CMT-8111-B

Common Mode Chokes Overview

The CMT-8111-B is a two-line common mode choke manufactured by Triad Magnetics, designed for through-hole PCB mounting. It provides a minimum inductance of 12 mH at 1 kHz and supports a maximum DC current of 4 A. The component features a maximum DC resistance of 110 mOhms and operates within a temperature range of -55°C to 105°C. Physical dimensions are 1.45 inches in length, 1.35 inches in width, and 0.8 inches in height. It is unshielded and complies with VDE, IEC, UL, and CSA safety standards.

Common Mode Chokes Feature Summary

• Provides effective common mode EMI suppression and differential mode filtering for power lines
• Complies with international safety certifications including VDE, IEC, UL, and CSA
• Designed for high-reliability noise elimination in various power supply applications

Common Mode Chokes Applications

• Power line filtering in industrial equipment
• EMI suppression in AC/DC power supplies
• Noise reduction in consumer electronics power inputs

Common Mode Chokes Procurement Notes

Verify the specific suffix designation when ordering, as the CMT-8111-B variant may differ from the standard CMT-8111 model. Confirm that the required inductance and current ratings align with the system design specifications. Ensure compatibility with through-hole assembly processes and verify that the physical footprint matches the intended PCB layout constraints before finalizing procurement.

Common Mode Chokes Selection Notes

Select this component when a 12 mH inductance and 4 A current handling capability are required for common mode noise reduction. Consider the unshielded construction and vertical pin configuration for board space planning. Evaluate the operating temperature range against environmental conditions. Compare against similar models like the CMT-8109-B if lower current or different inductance values better suit the application requirements.

Common Mode Chokes Part Context

This part belongs to the Triad Magnetics CMT series of common mode chokes. These components are engineered to minimize high-frequency noise in power circuits. The series offers various inductance and current ratings to accommodate diverse power supply designs. The CMT-8111-B represents a specific configuration within this family, optimized for higher current applications compared to lower-rated siblings.

Common Mode Chokes Replacement Considerations

The CMT-8111-B is a distinct variant of the CMT-8111. Verify if the base CMT-8111 model meets all electrical and mechanical requirements before substituting. Cross-reference with other CMT series parts such as the CMT-8109-B only if parameter adjustments are acceptable.