SLP472M063C9P3

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Aluminum electrolytic capacitors are widely used in various electronic circuits, such as providing filtering and smoothing supplies with capacitance, energy storage, frequency compensation, and dynamic coupling, which can also effectively reduce noise and transient interference. SLP472M063C9P3 is a kind of aluminum electrolytic capacitors. This article will introduce its application fields and working principles.

SLP472M063C9P3 is a low-impedance, long-life, high-reliability aluminum electrolytic capacitor with an extended temperature range of -20℃～105℃. It has a rated voltage of 6.3V, a capacitance of 47uF, and a ripple current of 450mA.SLP472M063C9P3 is mainly used in the fields of automotive electronics, power electronics, and industrial motor applications.

The general structure of aluminum electrolytic capacitor consists of a three-layer winding structure composed of two metal foils and an absorbent paper layer between the foils. The positive pole layer is an oxide film formed on the surface of aluminum foil by anodic oxidation, which is regarded as the most important part of aluminum electrolytic capacitor and plays a role of dielectric. The negative pole is an aluminum foil. The outermost layer of the region consists of insulating paper. Maintenance and cleaning must be done before using the aluminum electrolytic capacitor.

The principle of its working is based on electrochemical double layer capacitance, which is one of the important components of aluminum electrolytic capacitor. When an electric field is applied across the positive electrode of aluminum foil and negative electrode of electrolyte, the positive electrode charges negatively and electrolyte charges positively, thus forming an electric double layer. This electric double layer can maintain energy and store electric energy, forming capacitance. When the current flows, it is adsorbed to the positive electrode and the polarized membrane rises, and then to the negative electrode, and then passes through the electric double layer and the electrolyte to the positive electrode. At this time, the phenomenon of electric double layer being adsorbed and released forms a charging and discharging process.

In addition, the capacitance value of aluminum electrolytic capacitor is also related to the internal capacitance gap, the dielectric and the electrolyte. Generally, the larger the capacitance gap, the higher the capacitance value, and the smaller the loss. In addition, the dielectric also needs to have good stability and low leakage. The electrolyte also affects the size of capacitance. Compared with wet electrolytic capacitors, aluminum electrolytic capacitors based on dry electrolytes are characterized by small leakage current, high service life and wide temperature range.

In a word, since SLP472M063C9P3 is a kind of aluminum electrolytic capacitor, its application fields and working principles are as mentioned above. Through this article, we can better understand it.

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