25QHM572C0.5-66.6666

Oscillators Overview

The 25QHM572C0.5-66.6666 is a spread-spectrum crystal oscillator (SSXO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fundamental frequency of 66.6666 MHz and utilizes CMOS output logic. The device is housed in a surface-mount package with dimensions of 7.0mm x 5.0mm and features four pins. This component is designed to provide stable clock signals while incorporating spread-spectrum technology to reduce electromagnetic interference.

Oscillators Feature Summary

• Integrates spread-spectrum modulation capabilities to minimize electromagnetic interference emissions.
• Delivers precise timing signals using CMOS output logic for digital circuit compatibility.
• Utilizes a compact surface-mount form factor suitable for space-constrained board layouts.

Oscillators Applications

• High-speed data transmission interfaces requiring low jitter clock sources
• Computer motherboards and peripheral cards needing EMI reduction
• Telecommunications equipment utilizing standard clock frequencies

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure the correct frequency tolerance and spread-spectrum modulation profile. Confirm that the package outline drawing matches the required PCB footprint dimensions. Check for RoHS compliance status if environmental regulations apply to the end product assembly process.

Oscillators Selection Notes

Select this component when a fixed 66.6666 MHz clock source with integrated spread-spectrum functionality is required. Ensure the system design supports CMOS voltage levels and current drive capabilities. Consider the thermal management requirements associated with surface-mount oscillators in high-density electronic assemblies.

Oscillators Part Context

This part belongs to the 25QHM series of spread-spectrum crystal oscillators from Mercury Electronics. The series offers various frequency options within a standardized 7.0x5.0mm SMD package. These components are engineered to replace traditional fixed-frequency crystals in applications where electromagnetic compatibility is a critical design constraint.

Oscillators Replacement Considerations

Direct substitutes include other Mercury United Electronics SSXOs with identical pinout and package dimensions but different frequencies, such as the 25QHM572C0.5-67.392 or 25QHM572C0.5-74.000. Cross-brand replacements require verification of electrical parameters and mechanical fit.