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Varistors for Automotive Ethernet

  • Posted by doEEEt Media Group
  • On May 4, 2021
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AVX Varistors AVX began shipping a selection of multi-layer varistors (MLV) in 1988 and entered the automotive supply chain in 2001. AVX has adopted bismuth oxide (Bi2O3)-based construction for its high reliability and has resulted in zero defective parts per million quality record since 2008. In addition, these devices meet the strict automotive quality standards (AEC-Q200, for example) and as such, are an ideal choice for protecting automotive Ethernet circuits.
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Conductive Epoxy Capacitor Mounting Explained

  • Posted by doEEEt Media Group
  • On April 13, 2021
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    • 2 likes
MT components used in conductive epoxy processes must be compatible with the hydroscopic nature of electrically conductive epoxies. Conductive epoxy attachment offers a very low stress, low-temperature attachment method of creating end circuitry. Several important trends in SMT component technology are emerging, possibly limiting (small case size, FlexiTerm termination) – or expand (MLO technology) using conductive epoxy as an attachment method.
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Passive Automotive Electronics for 48V Systems and V2X

  • Posted by doEEEt Media Group
  • On March 18, 2021
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The shift toward 48V subsystems and the integration of vehicle-to-everything (V2X) communication are two prime examples of significant advances in efficiency and safety, respectively. In both cases, new classes of electronic passives (capacitors, inductors, antennas, interconnect) are required to bring these technologies to mainstream products while meeting strict automotive regulatory standards.
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Leading-Edge Film Capacitors

  • Posted by doEEEt Media Group
  • On March 10, 2021
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Film capacitors use a thin plastic film as the dielectric that separates multiple metal electrodes. The electrodes are either deposited directly on the film (metallization) or are built from separate metal foils. The plastic metal sandwich is wound on a bobbin, and a terminal contact layer is deposited to connect all of the individual capacitor layers in parallel effectively.
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Passive Components for GaN Based Devices

  • Posted by doEEEt Media Group
  • On February 15, 2021
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GaN-based power and RF (Radio Frequency) devices are now available from multiple manufacturers at affordable prices. AVX released a technical paper written by Ron Demcko and Daniel West on high-performance passive components for GaN devices.
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Pros and Cons of MLCC Downsizing

  • Posted by doEEEt Media Group
  • On January 25, 2021
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Advantages and disadvantages of MLCC downsizing are discussed in AVX technical papers written by Frank Hodgkinson and Maureen Strawhorne. As integrated circuits (ICs) continue to pack more functionality into smaller packages, the need for bulk off-chip capacitance remains. In resonant circuits, such as phase-lock-loops (PLLs) and switching regulators, precision class one ceramic capacitor may be required.
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