CMT908-H2-B

Common Mode Chokes Overview

The Triad Magnetics CMT908-H2-B is a through-hole common mode choke designed for power line EMI suppression. It features an inductance of 4 mH at 10 kHz and supports a maximum DC current of 5.2 A. The component has a maximum DC resistance of 40 mOhms and utilizes a horizontal package with four PC pins. Operating within a temperature range of -40°C to 125°C, it serves as a dual-element filter for eliminating noise common to all lines in various power supply applications.

Common Mode Chokes Feature Summary

• Provides common mode EMI suppression for power lines
• Designed for through-hole mounting with horizontal configuration
• Capable of handling high DC currents up to 5.2A

Common Mode Chokes Applications

• Power supply noise elimination
• Common mode filter inductors
• EMI suppression circuits

Common Mode Chokes Procurement Notes

Verify the specific suffix 'B' against the manufacturer's datasheet to confirm pinout and mechanical dimensions. Ensure the 5.2A current rating meets circuit requirements. Check RoHS compliance status if required by assembly standards. Confirm operating temperature range suitability for the intended environment.

Common Mode Chokes Selection Notes

Select this component when a 4 mH inductance at 10 kHz is required for common mode filtering. The 5.2A current capacity suits moderate power applications. The through-hole format is appropriate for boards requiring robust mechanical anchoring. Verify that the 40 mOhm DCR aligns with efficiency targets.

Common Mode Chokes Part Context

This part belongs to the CMT series of encapsulated toroidal inductors from Triad Magnetics. These components are engineered for dependable EMI suppression in power electronics. The series offers standardized mounting options and consistent performance characteristics for industrial and commercial power supplies.

Common Mode Chokes Replacement Considerations

The CMT908-H1-B is a related variant offering 2 mH inductance and 7.5A current capacity. Verify compatibility before substitution as electrical parameters differ significantly.