Kyocera Develops World's First 1206 Size, 100V-Rated Multilayer Ceramic Capacitor with Maximum Operating Temperature of 125°C and Capacitance of 4.7μF

*4 compared with conventional products. By introducing this newly developed MLCC to the market, Kyocera hopes to contribute to further size reduction and service life extension of industrial equipment.

Main Features

1. World's first 1206 size, 100V-rated MLCC with a maximum operating temperature of 125°C and a capacitance of 4.7μF
Utilizing its long-accumulated material technology, Kyocera has developed a new dielectric material by reducing the average diameter of particles by approximately 20% and enhancing its uniformity of composition. This allows Kyocera to minimize the degradation in dielectric properties such as dielectric constants and insulation resistance against high voltage, even when the thickness of a dielectric layer is reduced. As a result, Kyocera has succeeded in developing the world's first 1206 size, 100V-rated MLCC with a maximum operating temperature of 125°C and a capacitance of 4.7μF.

2. Excellent ripple-resistance
In addition to low ESR, an intrinsic characteristic of MLCC, this product features a smaller size with high voltage resistance and high capacitance. While aluminum electrolytic capacitors are currently widely used in the market as smoothing capacitors for electronic circuits, this product exhibits ripple-resistance*5 even in frequency bands of more than several dozen kHz, which cannot be achieved by aluminum electrolytic capacitors (e.g. ESR10mΩ at 50kHz, with a load of DC40V). This allows the capacitor to limit heat generation in the power supply circuit and voltage fluctuation to low levels, thus contributing to downsizing and enhancing reliability of industrial equipment.

*1. As of February 2013. Based on research by Kyocera.
*2. Conventional Kyocera product CM32X7S475M100V (3.2x2.5x2.5mm).
*3. X7S (EIA): Temperature variation of capacitance is within ±22% from -55 to +125°C.
*4. Compared with conventional Kyocera materials. Based on research by Kyocera.
*5. Ripple-resistance refers to an allowable amount of AC components (current noise) superimposed on the DC voltage. When AC components flow into the capacitor, heat is generated due to DC resistance of the capacitor (Equivalent Series Resistance: ESR), which may reduce service life in some cases. Therefore, it can be said that ripple-resistance is higher when ESR is low, as heat is not easily generated. As MLCCs essentially have a lower ESR than other capacitors such as aluminum electrolytic types, they feature superior voltage smoothing performance.

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Kyocera Corporation (NYSE: KYO)(TOKYO:6971) (, the parent and global headquarters of the Kyocera Group, was founded in 1959 as a producer of fine ceramics (also known as "advanced ceramics"). By combining these engineered materials with metals and plastics, and integrating them with other technologies, Kyocera has become a leading supplier of electronic components, semiconductor packages, telecommunications equipment, solar power generating systems, printers, copiers, cutting tools and industrial ceramics. During the year ended March 31, 2012, the company's net sales totaled 1.19 trillion yen (approx. USD14.5 billion). The company is ranked #426 on Forbes magazine's 2012 "Global 2000" listing of the world's largest publicly traded companies.

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