173D186X0050YE3

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Tantalum capacitors are a type of surface-mount capacitor that uses tantalum metal as the anode in a special electrolytic type of capacitor. Most of the time, tantalum capacitors are used in place of volumetric capacitors for a variety of reasons, including their low size, low leakage current, and higher capacitance-voltage rating. The specific tantalum capacitor model - 173D186X0050YE3 - is an example of these types of capacitors, and its application field and working principle will be discussed in the following sections.

Application Field

Tantalum capacitors, including the model 173D186X0050YE3, are primarily used in applications where a low number of components is required, such as in automotive electronics, portable electronics, etc. Their small size allows them to fit into cramped places that larger capacitors could not, and since they use a special type of electrolytic capacitor, they have a higher capacitance-voltage rating than other types of capacitors.

Tantalum capacitors are also used in applications where high working temperatures are involved, such as in RF components or any other area where there is a significant amount of heat. Since tantalum capacitors have a low leakage current, they are able to handle higher temperatures without any significant damage to the component.

Finally, golden tantalum capacitors, including the model 173D186X0050YE3, are also used in applications that require a high degree of accuracy in their capacitance values. Since these types of capacitors have a low tolerance rating, they are often used in precision circuits and other areas that require a high degree of accuracy.

Working Principles

The 173D186X0050YE3 is a type of surface-mount tantalum capacitor that uses tantalum metal as its anode. Tantalum capacitors are based on the same principles as regular electrolytic capacitors, which rely on oxide films on their electrodes. In the case of tantalum capacitors, a thin film of tantalum pentoxide (Ta2O5) is used as the dielectric material for the capacitor.

When the capacitor is in use, the Ta2O5 layer is held between two electrodes, one of which is the tantalum metal anode. When a voltage is applied to the capacitor, the negative charge of the anode attracts positive charge from the electrolyte solution, and electrons are transferred between the two electrodes. The capacitance of the capacitor is determined by the size of the electrodes, the number of electrons transferred, and the dielectric constant of the Ta2O5 layer.

Tantalum capacitors, including the 173D186X0050YE3, are also more stable than regular electrolytic capacitors because they have a lower leakage current. This means that the capacitor will not suffer from the same deterioration over time as other types of capacitors, and it will maintain its capacitance values over a longer period of time.

Conclusion

The 173D186X0050YE3 is an example of a surface-mount tantalum capacitor. These types of capacitors are used in applications that require a low number of components, high temperatures, and high accuracy in their capacitance values. Their working principle relies on the attraction of negative and positive charge between two electrodes, one of which is a tantalum metal anode, and their leakage current is low, making them more stable over time.

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