TH3B476K010E1800

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Tantalum Capacitors are a type of capacitor that uses tantalum for both the anode and cathode material and use electrolytic designs for construction. They offer high capacitance values in small packages and so are often used in applications where space is limited.

The TH3B476K010E1800 is a tantalum capacitor designed specifically to meet the demands of high power applications with low leakage current, low ESR and high AC ripple current ratings. It is also designed to provide high temperature stability and excellent reliability.

Application field

The TH3B476K010E1800 is well-suited for use in a variety of applications that require high temperature stability, such as power supplies, energy storage, motor control, lighting control, audio equipment and telecommunication systems. Its excellent reliability allows it to operate in harsh environments, making it suitable for automotive and industrial applications. Additionally, its low leakage current, low ESR and high AC ripple current ratings make it a good choice for decoupling and suppression of high frequency noise.

Working Principle

A tantalum capacitor consists of an anode and a cathode with an electrolyte between them. The anode is usually made of tightly pressed tantalum powder, while the cathode can be either a porous tantalum plate or a thin film. The electrolyte, typically an aqueous solution of potassium hydroxide, facilitates the movement of ions between the anode and cathode. When a voltage is applied across the terminals of a tantalum capacitor, the current causes the reaction of the anode with the electrolyte to form a dielectric oxide layer which stores the energy. This dielectric layer increases in capacitance over time and eventually reaches a stable value. The capacitor will continue to store energy as long as the conditions remain substantially constant.

Tantalum capacitors are an excellent choice for applications requiring high capacitance values in small packages, as well as for environments requiring high temperature stability and reliability. The TH3B476K010E1800, in particular, packs a great place to be in terms of performance in high power applications with low leakage current, low ESR, and high AC ripple current rating.

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