T550B756K075AT4252

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Tantalum-polymer capacitors are part of the same family of capacitors as tantalums, but with a few important differences. They combine the highest quality Available Polymer Electrolyte and a manganese dioxide anode, which has a lower dielectric constant than traditional tantalum anodes. This results in a capacitor with very low leakage current, high capacitance stability, and extreme temperature and voltage capabilities.

T550B756K075AT4252 is a type of tantalum-polymer capacitor. It is specifically a surface mount chip tantalum-polymer capacitor (AX) which is typically used in mobile phones, laptop computers and other portable devices such as tablets and cameras. The code "T550B756K075AT4252" indicates its size. It is a 50V, 6.3V rated, 7.5μF polarized unit which offers a capacitance tolerance of ±10%.

T550B756K075AT4252 capacitors are mainly used for buffering, decoupling and filtering circuits. Due to their high capacitance stability and low leakage current, these capacitors are especially suitable for low-power audio-visual and telecommunication applications. Furthermore, their low ESR (Equivalent Series Resistance) enables them to be used as active filter elements.

The working principle of the T550B756K075AT4252 tantalum-polymer capacitor is mainly based on the capacitance effect; a voltage is applied across two capacitor plates, creating a field that stores electrical energy. The capacity of a capacitor depends on the equivalent series resistance (ESR), its dielectric material and its physical size. The dielectric material used to make tantalum-polymer capacitors is very stable, which is why they can be used in high-temperature environments.

The construction of tantalum-polymer capacitors also allows for their considerable capacitance values in small sizes. The anode consists of manganese dioxide material, which is compressible and highly conductive. It is then placed onto a metal plate and held together by an insulating polymer film.

These capacitors are also often used in automotive circuits operating at temperatures of up to 150oC. The higher temperature rating of tantalum-polymer capacitors enables them to provide reliable energy storage solutions in various automotive applications such as ECU, ignition, engine control and electric power steering systems.

In conclusion, the T550B756K075AT4252 tantalum-polymer capacitor is a reliable, high-performance capacitor suitable for a range of applications from mobile phones to automotive circuitry. Various properties, such as their high capacitance stability, low ESR, and wide temperature range make them ideal for advanced applications.

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