35ZLH220MEFCT78X11.5 Capacitors

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35ZLH220MEFCT78X11.5 application field and working principle

Aluminum electrolytic capacitors (also known as Al electrolytic capacitor) refers to a type of capacitor which uses an etched aluminum foil as the anode of the capacitor, and a special electrolyte (organic solvent, water, acid, etc.) as the medium which carries ions. Electrolytic capacitors are often divided into two types according to the nature of the medium that makes up the dielectric: non-solid and solid types. The former are divided into alkaline paper capacitor and aluminum electrolytic capacitor; the latter are divided into tantalum electrolytic capacitors and niobium electrolytic capacitors.

Application field of 35ZLH220MEFCT78X11.5

35ZLH220MEFCT78X11.5 aluminum electrolytic capacitor is a high-stability aluminum electrolytic capacitor. It can be widely used for communication and computer motherboards, drive circuits, power supplies, etc., and is also suitable for the aviation electronic industry complex environment. In addition, 35ZLH220MEFCT78X11.5 aluminum electrolytic capacitor has excellent high frequency characteristics and low impedance, which can effectively reduce the influence of noise on the system.

Working principle of 35ZLH220MEFCT78X11.5

The working principle of 35ZLH220MEFCT78X11.5 aluminum electrolytic capacitor is mainly based on the electric double layer effect: when the working voltage is applied, the electric double layer is formed between the negative plate (aluminum foil) and the positive plate (oxide film). The negative plate (aluminum foil) inside the capacitor is etched to increase the effective surface area, increase the amount of charge storage, stable capacitance value and improve the long-term capacitance retention rate of the capacitor.

With the increase of the temperature, the processing of oxide film can cause local decomposition of capacitor electrolyte and catalytic action of aluminum. The conductive path of the electric field formed between the positive and negative electrodes remains unchanged. The capacitance of the aluminum electrolytic capacitor is affected by the electrolyte solvent, which also causes the capacitance to degrade over time. Therefore, the durability of the aluminum electrolytic capacitor is the most important indicator and requirement in the application. Of course, with the development of technology, the durability of aluminum electrolytic capacitors has also been greatly improved.

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