T55B476M6R3C0150

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Tantalum capacitors make use of the ability of tantalum to form an oxide layer on their surface when in contact with oxygen. This layer acts as a dielectric and allows capacitors to operate in environments with high humidity and temperatures while still offering good reliability and a high level of electrical performance. T55B476M6R3C0150 is one such tantalum - polymer capacitor commonly used across a vast range of applications.

The T55B476M6R3C0150 is typically used to provide greater decoupling in low RDSon DC-DC converters. These capacitors have a high capacitance to volume ratio and very low ESR (Equivalent Series Resistance) so they can handle fast transients such as switching noise with ease, making them an excellent choice for many types of applications.

The T55B476M6R3C0150 capacitors are constructed from a combination of polymer, tantalum and organic binders, which are then encapsulated in a molded epoxy case, making them suitable for operation in most standard environmental conditions, including temperatures up to 125C. The ESR is typically very low, ranging from 0.3 up to 5 ohms depending on frequency, and the capacitance is quite high for its size, ranging from 5 to 470μF (microfarads) for the models that have a case diameter of 7.3 mm.

The components also have a low leakage current, which is important when used in filtering applications. Furthermore, they are also available in AXL, SXJ and DXJ form factors, allowing for design flexibility, and they also feature very low ESR across the entire temperature range.

The basic working principle of the T55B476M6R3C0150 tantalum - polymer capacitors is based on Faraday’s law of electrostatic induction, where any change in the voltage potential between two metal plates will cause an electric field to be formed. This electric field, in turn, causes an electric charge to be stored on the capacitor’s plates, and thus a current will flow through the circuit when the voltage is applied. By using an insulating dielectric material, such as the polymer used in these capacitors, the capacitance, i.e. the amount of charge stored on the capacitor’s plates, can be increased.

Tantalum - polymer capacitors such as the T55B476M6R3C0150 are widely used in a variety of electronic applications, from high power DC-DC converters and motor drives, to audio and telecoms equipment. They are ideal for filtering out high frequency noise and for supporting bulk capacitance in power circuits. In addition, they offer excellent solderability, reliability, low ESR and the added benefit of a low current leakage, all of which make them the perfect choice for many of today\'s electronic applications.

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