Full paper download This paper describes the physical background of the voltage-dependent capacitance of class II Multilayer Ceramic Capacitors (MLCC) and present models for this dependency. The paper was presented by Frank Puhane, Würth Elektronik, Germany at the 4th PCNS 10-14th September 2023, Sønderborg, Denmark as paper No.2.3. Two processes of the voltage-dependency can be distinguished, leading to an immediate as well as a long-term capacitance dependence...

Full paper download Tantalum capacitors are the preferred choice for applications requiring the highest energy density, best reliability, low ESR, and excellent stability over wide ranges of time and application temperatures. This paper shows the latest status of newly developed powders that extend the range of forming voltage to 300 V and 400 V and thus enables extension of tantalum capacitor voltage ranges to new...

Full paper download A stable, reliable, and responsible tantalum supply chain is critical to the supply of electronic components such as capacitors and semiconductors for the automotive, aerospace, medical, defense, energy, and chemical processing industries.  Until recently, the tantalum supply chain has experienced intermittent periods of stability and volatility. This paper will discuss tantalum supply chain past, present, and future, and how it can now...

This article reviewing our findings on the effect of the burn-in test, a common quality control process, on the dynamics of oxygen vacancies within BME MLCCs. These findings reveal the burn-in test has a negative impact on the lifetime and reliability of BME MLCCS. Full paper download This paper by Pedram Yousefian, Ph.D. candidate at Materials Research Institute, Department of Materials Science and Engineering,...

Electrical Double Layer Capacitors (EDLC) supercapacitors have shown significant growth in the last several years. This paper by Vishay presents 3.0V EDLC supercapacitors and its benefits to achieve a longer useful life and also meet the stronger and more harsh requirements with regard to high humidity and low losses over a wide temperature range. Full paper download This paper was presented by Gerald Tatschl,...