13008-061MESA

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Tantalum capacitors, also known as tantalum electrolytic capacitors, are electrical components which contain a tantalum foil anode with an oxide cathode and are characterized by a very high capacitance-to-volume ratio. They are known for their long life and their high frequency performance, making them ideal for use in a wide range of applications.

The MESA application field and working principle is based on the production of specially designed tantalum anode and cathode oxidised structures, which supply a high surface area to volume ratio for increased capacitance.

The basic working principle of MESA capacitors involves the use of an oxide film which is deposited on the surface of the tantalum foil. This oxide film acts as an electronic insulator, preventing current flow between the anode and the cathode. The oxide film also provides a large surface area for the formation of an electric double layer, which is used to store an electric charge.

The oxide film is created through a chemical process, in which the surface of the tantalum foil is exposed to oxygen in a vacuum chamber. The oxidation of the tantalum surface results in a layer of tantalum pentoxide, which is highly conductive. This layer is then anodized, further increasing its conductivity.

The structure of the MESA capacitor includes two metal contacts which are connected to the anode and cathode layers. When a voltage is applied across the two contacts, ions are attracted to the metal surfaces, forming a network of ions between the anode and cathode layers. This network of ions creates an electric double layer which is capable of storing an electric charge.

The capacitance of the MESA capacitor can be adjusted by changing the surface area of the oxide film, as well as by altering the thickness of the tantalum foil. The use of Tantalum allows for a much higher capacitance per unit volume than any other commercially available capacitor.

Due to its high capacitance, the MESA capacitor is suitable for use in a variety of different applications. It is commonly used in computer and other electronic systems, and is commonly found in motherboard power supplies, DC-DC converters, portable computer batteries, and digital signal processing (DSP) applications. The capacitor is also frequently used in high power switching circuits such as DC-DC converters, power inverters, and motor controllers.

In addition to its high capacitance, MESA capacitors are also known for their low leakage current, long lifetime, and high temperature operation. They are also available in a variety of materials, sizes, and shapes, making them suitable for use in a variety of applications. Additionally, they can be used in extreme temperature environments without deteriorating.

MESA capacitors are an ideal choice for use in a wide range of applications. Their high capacitance, combined with their low leakage current, long lifetime, and ability to operate in extreme temperatures make them an ideal choice for many systems and applications. Additionally, they are available in a variety of materials, sizes, and shapes, allowing for a wide range of applications.

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