400TXW180AEFC18X40

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Aluminum electrolytic capacitors are a type of non-polarized electrolytic capacitor consisting of aluminum foil, with an oxide layer acting as a dielectric material used for a wide variety of electrical applications. As one of the most common capacitors used in modern electronics, they are widely used in the power supply circuits of computers and other electronic equipment, and are also used in audio and signal processing applications. The specific type of aluminum electrolytic capacitor used in this application is the 400TXW180AEFC18X40, a type of non-polarized, axial-lead, high-rated capacitor.

The overall structure of the capacitor consists of an aluminum can which encases the winding of two aluminum foils. Separating these two aluminum foils is a layer of oxide that acts as the dielectric material, also known as an electrolyte. The aluminum foil and electrolyte layers are anodized, making it a polarized capacitor, and the anode is the aluminum can itself.

In order to understand the working principle of an aluminum electrolytic capacitor, it is important to understand the three main aspects that make it function: leakage, capacitance, and dissipation factor. The capacitance of a capacitor is determined by the amount of charge it can store in a given voltage applied across its plates. Leakage current on the other hand occurs due to ion relaxation, which is the process by which the ions diffuse from one plate to the other. Lastly, the dissipation factor of a capacitor is an indication of the amount of energy lost within it as a result of dielectric absorption and losses from heating.

The 400TXW180AEFC18X40 aluminum electrolytic capacitor is designed with a low leakage current and high capacitance, suitable for applications that require low current conduction. It has a low dissipation factor, resulting in less energy lost during operation and a greater efficiency. This capacitor is ideal for use in power supply components, being designed to efficiently and reliably store energy and release it in short pulses when needed. Other applications the 400TXW180AEFC18X40 is suitable for include audio and signal processing.

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