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TDK Develops Low-Resistance Multilayer Ferrite Inductors for NFC

  • Posted by doEEEt Media Group
  • On March 10, 2021
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The inductors’ intended use is for the LC filters of NFC circuits. It is necessary for inductors to have narrow tolerances to minimize the loss caused by mismatched impedance with the antenna. TDK offers this line of inductors featuring a tolerance of ±5% to meet this need. In addition, it is important to control inductor loss at the 13.56 MHz communication frequency to prevent the reduction of antenna output power.
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Würth Elektronik Published New Catalog of AEC-Q200

  • Posted by doEEEt Media Group
  • On January 25, 2021
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Würth Elektronik has published a new catalog of AEC-Q200 certified components for automotive electronics. Product highlights include new ferrites, inductors and particularly robust electromechanical components.
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Sumida Extends its SMD Resin-Filled Power Inductor CD Series

  • Posted by doEEEt Media Group
  • On January 18, 2021
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By filling the winding wire with a resin containing magnetic material, the magnetic shield effect and the mechanical impact strength is significant. The new addition of CD****MB series, surface-mounted power inductor for resin-filled coils include the following types
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New Shielded High Temperature Power Inductors

  • Posted by doEEEt Media Group
  • On December 10, 2020
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Coilcraft MSS1812T Series shielded surface-mount power inductors feature low DC resistance and excellent current handling in a wide range of industry-standard footprints and inductance values, making them a cost-effective option for a variety of general-purpose applications.
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How to Use a Ferrite Bead to Reduce EMI

  • Posted by doEEEt Media Group
  • On November 5, 2020
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    • 3 likes
Ferrite beads protect PCB from EMI, by attenuating a specific band of high frequencies, or acting as an LC filter when combined with a capacitor, or separating ground and power planes.
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Factors in the Functionality of Transformer in Inductors

  • Posted by Tomáš Zedníček
  • On October 4, 2020
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EMC ferrites are based on Ni-Zn materials. This material has good quality factors (Q < 3) above approx. 20 MHz – i.e. trimmed for high losses. These originate in the core material and serve to absorb EMC interference. The inductance of these components is purposely kept low. Inductors however should show high quality factors, i.e. operate as loss-free as possible and buffer energy in the magnetic field. Also, they require stable inductance values over a wide frequency range. The distinction emphasized is reflected in the layout of the relevant manufacturer catalogue.
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Würth Elektronik Extends Miniature SMT Ferrites with Top Filter Properties

  • Posted by doEEEt Media Group
  • On August 7, 2020
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The SMDs are AEC-Q200 qualified as part of Würth Elektronik’s automotive electronics portfolio. WE-CBA features high-quality Ni-Sn electrodes, a very high current carrying capacity up to 6 A, and operating temperatures from -55 to +125ºC. The ferrites, which are available in various specifications, are ideally suited as data line filters and for decoupling the supply voltage.
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Sumida Developed SMD Power Inductors for Resin-Filled Coils

  • Posted by doEEEt Media Group
  • On May 27, 2020
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Sumida has developed a series of surface-mounted power inductors for resin-filled coils. By filling the winding wire with resin containing magnetic material, the magnetic shield effect and the mechanical impact strength is significant.
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