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KEMET’s New Surface Mount Safety Certified Ceramic Capacitors Provide Solutions for Space Constrained Mains Powered Applications

New devices offer smaller form factors to save space and simplify manufacturing versus competing leaded devices in AC line filtering applications

KEMET Corporation a leading global supplier of electronic components, has launched a new range of surface mount device (SMD) safety certified multilayer ceramic capacitors (MLCCs) for use in mains-powered applications. The CAS series addresses widespread demand for miniaturization without compromising performance by offering higher capacitance, smaller overall size and simplified assembly versus existing leaded disc devices which represent the majority of safety-certified ceramic capacitors currently on the market.

According to market research*, the overall power supply sector is expected to grow to USD 34.92 billion by 2023, at a CAGR of 6.7% from 2018 to 2023. Within this, AC/DC power conversion is considered the largest and fastest growing type of power supply owing to its increasingly wide range of uses and applications. KEMET’s CAS series of SMD MLCCs offers important design and production benefits versus leaded disc devices for AC line filtering in this significant and expanding market.

With a trend to increased functionality in the same or smaller spaces, and industry and consumer demand for portable solutions, the PCB real estate available for electronics, including power delivery systems, is shrinking. Commonly used safety certified leaded disc components are bulky compared with KEMET’s CAS series SMD MLCCs and are therefore often not suitable for applications with restricted spaces in which filtering circuitry needs to be placed. Leaded disc devices also require pin-through installation into PCBs, a process that is not compatible with standard automated reflow profiles and therefore can result in additional production costs.

Filtering is important in mains powered products to manage unwanted transients such as high frequency noise in both line-to-line (Class X) and line-to-ground (Class Y) applications. Safety certified capacitors are used in a wide variety of applications, such as power adapters for mobile devices, industrial power distribution, and electric vehicle power inverters.

Commenting on the release, Reggie Phillips, Senior Product Manager, KEMET, said: “Until now, safety certified capacitor technology has not kept pace with advances in MLCC technology. Our new CAS range allows engineers to place the essential mains-connected filtering capacitors into smaller spaces, thereby reducing board size. For manufacturing professionals, the benefit is that the new devices are compatible with standard reflow processes, eliminating an additional step in the manufacturing process.”

*Power Supply Market by Output Power, Product Type, Vertical (Lighting, Consumer Electronics, Telecommunications, Transportation, Food & Beverages, Medical & Healthcare, Military & Aerospace, Industrial), and Geography – Global Forecast to 2023 – Published by MarketsandMarkets™ (https://www.​marketsandmarkets.​com/Market-Reports/power-supply-market-52394163.​html)

About KEMET
KEMET offers our customers the broadest selection of capacitor technologies in the industry, along with an expanding range of electromechanical devices, electromagnetic compatibility solutions and supercapacitors. Our vision is to be the preferred supplier of electronic component solutions demanding the highest standards of quality, delivery and service. The Company’s common stock is listed on the NYSE under the symbol “KEM.” Additional information about KEMET can be found at http://www.kemet.com.

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