CMT1-1-R

Common Mode Chokes Overview

The Eaton CMT1-1-R is a discontinued two-line common mode choke designed for through-hole mounting. It provides an inductance of 66 mH at 10 kHz with a maximum DC current rating of 740 mA. The component features a typical DC resistance (DCR) of 1.2 ohms and operates within a temperature range of -40°C to +125°C. Its physical dimensions are 29.50 mm in length, 22.00 mm in width, and a maximum height of 36.50 mm.

Common Mode Chokes Feature Summary

• Provides high common mode impedance for noise suppression in power line applications
• Designed for vertical through-hole PCB mounting with four pins
• Capable of operating reliably across a wide industrial temperature range

Common Mode Chokes Applications

• Power supply input filtering
• EMI suppression in electronic equipment
• Common mode noise reduction in signal lines

Common Mode Chokes Procurement Notes

This component is officially listed as discontinued by the manufacturer. Verification of availability should focus on surplus distributors or existing stock rather than direct manufacturing orders. Confirm the specific lot date code and storage conditions when sourcing from secondary markets to ensure performance integrity.

Common Mode Chokes Selection Notes

Designers requiring this specific electrical profile must consider alternative components due to the end-of-life status. Evaluate replacement options based on matching inductance values, current ratings, and physical footprint constraints. Ensure that any substitute part maintains compatibility with the original thermal and mechanical design requirements.

Common Mode Chokes Part Context

The CMT1-1-R belongs to the Eaton CMT series of common mode chokes. This series was engineered for general-purpose EMI filtering in various electronic assemblies. The specific model represents a standard inductance value within the lineup, characterized by its robust construction and reliable performance in noisy environments.

Common Mode Chokes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Engineers should consult Eaton's official obsolescence notices or contact technical support for validated cross-reference recommendations.