TPSV108K004R0025

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Tantalum Capacitors

Tantalum capacitors are high-performance, polarized capacitors frequently used in modern electronics due to their small size, high capacitance per volume, low ESR, and high stability. The design of these capacitors means they produce an electrochemical reaction between a solid tantalum cathode and an electrolytic solution containing a mixture of metals. The smallest electrolytic capacitors are Surface Mount Technology (SMT) types, which are perfect for use in space-restricted environments (such as within the confines of desktop computers).

The TPSV108K004R0025 tantalum capacitor is a surface-mount type with a capacitance of 4.7 μF, a voltage rating of 105 °C, and a maximum sustained ESR of 25 ohms. This type of capacitor is suitable for use in voltage regulation applications in Power DC-DC converters, as well as in motor control circuits and Digital Signal Processing (DSP) applications.

Working Principle of the TPSV108K004R0025 Tantalum Capacitor

The TPSV108K004R0025 tantalum capacitor is made of a tantalum anode and a solid carbon cathode inside an electrolytic solution. When subject to electrical stimulation, an electrochemical reaction occurs between the anode and electrolyte solution, causing electrons to cross the surface of the cathode, creating a dielectric barrier. This in turn causes a static electrical charge to form between the anode and the solution, generating a capacitance that is proportional to the area of the anode and the electrolyte solution.

The TPSV108K004R0025 utilizes a dielectric material that provides superior performance when compared to other types of capacitors like glass or mica. This means the TPSV108K004R0025 can withstand higher temperatures and offers better performance at higher capacitances. The dielectric used in the TPSV108K004R0025 has a high breakdown voltage rating, making it suitable for use with higher input voltages and higher current applications.

The TPSV108K004R0025 also uses a solid cathode, as opposed to an electrolytic one. This construction ensures that electrons do not leak out, resulting in a lower ESR. This makes the TPSV108K004R0025 ideal for use in high-frequency applications, such as those found in DC-DC converters, motor control circuits, and DSP applications, as the capacitor can respond quickly and accurately to changes in voltage.

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