593D685X0016A2TE3

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Tantalum capacitors, largely distinct from other capacitors, are extremely commonly applied for high capacitance in a small space. The 593D685X0016A2TE3, a high quality component, is no exception. The available voltage rating of this component is 16 Volts and its capacitance is 680μF.

The working principle of this component can be explained by equivalent circuit models. Tantalum capacitors are polymer dielectric capacitors, which means the dielectric is polytetrafluoroethylene (PTFE) or polyether ether ketone (PEEK). The equivalent circuit model shows that the majority of the capacitance of the component can be attributed to a parallel combination of the dielectric capacitance and dielectric loss capacitance, which is equal to the series combination of a source resistance and the parallel combination of a stray capacitance and the series combination of an inductance and an ESR. These factors are described in further detail below.

Dielectric Capacitance: The dielectric capacitance is the main component of the total capacitance of the component and is created due to the mutual interaction between the two metal plates and the dielectric material in between. This interaction results in the dielectric capacitance which is determined by the specific dielectric constant of the dielectric material, the distance between the metal plates, and the plate area.

Dielectric Loss Capacitance: Some energy is generated due to the losses in the dielectric material and this loss is usually denoted as the dielectric loss capacitance. This capacitance is very small in comparison to the dielectric capacitance and generally has very little effect on the performance of the component.

Source Resistance: This is the equivalent resistance of the source, or the equivalent resistance of the leads that are connected to the component. This resistance is generally very low (depending upon the quality of the lead) but is still an important factor as it reduces the total capacitance of the component.

Stray Capacitance: This is a capacitance that is created due to the presence of other components and the surrounding environment. This capacitance is usually very small (roughly 5%) and, as such, it has only a minimal effect on the total capacitance of the component.

Inductance & ESR: The inductance and equivalent series resistance are generally related to the material properties of the component and the leads attached to it. The inductance of tantalum capacitors is usually very small and it is generally insignificant when compared to the other components of the equivalent circuit. The equivalent series resistance, on the other hand, is a significant factor as it affects the reactance, or impedance, of the component. The ESR of tantalum capacitors is usually 0.4-4 ohms.

Apart from the working principle, the 593D685X0016A2TE3 also has a lot of evident applications. This component is usually used in filters, voltage converters, and regulators. It is also highly compatible with both high frequency and high current switching applications due to its excellent ripple current capability. The 593D685X0016A2TE3 is also well suited to be used in power supplies as its large capacitance and high voltage rating make it ideal for this application. Furthermore, this component usually has long service life and is extremely stable even when subjected to extreme temperatures and vibrations.

In conclusion, the 593D685X0016A2TE3 is an excellent example of a high quality tantalum capacitor. It has a large capacitance, a high voltage rating, and a very low ESR, which makes it an ideal component for a variety of applications including filters, voltage converters, power supplies and regulators. Furthermore, the working principle of this component can also be explained using an equivalent circuit model which includes components such as the dielectric capacitance, dielectric loss capacitance, source resistance, stray capacitance, inductance and ESR.

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