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Tantalum Capacitors

Tantalum capacitors are capacitors that use tantalum as one of the conductors. They are among the oldest types of capacitors, having been developed in 1914 by engineers at Bell Labs. Since then, they have become increasingly popular in many electronics applications, due to their small size, low self-inductance, low ESR, high capacitance and long life expectancy. Because of these advantages, tantalum capacitors have become an indispensable part of many electronic circuits.

173D474X0035UWE3 Application Field and Working Principle

The 173D474X0035UWE3 tantalum capacitor is typically used in circuits that require a moderate to high capacitance, but require a very low self-inductance. These capacitors are often used in analog signal conditioning, such as low-pass filters. The construction of this type of tantalum capacitor consists of a solid tantalum bead, typically surrounded by a dielectric material. This dielectric material is usually made of manganese dioxide. The manganese dioxide dielectric is usually sealed in either a hermetically sealed case, or is combined with an outer coating to form a hybrid type construction.

The working principle of the 173D474X0035UWE3 is the same as any other tantalum capacitor. When a voltage is applied across the two electrodes of the capacitor, an electric field is created within the dielectric material. This electric field attracts electrons from the positive electrode, to the negative electrode, resulting in an electrical current. As electrons flow from one electrode to the other, a compensating charge is created by a redistribution of charge within the dielectric material. This allows a static static electric charge to be stored between the two electrodes.

Due to the fact that the 173D474X0035UWE3 uses a manganese dioxide dielectric, it is able to offer high performance, in terms of low ESR and low self-inductance. The highly efficient construction results in a much longer life expectancy and reliable performance, despite being relatively small in size. This capacitor is also very cheap, and is widely available due to its popularity.

Conclusion

Tantalum capacitors have a long history, having been developed and used over a century ago. The 173D474X0035UWE3 tantalum capacitor is a high performance capacitor, which is typically used in low-pass filters. This capacitor uses manganese dioxide as its dielectric, resulting in a low ESR and low self-inductance. The highly efficient construction of this capacitor is able to provide reliable performance, despite its small size and relatively low cost.

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