CMS2-4-R

Common Mode Chokes Overview

The CMS2-4-R is a surface-mount common mode choke manufactured by Eaton - Electronics Division. It features dual lines with an inductance of 102 µH at 100 kHz and a rated current of 2.8 A. The component has a typical DC resistance (DCR) of 19 mOhm. It operates within a temperature range of -40°C to 160°C. The package dimensions are 11.43 mm x 11.43 mm x 6.00 mm, utilizing a horizontal 4-pad configuration.

Common Mode Chokes Feature Summary

• Dual-line common mode filtering for power supply noise suppression
• Surface mount design for automated PCB assembly
• High thermal stability supporting operation up to 160°C

Common Mode Chokes Applications

• Power line filtering in battery management systems
• Noise suppression in industrial automation circuits
• EMI reduction in smart grid controllers

Common Mode Chokes Procurement Notes

Verify the specific ordering suffix to confirm packaging type, such as tape and reel or cut tape, as these affect handling procedures. Confirm RoHS compliance status and moisture sensitivity level prior to storage planning. Ensure the selected variant matches the required inductance tolerance and current rating for the target application circuit.

Common Mode Chokes Selection Notes

Select this component based on its 102 µH inductance value and 2.8 A current carrying capacity. Consider the 19 mOhm DCR for efficiency requirements. Verify that the 11.43 mm x 11.43 mm footprint fits the PCB layout constraints. Ensure the operating temperature range meets the environmental demands of the final assembly.

Common Mode Chokes Part Context

This part belongs to the Eaton CMS series of common mode chokes. The series offers various inductance values and current ratings for different filtering needs. The CMS2-4-R specifically targets applications requiring moderate inductance with high current capability in a compact surface-mount form factor.

Common Mode Chokes Replacement Considerations

Check for direct substitutes within the CMS series with similar inductance and current ratings. Verify pin compatibility and footprint dimensions before replacing. Consult Eaton documentation for any updated versions or alternative parts with enhanced specifications.