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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor is an electrical component that generates static electricity when needed. This static electricity is stored in an aluminum foil that is held between two conductive plates, the anode and the cathode. Depending on the application, the anode is usually an aluminum foil that is dipped into an electrolyte solution, while the cathode is usually an aluminum foil infused with a non-conductive material that helps to reduce electric leakage. The non-conductive material can also be a special dielectric coating material.

One of the most widely used aluminum electrolytic capacitor is the 400BXW82MEFR12.5X40. This capacitor is a non-polarised device, which means that it can work with either positive or negative voltages. Its maximum allowable voltage is 400V, and its working temperature range is between -55°C and +125°C.

The 400BXW82MEFR12.5X40 is mainly used for filtering and is suitable for applications such as power supplies, motor drives, audio equipment, and automotive electronics. This type of capacitor works by passing direct current (DC) through the capacitor, which stores energy through the process of electrostatic induction. This process effectively stores electric energy as static electricity. When the electric current is passing through the capacitor, the electric field induces a charge on the metal foils, and when the current stops, the stored electric energy is released.

When choosing an aluminum electrolytic capacitor, it’s important to consider the application and the ambient temperature range. Other essential factors to consider include the size and capacity of the capacitor, as well as the maximum allowable voltage and frequency.

In summary, the 400BXW82MEFR12.5X40 is an aluminum electrolytic capacitor designed to store static electricity when needed. It can be used in a variety of applications, from power supplies to motor drives, and it is important to ensure that the capacitor is suitable for the application, taking into account its size, capacity, maximum allowable voltage, and ambient temperature range.

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