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Tantalum - Polymer Capacitors

T528I107M003ATE200 is a type of Tantalum - Polymer Capacitors (TPC). The caps are made up of layers of tantalum powder, which are covered by a manganese dioxide coating and then a polymer layer. The polymer layer prevents the oxidation of the manganese dioxide, resulting in better conductance and longer life.

Application Field

T528I107M003ATE200 capacitors are used in various types of electronic devices, such as PCs, mobiles, digital cameras, video games, amplifiers, and much more. Most commonly, they are used in switch mode power supplies (SMPS) in order to provide better efficiency and reduce the power loss. They are also used in low-voltage power circuits, such as in battery-operated devices, as they can do so with low voltage.

Working Principle

When an electric current is applied to the capacitor, the material’s electrical field generates a potential difference between the two electrodes. As electrons travel from the cathode to the anode, they form an electric charge. This electric charge builds up as an electric dipole and creates an electromagnetic field. The inductance of the capacitor is also affected by this charge, resulting in a voltage drop.

The capacitance of T528I107M003ATE200 devices varies according to the frequency of the applied current. These capacitors can handle frequencies up to several hundred kilohertz. The current capacity of the device is also very high for its size. They possess a very high energy-to-volume ratio and are appropriate for use in medium impedances.

Self Healing Nature

An interesting quality of this type of capacitor is its “self-heal” nature. If a dielectric breakdown occurs, then the polymer layer has the capability to repair itself and restore the electrical properties of the capacitor. This feature is great for applications that need to endure tight tolerances and should be considered when selecting this type of component.

Conclusion

T528I107M003ATE200 capacitors have a wide range of applications in the electronics industry. They have a very high energy-to-volume ratio and a self-heal nature, making them ideal for tight tolerance applications. They are often used in switch mode power supplies, as well as other low-voltage power circuits, providing better efficiency and longer life.

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