CMT-8121

Common Mode Chokes Overview

The Triad Magnetics CMT-8121 is a through-hole common mode choke designed for EMI suppression. It features an inductance of 1 mH and supports a maximum DC current rating of 20 A. The component exhibits a maximum DC resistance of 7 mOhms and withstands an AC voltage rating of 1500 V. It operates within a temperature range of -55°C to 105°C or +150°C depending on the specification source, and carries CSA, IEC, UL, and VDE approvals.

Common Mode Chokes Feature Summary

• Provides superior EMI suppression by eliminating common noise signals
• Supports high current applications with a 20 A DC current rating
• Offers robust electrical isolation with a 1500 V AC voltage rating

Common Mode Chokes Applications

• Power supply input filtering
• Industrial equipment noise reduction
• Consumer electronics EMI mitigation

Common Mode Chokes Procurement Notes

Verify specific operating temperature limits as sources cite both 105°C and 150°C maximums. Confirm package dimensions and pin configuration against mechanical drawings. Ensure the 1500 V AC rating meets system insulation requirements. Check approval agency listings for regional compliance needs.

Common Mode Chokes Selection Notes

Select this component when high current handling up to 20 A is required alongside significant inductance. The low DC resistance minimizes power loss. Verify that the through-hole mounting style fits the target PCB layout. Ensure the physical size accommodates the enclosure constraints.

Common Mode Chokes Part Context

This part belongs to the CMT series of common mode chokes from Triad Magnetics. The series utilizes advanced magnetics to address electromagnetic interference issues in various electronic circuits. These components are engineered for reliability in demanding environments requiring strict noise control.

Common Mode Chokes Replacement Considerations

No public confirmed substitute part numbers are available in the provided data.