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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are high-performance energy storage components. They are widely used in electronic products due to their unique advantages of large capacity, small size and light weight. In particular, 35MXG2700MEFC20X25 is one of the most popular and widely used aluminum electrolytic capacitors. This article will discuss the application field and working principle of 35MXG2700MEFC20X25.

Application Fields of 35MXG2700MEFC20X25

Aluminum electrolytic capacitors can be used in various application fields, and this kind of capacitor - 35MXG2700MEFC20X25 is mainly applicable to the high-voltage power system, especially the voltage grade of ±0.1%, 1% and 3%. It is suitable for large power filter, such as uninterruptible power supply, UPS, vehicle power system and electric heating equipment. It is also suitable for industries such as home appliances, computer audio and other digital products.

In addition, 35MXG2700MEFC20X25 can also be used for pull-up/down application in phase correction and pulse generator circuits. Furthermore, it can be used in LCD display systems, such as computers, specific medical instruments and electronic toys.

Working Principle of 35MXG2700MEFC20X25

The 35MXG2700MEFC20X25 aluminum electrolytic capacitor is a polarized capacitor composed of aluminum foil, oxide film and electrolytic paper. It has a small volume and high capacity. It includes two electrodes - a cathode and an anode. The electrodes contain aluminum foil, oxide film and electrolytic paper. First, the anode surface of the aluminum foil is coated with an insensitive film, and about 10% of the surface area is etched to form the etched surface. Then, the etched surface of the anode is soaked in the electrolyte and forms an insulating oxide film. The oxide film acts as a dielectric material and is coated with an electrolytic paper to provide cathode capacity.

When an external voltage is applied across the aluminum-faced capacitor, the capacitor will maintain a steady current which will flow through its oxide film. This is due to the capacitive resistance of the oxide film, which limits the rate of charge and discharge. The oxide film has a lower breakdown voltage than the dielectric material used in the traditional capacitor, so it can be used for high voltage applications. When the capacitor is charged for many years, the oxide film will be slowly replaced by another oxidation film, leading to the gradual reduction of the capacitance.

In conclusion, 35MXG2700MEFC20X25 is an important kind of aluminum electrolytic capacitor which is widely used due to its high performance, capacity and durability. It can be used in various applications, and its working principle is related to the capacitive resistance produced by its oxide film.

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