200VXH470MEFCSN25X25

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors refer to capacitors that use aluminum oxide as a dielectric medium and aluminum as an electrode material, and use electrolytes as a conductive medium. Aluminum electrolytic capacitors are named after their own structure and working principle, so they are also called electrolytic capacitors. Due to the high level of energy storage, aluminum electrolytic capacitors are widely used in various electronic products, providing efficient and reliable energy storage under various forms of load current. The capacitance of aluminum electrolytic capacitors is much larger than that of other capacitors, and its temperature characteristics, voltage characteristics and life characteristics are greatly improved. The following introduces 200VXH470MEFCSN25x25 aluminum electrolytic capacitors.

Application Field of 200VXH470MEFCSN25x25 Aluminum Electrolytic Capacitors

200VXH470MEFCSN25x25 aluminum electrolytic capacitors are mainly used for the smoothing of power supply in a switching power supply circuit. It has huge capacitance and high temperature range, and its capacitance value can be adjusted by external terminals. This capacitor also has good heat resistance and low ESR, which can effectively resist the influence of interference factors such as vibration and shock. The design of the 200VXH470MEFCSN25x25 aluminum electrolytic capacitor also takes into account the convenience of application. It has an SMD package, which can easily integrate 200VXH470MEFCSN25x25 aluminum electrolytic capacitors into the overall structure. The 200VXH470MEFCSN25x25 aluminum electrolytic capacitors are also energy-saving and compatible with various power circuit designs. Therefore, they are widely used in various power circuits.

Working Principle of 200VXH470MEFCSN25x25 Aluminum Electrolytic Capacitors

The 200VXH470MEFCSN25x25 aluminum electrolytic capacitor works on the principle of electrolysis. Aluminum leakage electrolytic capacitors use electrolyte solution or single-liquid electrolyte solid capacitor as the capacitor core solution. Aluminum foil is used as the positive and negative electrodes. An oxidized alumina film is formed on the surface of the positive electrode by the electrolyte solution, which acts as an insulating medium. The anode electromotive force of the electrolyte solution causes a layer of electrolyte solution to penetrate into the aluminum foil and form a small porous structure. If a direct current is applied during the formation of this porous structure, the aluminum foil will produce an electrochemical reaction to form a strong oxide film layer on the aluminum foil surface and cause the electric field to be concentrated. At this time, the maximum capacitance will be obtained. Once the voltages on both ends of the capacitor are balanced and no current passes, the oxide film is stable and will not weaken or change even if the temperature changes. This is why aluminum electrolytic capacitors have longer service life.

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