CMT-8118

Common Mode Chokes Overview

The Triad Magnetics CMT-8118 is a common mode choke from the CMT8100 series designed for EMI suppression in power supply applications. It features a single-channel configuration with radial through-hole mounting. Key electrical parameters include an inductance of 7.3 mH at 1 kHz, a maximum DC current rating of 9.3 A, and a maximum DC resistance of 32 mOhms. The component supports an AC voltage rating of 1500 V and operates within a temperature range suitable for industrial environments.

Common Mode Chokes Feature Summary

• Provides dependable common mode EMI suppression to eliminate noise common to all lines in power circuits
• Features a robust unshielded design optimized for high-current applications up to 9.3 A
• Supports high isolation requirements with a 1500 VAC withstand voltage rating

Common Mode Chokes Applications

• Power supply noise elimination
• EMI suppression in electronic equipment
• Common mode filtering for multi-line circuits

Common Mode Chokes Procurement Notes

Verify the specific part number suffix against official Triad Magnetics documentation to ensure correct pinout and tolerance specifications. Confirm that the 9.3 A current rating aligns with your system's thermal management capabilities. Cross-reference the 1500 VAC rating with your circuit's insulation requirements. Ensure the radial lead spacing matches your PCB footprint design before finalizing procurement orders.

Common Mode Chokes Selection Notes

Select this component when high current handling is required alongside significant common mode noise reduction. The 7.3 mH inductance offers a balance between attenuation and saturation performance. Consider the physical dimensions and through-hole mounting style if surface space is limited but board thickness allows. Compare the 32 mOhm DCR against efficiency targets for your specific power stage design.

Common Mode Chokes Part Context

This component belongs to the CMT8100 series of common mode inductors manufactured by Triad Magnetics. The series is characterized by its reliability in suppressing electromagnetic interference across various power conversion topologies. These chokes are engineered to handle substantial DC currents while maintaining effective filtering characteristics for sensitive electronic loads.

Common Mode Chokes Replacement Considerations

Direct substitutes within the same series may include variants with different inductance values such as CMT-8108 or CMT-8111, provided their current ratings and physical footprints are compatible with the existing design constraints.