CMS1-4-R

Common Mode Chokes Overview

The CMS1-4-R is a surface mount common mode choke manufactured by Eaton - Electronics Division. It features an inductance of 18 µH at 100 kHz and supports a rated current of 3.8 A. The component has a typical DC resistance (DCR) of 8.9 mΩ. It utilizes a horizontal package with four PCB pads, measuring 9.4 mm in length, 7.2 mm in width, and 2.6 mm in maximum height. The device operates within a temperature range of -40°C to 160°C.

Common Mode Chokes Feature Summary

• Surface mount construction for automated assembly
• Dual-line filtering capability for power circuits
• High operating temperature rating up to 160°C

Common Mode Chokes Applications

• Power supply line filtering
• Common mode noise suppression in electronic equipment
• EMI reduction in compact circuit designs

Common Mode Chokes Procurement Notes

Verify the specific manufacturer part number against official Eaton documentation to ensure authenticity. Confirm that the component matches the required surface mount footprint and electrical specifications for the target application. Check for any recent product change notices or obsolescence alerts associated with this series before finalizing procurement plans.

Common Mode Chokes Selection Notes

Select this component based on its 18 µH inductance and 3.8 A current rating suitable for space-constrained designs. Ensure the board layout accommodates the 9.4 mm x 7.2 mm footprint and 2.6 mm height. Verify thermal management requirements given the 160°C operating limit and low DCR characteristics for efficient power handling.

Common Mode Chokes Part Context

This component belongs to the Eaton CMS series of common mode inductors designed for surface mount technology. The series offers various inductance values and current ratings to support diverse power filtering needs in modern electronics manufacturing.

Common Mode Chokes Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.