T55A476M004C0200

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Tantalum - Polymer Capacitors

Tantalum-Polymer Capacitors, such as the T55A476M004C0200, are gaining in popularity due to their improved performance over traditional Tantalum and Ceramic Capacitors. These capacitors are smaller in size and have a lower ESR (Equivalent Series Resistance). In addition, they are safer to use in high temperature and high frequency applications, as their performance does not degrade even when exposed to extreme temperatures.

Tantalum-Polymer Capacitors are used in a variety of applications, ranging from microprocessors, RF and hybrid circuits to switching supplies, signal processing circuits, and microcontrollers. They are increasingly being used to replace ceramic capacitors, due to their smaller size, low ESR, and higher current ratings.

The main advantages of Tantalum-Polymer Capacitors over ceramic capacitors include:

• Low equivalent series resistance (ESR) which improves switching characteristics.
• Excellent stability over temperature.
• High current ratings.
• Small size.

The main disadvantage of Tantalum-Polymer Capacitors is their relatively high cost. This has made them unsuitable for some consumer applications, where the cost of a capacitor is a significant factor in the overall cost of the product.

The T55A476M004C0200 is a high performance capacitor with a range of features that make it suitable for a variety of applications. It has a high current rating of 33 Amps, an electrolytic core, and a low ECM (Equivalent Capacitance Multiplier) of 0.35. This high current allows it to handle a high frequency, as well as providing stability against voltage fluctuations.

The working principle of a Tantalum-Polymer Capacitor is based on the same principle as a traditional Tantalum Capacitor. It consists of two contacts (an anode and a cathode) and a tantalum pentoxide layer which acts as the dielectric. When a voltage is applied between the anode and the cathode, electrons are moved from the anode to the cathode, which creates an electric field and allows current to flow. The degree of current flow is determined by the amount of charge stored in the dielectric layer.

To maximize the performance of Tantalum-Polymer Capacitors, they should be handled and installed with extreme care. They should be treated as Electrostatic Discharge (ESD) sensitive devices, and handled in accordance with the manufacturer\'s instructions.

In conclusion, Tantalum -Polymer Capacitors are a popular choice for high temperature and high frequency applications due to their improved performance over traditional Tantalum and Ceramic Capacitors. The T55A476M004C0200 is a high performance capacitor that can be used in a variety of applications. Its excellent stability over temperature, high current rating and low ECM make it ideal for a wide range of applications.

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