CMS2-8-R

Common Mode Chokes Overview

The CMS2-8-R is a surface mount common mode choke from the Eaton CMS series, designed for power line filtering. It features an inductance of 360 µH at 100 kHz and supports a rated current of 1.35 A. The component has a typical DC resistance (DCR) of 84 mΩ per line. It utilizes a horizontal package with four PCB terminals and measures 8.90 mm x 8.90 mm in footprint with a maximum height of 6.00 mm.

Common Mode Chokes Feature Summary

• Surface mount construction for automated assembly
• Dual-line configuration for differential noise suppression
• High saturation current capability for power applications

Common Mode Chokes Applications

• Power line filtering
• Common mode noise suppression
• Electronics equipment input stages

Common Mode Chokes Procurement Notes

Verify the specific ordering suffix to ensure correct packaging format, such as tape and reel or cut tape, matches production requirements. Confirm the manufacturer part number against official Eaton documentation to avoid substitution errors. Check for any recent product change notices regarding material or dimensional updates before finalizing procurement plans.

Common Mode Chokes Selection Notes

Select this component when high inductance is required for low-frequency common mode noise attenuation in compact designs. Ensure the operating current remains below the 1.35 A rating to prevent saturation. Verify that the 84 mΩ DCR aligns with thermal management constraints and voltage drop specifications within the circuit design.

Common Mode Chokes Part Context

This component belongs to the Eaton CMS series of surface mount common mode chokes. The series offers various inductance and current ratings optimized for space-constrained power supply inputs. The CMS2-8-R specifically targets applications requiring robust noise rejection with moderate current handling capabilities in a standard SMD footprint.

Common Mode Chokes Replacement Considerations

Direct substitutes include other Eaton CMS series parts with matching electrical characteristics. Cross-brand replacements require verification of inductance, current rating, and physical dimensions to ensure compatibility with existing board layouts and performance requirements.