M550B128K050BS

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Tantalum-polymer capacitors provide a unique combination of high capacitance, high voltage, low equivalent series resistance (ESR) and low temperature coefficient of capacitance (TCC) in a single four-terminal package. The M550B128K050BS is a family of high-performance multi-layer tantalum-polymer capacitors from KEMET that offers excellent capacitance performance while also offering robust mechanical and electrical characteristics. The M550B128K050BS has a maximum capacitance of 128 uF/V with a rated voltage of 5 V. It also has a low ESR of 0.012 Ohms and a high ripple current of 6 A.

Using a multi-layer construction of electrolytic anodic film and a polymer dielectric, the M550B128K050BS is designed for high capacitance, high voltage, low ESR, and low TCC applications in a wide range of electronic equipment, from consumer electronics to industrial applications. It offers an excellent temperature tolerance, making it suitable for a variety of extreme conditions, from automotive applications to industrial equipment. The high capacitance of 128 uF/V and the low ESR of 0.012 Ohms make it an ideal solution for high-voltage/high-current applications, such as DC-DC converters, voltage sequential systems, power supplies, and DC motors.

The M550B128K050BS is built on a Sintered Tantalum Anode (STA) technology. This is a type of tantalum anode material in which a film of tantalum dioxide is formed by combining pressure and heat. This allows the anode material to compact close to the dielectric material, thus reducing the overall size and weight of the capacitor while also providing better thermal comfort. The STA technology helps to reduce leakage current and improve electrical stability, thus improving the long-term performance of the M550B128K050BS.

The working principle of the M550B128K050BS relies on charging electric charges onto the dielectric to create a voltage potential. The electrons in the anode become negatively charged, attracting a layer of positive charge ions from the solution. At the same time, electrons at the cathode become positively charged and attract negative charges, forming a layer of negative charge ions from the solution. These two layers of charge accumulate on two opposing surfaces and create a voltage potential. This is how the capacitor is able to store electrical energy.

Overall, the M550B128K050BS is a highly efficient, cost-effective solution for robust, high capacitance, high voltage, low ESR, and low TCC applications. With its ability to tolerate extreme temperatures, low ESR and high ripple current, it is suitable for DC motors, power supplies, DC-DC converters, voltage sequential systems, and other demanding applications. It also offers superior capacitance performance while providing high temperature tolerance and excellent electrical stability.

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