MVY25VC221MH10TP

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, commonly referred to as electrolytic caps, are polarized capacitors in which the anode is made up of aluminum plates that is oxidized during the manufacturing process forming a dielectric that stores a charge. The cathode is usually made from high conductivity materials such as pure tin plated or silver plated copper. Electrolytic capacitors were designed to take advantage of the large surface area and high dielectric constant of aluminum. Aluminum electrolytic capacitors are widely used in electronics applications due to their relatively low cost and they are ideal for applications requiring high capacity and high ripple current.

MVY25VC221MH10TP application field and working principle

MVY25VC221MH10TP Aluminum Electrolytic Capacitors are one of the more common types of aluminum electrolytic capacitors. They use a non-solid wet electrolyte (e.g. "Aluminum-wrapped" type) as the dielectric and have a voltage rating of 25VDC. The tolerance rating is ±20%. The capacitors have a very low ESR and a high ripple current capacity, making them suitable for high frequency and linear motor applications.

The working principle is based on the principle of a field-effect capacitor, in which an electric field of opposite charges on the two plates creates an opposite electric force that exerts a thrust on the plates. This thrust compensates for the surface charges on the plates and allows them to store electric energy. The dielectric material between the plates prevents leakage of the charge, allowing the capacitor to store energy for a long period of time.

The MVY25VC221MH10TP capacitor is an ideal choice for various applications, such as in power supplies, switching converters, AC/DC inverters and other power-related applications. The capacitor is also suitable for noise filtering in audio equipment and other high-frequency circuits. The wide voltage range ensures high reliability and long life, making it suitable for applications in harsh environments.

The main advantages of aluminum electrolytic capacitors are their high capacitance, high ESR, low ESR leakage current, high temperature stability, low cost, and in some cases high temperature ratings. The main disadvantages are the size, limited voltage range, inherent leakage, and long mounting time required for effective installation. In addition, aluminum electrolytic capacitors require careful selection depending on the application and should not be used where they are subject to high vibration or strong humidity.

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