B41827A7476M

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B41827A7476M Application Field and Working Principle

Aluminum electrolytic capacitors are capacitors that use an electrolyte - usually a gel or liquid chemical compound - as one of its plates. The other plate is usually a thin aluminum foil with a chemical coating that acts as a capacitor dielectric. Aluminum electrolytic capacitors are commonly used in many electronic items, such as radios, televisions, computers, electronic toys, audio amplifiers, and other consumer and industrial electronic devices.

Structure of Aluminum Electrolytic Capacitors

The main component of an aluminum electrolytic capacitor is a rolled up aluminum foil, which acts as the anode. This aluminum foil is covered with an oxide layer, which acts as the dielectric material. Over this, a cathode is usually a highly-porous paper saturated with electrolyte liquid. The metal leads are connected to the aluminum and paper layers. This structure is then placed in an air-tight casing that can be made of plastic or stainless steel.

Working Principle of Aluminum Electrolytic Capacitors

The working of an aluminum electrolytic capacitor is based on the principle of electrolysis. When an electric current is passed through the electrolyte, the positively charged ions (cations) move towards the negative electrode, i.e. the aluminum foil, while the negatively charged ions (anions) move towards the positive electrode, i.e. the highly porous paper. This creates a layer of cations on the aluminum foil and anions on the paper. This creates a strong electric field, which is what acts as a capacitor.

Applications of B41827A7476M Aluminum Electrolytic Capacitors

The B41827A7476M aluminum electrolytic capacitors are high-voltage capacitors that are commonly used in high-voltage applications in a range of applications such as telecommunications, automotive, home appliances, and industrial electronics.

Advantages of B41827A7476M Aluminum Electrolytic Capacitors

One of the major advantages of B41827A7476M aluminum electrolytic capacitors is their high capacitance values and low impedance, which makes them ideal for high-voltage, high-frequency applications. They are also low-cost, have high reliability, and offer a wide temperature range. Furthermore, they are typically smaller in size compared to other capacitors and have very low ESR (equivalent series resistance).

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