T540B686M004CH85107280

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The T540B686M004CH85107280 belongs to the category of tantalum - polymer capacitors. This type of capacitor is formed on the surface of an insulating and thermally stable polymer film that is provided with tantalum electrodes. They are mainly seen in a variety of low power, portable and medium power devices, such as cell phones, laptops, and telecommunications equipment.

T540B686M004CH85107280 is a miniature, high-capacity, high-voltage capacitor developed for use in high-density circuits. It features extremely low ESR and offers excellent stability over temperature and frequency compared to conventional tantalum and aluminum electrolytic capacitors. Its high-temperature stabilizer deposits an electrode coating directly onto a highly crystalline, extremely thermally stable, electrically insulating polymer film. This ensures that the capacitance remains stable and consistent under a wide range of environmental conditions.

Typical application fields of the T540B686M004CH85107280 include bypass circuits, voltage stabilization, noise suppression, AC and DC filtering, power supplies, and top-side frequency filters. It is also often used in power management, DC-DC converters (DC/DC), low-power audio amplifiers, TV sets and laptop computers.

The working principle of the T540B686M004CH85107280 is to store energy in the form of electrical charge with its conducting plates, separated by an insulating material called the dielectric. When a voltage is applied between the two plates, the electric field created across the dielectric causes an opposite electric field. This produces a field of electrostatic energy that draws electrons to the positive plate and repels them from the negative plate.

The two plates of the capacitor can store different amounts of charge depending on their capacitance, which is determined by their physical size and the dielectric material between them. This stored electric charge will remain in the capacitor until the applied voltage is reversed, allowing the electrical charges to become equal and the capacitor to return to its original state.

The T540B686M004CH85107280 is produced by many major manufacturers, including Hitachi, Cummins, Vishay and NEC. It has a broad range of applications in digital electronics and presents a great option for assembly lines that need large volumes of small-scale capacitors. It also has exceptional high temperature stability, as well as low temperature tolerance. As an additional bonus, this type of capacitor is relatively easy to replace and maintain.

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