550D476X9020R2T

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Tantalum Capacitors

Tantalum capacitors are electrolytic capacitors that are made using tantalum metal as an electrode and a solid manganese dioxide electrolyte. This type of capacitor stores and releases electrical energy, and has the ability to filter high-frequency electrical signals. They are used primarily in applications requiring high capacitance values, such as computer memories, power supplies, input/output audio circuits, power amplifiers, and radio frequency circuits.

550D476X9020R2T Application Field and Working Principle

The 550D476X9020R2T tantalum capacitor is a Surface Mount Device (SMD) capacitor, which has a 476 Volts Direct Current (DC) rating. This capacitor is typically used in applications such as DC-DC converters, LC filters, high DC blocking voltage, and switching frequency applications. The 550D476X9020R2T capacitor has a very low ESR (Equivalent Series Resistance).

The working principle behind a tantalum capacitor is based on the electrochemical process. The tantalum capacitor has two terminals, an anode and a cathode separated by a dielectric material. A voltage differential between the two terminals creates an electric field, which results in an ionic charge being stored on the two metal plates. This electricity is then discharged when required by creating a conductive bridge between the terminals. The applied voltage causes a thin film of manganese dioxide to be formed, which allows current to pass between the two plates and charges them.

Tantalum capacitors are advantageous in that they are smaller than their counterparts and are capable of being soldered directly to the printed circuit boards eliminating the need for soldering wires. This makes them well suited for applications requiring high-frequency currents. Additionally, tantalum capacitors are highly reliable, have large capacitance values, and are more cost effective than some of the other charged capacitor technologies.

In conclusion, the 550D476X9020R2T tantalum capacitor is a highly reliable, cost effective capacitor with high capacitance values and low ESR. It can be used in a variety of applications such as DC-DC converter, LC filters, high DC blocking voltage, and switching frequency applications. This capacitor is ideally suited for highly sensitive applications due to its small size and the ability to be soldered directly to the printed circuit board.

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