25QHM53D1.0-18.4323

Oscillators Overview

The 25QHM53D1.0-18.4323 is a QuikXO spread spectrum crystal oscillator manufactured by Mercury United Electronics, Inc. It operates at a center frequency of 18.4323 MHz with CMOS output levels and a supply voltage of 2.5V. The device features down-spread modulation to reduce electromagnetic interference. It utilizes a 4-pad ceramic surface-mount package measuring 5.0x3.2x1.2 mm. The component maintains standard status for procurement.

Oscillators Feature Summary

• Reduces system-level electromagnetic interference by approximately 20 dB
• Enables direct replacement of traditional crystal oscillators without PCB layout redesign
• Supports center or downward spread spectrum modulation modes

Oscillators Applications

• Systems requiring EMI reduction in baseband circuits
• Applications needing direct substitution for standard crystal oscillators
• Embedded systems utilizing CMOS clock signals

Oscillators Procurement Notes

Verify the manufacturer designation as Mercury United Electronics, Inc., which may appear as Mercury Electronics Ind. Co. Ltd in certain listings. Confirm the specific frequency suffix 18.4323 matches the required 18.4323 MHz operation. Ensure the package type corresponds to the 5.0x3.2x1.2 mm ceramic SMD form factor. Cross-reference the datasheet for absolute pull range and stability specifications before integration.

Oscillators Selection Notes

Select this component when electromagnetic interference mitigation is critical for system compliance. The spread spectrum capability offers significant noise reduction compared to fixed-frequency alternatives. Consider the CMOS output interface compatibility with downstream logic circuits. The small footprint facilitates dense board layouts where space is constrained.

Oscillators Part Context

This part belongs to the QuikXO series of spread spectrum crystal oscillators from Mercury United Electronics. The series includes various frequencies such as 4.0000 MHz and 20.8125 MHz within similar packaging constraints. These devices are designed to replace conventional crystals while providing enhanced signal integrity through modulation techniques.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Direct replacement requires matching the 18.4323 MHz frequency and CMOS output characteristics. Verify that alternative components support the same 2.5V supply and spread spectrum functionality.