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Capacitor Forum

Capacitor Info & Resources
for the Power Electronics Industry.

Presentations

APEC 2022 Industry Session - IS22 - The Latest and Greatest Capacitor Technology Improvements for Wide Bandgap Applications
IS22.1 Capacitor Technology Trends for Wide Bandgap Semiconductors2.28 MBIS22.2 Multiple Capacitor Dielectrics Support Wide Bandgap Power Solutions4.58 MBIS22.3 Mind the Gap: E-Cap Technologies for Wide Bandgap Solutions4.98 MBIS22.4 High-Density Low-Profile Capacitors Toward 3D Heterogeneous Integration3.34 MB
2022 PSMA/PELS Capacitor Workshop: How Materials and Environmental Effects Influence Capacitor Performance

Presentation recordings (click to expand)

Keynote

The Next Decade Capacitor Requirements (Tomas Zednicek, EPCI - European Passive Components Institute)

Technical Session - Materials

     
Nanocomposites: Next generation capacitor materials for the green transition (Dr William Greenbank, Centre for Industrial Electronics (CIE), University of Southern Denmark)   MLCC, Class1, Class 2, BME, NME – all clear? Sure thing (Frank Puhane, Wurth Elektronik)   Panel Discussion (Puhane, Zednicek)

Technical Session - Materials & Technologies 

     
E-Cap Technologies When things get rough (Stephan Menzel, CapXon Europe)   Board Level Bulk Capacitor Characteristics, Reliability, Applications & Trends (Daniel West, KYOCERA - AVX)   Tantalum Capacitors Technology (Cristina Mota Caetano/ Philip Lessner, KEMET Electronics Corporation)
 
     
Supercapacitor Applications for Renewable Energy Systems and DC Microgrids (Nihal Kularatna, University of Waikato)   Panel Discussion (Lessner, Menzel, West)    

Technical Session - Environmental Influences on Capacitors

   
How Capacitors Behave Under Extreme Temperatures (Frank Puhane, Wurth Elektronik)   Rating MLCCs for AC Applications (John Bultitude, KEMET Electronics Corporation)   Packaging MLCCs for Higher AC Voltage Applications/ Future Developments (Douglas Hopkins, North Carolina State University)
     
How Capacitors Behave Under High Humidity (Philip Lessner, KEMET Electronics Corporation)  

Panel Discussion (Bultitude, Hopkins, Lessner, Puhane)

    

Technical Session - Measurements

     
How to Interpret the Datasheet (Jon Izkue-Rodriguez, Würth Elektronik)   DC-Link Capacitor Characterization with the MFIA Impedance Analyzer (Ronald Alexander, Zurich Instruments)   Aging and Incircuit Characterization of an Aluminum Electrolytic Capacitor (Marcus Sonst, Rohde & Schwarz)
 
Magnetics/ Capacitor Rap Session
Magnetics/ Capacitor Rap Session; Moderator - Alexander Gerfer, Wurth Elektronik

Presentation slides (click to expand) 

Keynote

Technical Session - Materials

Technical Session - Materials & Technologies 

Technical Session - Environmental Influences on Capacitors
Technical Session - Measurements

 

APEC 2021 Industry Session - IS11 - Capacitors
IS11.1-Emerging Applications and Technologies for Film Capacitors.pdf5.45 MBIS11.2-Silicon Based Supercapacitors - Evolution to Integrated Passives.pdf2.63 MBIS11.3-Capacitor Solutions for Resonant Converter Applications.pdf3.74 MBIS11.4-MLCCs for New Power Conversion Solutions.pdf2.71 MBIS11.5-Advances in Embedded Componentry.pdf1.25 MBIS11.6-Introduction of Metal Foil-Based Capacitor for Embedding Solution.pdf1.51 MBIS11.7-Aluminum Polymer as a Solution for Embedded Componentry.pdf2.42 MB
2020 Industry Session - Standing Up to the Mission Profiles of the Future: Capacitors Ready for eMobility & Broadband Applications

This session was be presented virtually on July 21 and 28, the recordings and slides are available below.

The focus of this session is to establish the differences in today’s mission profiles and those that will be put upon the nearly 100% up-time technologies of the future. The world of eMobility and autonomous vehicles is one that requires that components meet extended levels of reliability and robustness. Covered will be the materials, applications, and devices that component manufacturers are positioning for applications with extended mission profiles.

Satisfied with MLCC Downsizing and Availability Let's Go Behind the Scenes of Technology, Their Physics & Alternatives; Frank Puhane, Wuerth Elektronik

A Ride-Along with Tantalum Polymer; Wilmer Companioni, KEMET Electronics

Innovative Film Capacitor Technologies for Wide Band-Gap Semiconductors; Eduardo Drehmer, TDK Electronics

Aluminum Capacitors for Industrial Application; Sebastian Schoell, TDK Electronics

Film Capacitor Technology for DC Link; Anvy Chen, Xiamen Faratronic Co., Ltd

Supercapacitor based Long Time Constant Circuits: A Unique Design Opportunity for New Power Electronic Topologies; Nihal Kularatna, The University of Waikato

 

2020 How to Choose and Define Capacitor Usage for Emerging Applications Workshop Presentations

Mobility of the Future, Capacitors in Electric Aircrafts and Emobility Solutions (Session 1 April 21) (click to expand)

 

Capacitor Technology for Future Applications (Session 2 April 28) (click to expand)

 

Capacitor Technology for Future Applications (Session 3 May 5) (click to expand)

                   

Physics Doesn't Lie or What's the Future on Capacitors (Session 4 May 5) (click to expand)

 

 

APEC 2019 Industry Session - Design Considerations And A Deep Dive Into Capacitor Technologies
The Impact of Wideband Technologies on Application of Capacitors - A Deep Dive on Capacitor Technology -

Presentation recordings (click to expand)

Keynote

         
Capacitors ... Going GaNFast, Opportunities and Challenges in High-Frequency Power Systems (Gene Sheridan, Navitas)        

 

Session I

     
Supercapacitors Technical and Physical Basics of EDLC (Rene Kalbitz, Wurth Elektronik)   Tantalum Capacitors Design and Characteristics (Wilmer Companioni, KEMET)   Panasonic Polymer Capacitors A technology to Overcome the MLCC Crisis (Billy Ogana, Panasonic)
       
Loss Modeling of Ceramic Capacitors Under High DC Bias Voltage and AC Current Ripple in High Density Power Converters (Rober Pilawa, UC Berkeley)        

Session II

   
Multilayer Ceramic Capacitors (MLCCs) (Wilmer Companioni, KEMET)   High Frequency Power Film Harmonic Filter Capacitors (Hector Casanova, Cornell Dubilier Electronics)   Supercapacitors, Applications and PROS & CONS (Brendan Andrews, Tecate)
     
Capacitors in Low Voltage AC Drives (Ranga Tallam, Rockwell Automation)   Challenges of Implementing Capacitor Technology in Automotive Applications (Thomas Ebel, SDU)    

Session III

   
PolyCharge America Overview (Fred Weber, Polycharge)   DC Link Capacitors for an Electric Superbike (Pat Wheeler, University of Nottingham)   The Film Cap. Tech. For DC Link (Anvy Chen, Xiamen Faratronic)
     
High Power Converter – 150 W Buck-Boost in Detail (Andreas Nadler, Wurth Elektronik)   Conditional Monitor Techniques for Capacitors (Mark Scott, Miami University)    

Session IV

   
Thermal Modeling and Characterization of Capacitor Banks for MW Power Converters (Huai Wang, Aalborg University)   Lessons Learned of MLCC Allocation (Pierre Lohrber, Wurth Elektronik)   Panel Discussion  (Casanova, Companioni, Lohrber, Ogana)

 

Presentation slides (click to expand) 

Keynote

Session I

Session II

Technical Demonstrations

Magnetics

  • Development of Distributed Gap Powder Core Materials to Address Higher Frequency Applications 1 MHz at High Operating Temperature Ranges (Chris Oliver, Micrometals)
  • Emerging Magnetic Materials and Magnetic Structures (John Lynch, Fair-Rite)
  • Fundamentals of L, R, Z Measurments (Jenna Pollock, Independent)
  • Materials Magic Nanocrystalline, Amorphous and Powdered Amorphous Cores (Ken’ichi Chata’ni, TOKIN, A Kemet Company)
  • Multiscale Nanolaminated Metallic Cores for High Frequency Magnetics (Mark Allen, University of Pennsylvania)
  • Pulse Testing of Magnetic Cores and Inductors (JC Sun, Bs&T)
  • Soft Magnetic Metal-flake Composite Material Suitable for High Frequency Power Modules (Ken’ichi Chata’ni, TOKIN, A Kemet Company)
  • Strain Annealed Metal Amorphous Nanocomposite Soft Magnetic Materials (Seung Ryul Moon, National Energy Technology Laboratory)

    • Session III

    Session IV

     

    APEC 2018 Industry Session - Capacitors for Emerging Power Conversion Applications
    IS03.1 PLZT Capacitors for High Frequency Operation.pdf1.03 MBIS03.2 Capacitors in Switching Power Conversion.pdf1.58 MBIS03.3 How Advances in Flat Aluminum Electrolytic Capacitors Are Solving Today’s Power Design Problems.pdf1.65 MBIS03.5 ChangeHigh Temperature Capacitor Applications in More Electric Aircraft.pdf2.47 MBIS03.6 Aluminum Electrolytic vs. Aluminum Polymer Capacitor.pdf2.07 MBIS03.7 Small size stack capacitors replace.pdf2.01 MB
    Everything You Wanted To Know About Capacitors But Were Afraid To Ask 2018 Workshop

    Presentation recordings (click to expand)

    Keynote

             
    DC-link Capacitors: A Summary of the Work Performed Under DoE Programs DE-EE-00006433, DE-EE-00006438, and DE-AC02-06CH11357 (Ralph Taylor, Delphi Technologies)        

     

    Low Voltage DC Capacitor Applications

         
    Ceramic Capacitors – Low Voltage DC (Wilmer Companioni, KEMET Electronics Corporation)   Difference Between Traditional Aluminum Electrolytic and  Polymer Capacitors  (Frank Puhane, Wurth Electronics)   Recent Developments on Supercapacitors and their Applications (Nihal Kularatna, The University of  Waikato New Zealand)
           
    Panel Discussion - Low Voltage (Companioni, Puhane, Kularatna)        

    High Voltage AC & DC Capacitor Applications

       
    High density capacitor-based power converters - application challenges and requirements (Robert Pilawa-Podgurski, University of California, Berkeley)   High Voltage Ceramic Capacitors (HV MLCCs) (Wilmer Companioni, KEMET Electronics Corporation)   High Voltage Film Capacitors  (Scott Franco, Cornell Dubilier Electronics)
         
    High Voltage in Aluminum Capacitors (Pierre Lohrber, Wurth Electronics)   Panel Discussion - High Voltage (Pilawa, Companioni, Franco, Lohrber)    

    Common Capacitor Failure Modes

       
    Recent Advances in Embedded Capacitors (Robert Grant Spurney, Georgia Institute of Technology)   Ceramic Capacitors – Failure Modes (Wilmer Companioni, KEMET Electronics Corporation)   Failure Modes of High Voltage Film Capacitors (Scott Franco, Cornell Dubilier Electronics)
       
    Aluminum Electrolytic Capacitors – Failure Modes (Stephan Menzel, Wurth Electronics)   Capacitor Failure Modes and Lifetime Models – from an Application Perspective (Huai Wang, Aalborg University)   Panel Discussion - Failure Modes (Spurney, Companioni, Franco, Menzel, Wang)

    Presentation slides (click to expand) 

    Keynote

    Low Voltage DC Capacitor Applications

    High Voltage AC & DC Capacitor Applications

    Technical Demonstrations

    Magnetics

    Capacitor

    Common Capacitor Failure Modes

     

     

    APEC 2017 Industry Session - Capacitor Technologies for Evolving Power Electronic Applications
    IS18.1 Dry Film Capacitors for High-Frequency Power Electronics.pdf993.13 KBIS18.2 Embedding Aluminum Polymer Elements.pdf2.39 MBIS18.3 Metallized Polypropylene Capacitors for Electrification of Larger Vehicles.pdf1.18 MBIS18.4 Aluminum Electrolytic vs. Polymer –Two Technologies – Various Opportunities.pdf3.75 MBIS18.5 Ceramic Capacitors with Base Metal Electrodes for Power Electronics Applications.pdf1.71 MBIS18.6 Downhole Tools in the Oilfield Services Industry Transformation to Improve Reliability.pdf1.48 MBIS18.7 Benefits of Million Times Larger Capacitance in EDLCs Supercapacitor Assisted Novel Circuit Topologies.pdf1.76 MB
    APEC 2015 Industry Session - Applications Dictate Capacitor Technology
    IS9.1 Supercapacitors in Transportation Applications.pdf1 MBIS9.2 Film Capacitors for High Temperature Switches and Power Electronics Applications Above 125C.pdf1.23 MBIS9.3 Modeling of Transient Electrical, Thermal and Lifetime Behavior of Aluminum Electrolytic Capacitors, Focusing on Large DC Link Capacitors.pdf1.78 MBIS9.4 Quantifying Allowable AC Parameters for DC Rated Ceramic Capacitors.pdf3.02 MBIS9.5 DC Filter Capacitors with Metallized Film Technology Show Volumetric Effeciencies for Medium Voltage Motor Drives.pdf1.02 MBIS9.6 High Operating Temperature Metalilized Film Capacitors for Downhole Tools in the Oil and Gas Industry.pdf1.53 MBIS9.7 New Polymer Capacitors for DC to DC Convertors in Automobile Infotainment Systems.pdf1.55 MB
    APEC 2013 Industry Session - Advances in Capacitors and Ultracapacitors for Power Electronics
    2013 APEC - IS 1.3.1 AC Film Capacitors for Inverter Output Filters.pdf408.53 KB2013 APEC - IS 1.3.2 Replacing Aluminum Electrolytic Bus Caapacitors with Power Film Capacitors.pdf244.14 KB2013 APEC - IS 1.3.3 Power Film Capacitors for DC Bus Applications.pdf428.62 KB2013 APEC - IS 1.3.4 AC Capacitors 1000-7000 VAC, Film Capacitors with Aluminum Foil Electrodes.pdf1.89 MB2013 APEC - IS 1.3.5 120 Hz Power Filtering using Electric Double Layer Capacitors.pdf1.17 MB2013 APEC - IS 1.3.6 High-voltage Polymer Aluminum and Tantalum Electrolytic Capacitors.pdf843.82 KB2013 APEC - IS 1.3.7 SPICE Programs for Aluminum, Ceramic, Film, and Tantalum Capacitors, and Ultracapacitors.pdf979.63 KB
    APEC 2011 Special Presentation Capacitors in Power Electronics
    2011 APEC - SP 1.3.1 MLCC Advancements in Ceramic Capacitors1.pdf1.6 MB2011 APEC - SP 1.3.2 Aluminum Electrolytic Capacitors in Power Electronicss1.pdf1.46 MB2011 APEC - SP 1.3.3 Conductive Polymer Cathode with Tantalum and Aluminum Capacitors1.pdf2.34 MB2011 APEC - SP 1.3.4 Polymer Film Capacitors1.pdf2.92 MB2011 APEC - SP 1.3.5 High Voltage Film Capacitors1.pdf435.18 KB2011 APEC - SP 1.3.6 Ultracapacitors1.pdf552.67 KB2011 APEC - SP 1.3.7 Comparison Capacitor Sources in High Current Pulsed Loaads1.pdf1.96 MB