracy and stability specifications meet or exceed the original requirements.