How2Power.com
Answering your Questions about Power Design  

Base Metal Electrodes Reduce Size And Weight Of MLCCs In Satellites

Focus:

The rate of change in the satellite world is accelerating and along with that comes the changes needed for power supplies onboard. This article provides a high-level view of the emergence of base metal electrode (BME) multilayer ceramic capacitors (MLCCs) for satellite applications. After providing some background on MLCCs and the development of their electrode materials, this article describes the advances in component materials, construction and fabrication techniques, and the track record in automotive and other sectors that have proven the reliability of BME MLCCs. Then the size advantages which motivate the use of these capacitors in space are discussed. The rest of this article reviews the reliability studies that AVX has performed to qualify BME MLCCs for space, and the status of space approvals for these capacitors, particularly Mil Prf 32535. Finally, it discusses details of BME capacitor design for space. Article begins by discussing the changeover from precious metal electrodes (PMEs) to BMEs in the broad electronics industry.


What you’ll learn:

  • How to achieve size and weight reductions in space applications by switching to MLCCs with base metal electrodes
  • How to understand the capacitor design considerations and reliability studies that validate the reliability of BME MLCCs for satellite applications


View the Source


Author & Publication:

John Marshall, AVX, Coleraine, United Kingdom and Ron Demcko, AVX, Fountain Inn, S.C., How2Power Today, Mar 15 2019

This article summary appears
in the HOW2POWER Design Guide.


The Design Guide offers
organized access to
hundreds of articles
on dozens of power conversion
and power management topics.


The Design Guide search results
include exclusive summaries
and accurate "how to" analysis
to help you make faster,
more informed decisions.

Search
for more articles


   
   
   
   
   
About | Design Guide | Newsletter | SiC & GaN | Power Magnetics | Power Links | Events | Careers | Bookstore | Consultants | Contacts | Home | Sitemap   

This site is protected by copyright laws under U.S. and international law. All rights reserved.