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    Murata Expands its Automotive Common Mode Choke Coils to 150C and High Current Capability

    Bourns Releases New Current Transformer

    Skeleton Releases GrapheneGPU to Reduce AI Energy Consumption by 44% and Boosts Power by 40%

    VINATech Expands Aluminum Capacitor Portfolio with Acquisition of Enesol

    binder Offers Wide Range of M12 Panel Mount Connectors

    Bourns Releases New Shielded Power Inductors for DDR5

    Supercapacitors Benefits in Industrial Valve Fail-Safe Control Systems

    Wk 21 Electronics Supply Chain Digest

    Samsung Electro-Mechanics Releases High-Capacitance MLCCs for AI Server Applications

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How to Pass Conducted Emissions Using Line Filters; WE Webinar

4.1.2023
Reading Time: 1 min read
A A

This Würth Elektronik webinar presented by Lorandt Foelkel and Marco from Emzer is dedicated to design engineers and explain the basic strategy where to use a power line filter and common mode choke to solve conducted emissions using the strategy of separating differential (DM) and common mode (CM) components, choosing an optimum filter can be applied to past the tests.

The webinar will demonstrate the strategy with a theoretical approach and live demo experiments.

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Outline:

  • Fundamentals of filter design: here I would explain the different behavior of ferrite materials — Lorandt (ca. 6 minutes)
  • How does a a Common Mode Choke (CMC) work and its leakage current ? – Lorandt (ca. 8 Minutes)
  • Different Line Filters comparison – Lorandt (ca. 10 Minutes)
  • EMI modes: DM vs CM — Marco (ca. 6 minutes)
  • Real world example: a real power supply will be evaluated to show how a product is failing in conducted emissions. Then, the DM and CM will be identified, and an optimum filter will be designed and tested solving the problem. — Marco (ca. 18 minutes)

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Source: Würth Elektronik

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