EEU-FR1J391B

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Aluminum electrolytic capacitors are components widely used in modern electronic products. They are commonly applied in power supply circuits, pulse circuits, signal processing circuits, frequency conversion circuits, and switching circuits. The EEU-FR1J391B is a typical example of an aluminum electrolytic capacitor, which is characterized by its high performance. In this article, we will discuss the application field of EEU-FR1J391B and its working principle.

The application of EEU-FR1J391B ranges from common applications to more demanding industrial products such as automotive, HVAC and industrial equipment. In telecommunication and electricity networks, it is used for the low-frequency to high-frequency noise filtration of switch-mode power supply and respectively, it is used for the power frequency noise filtration of large power supply. Additionally, they are suitable for the frequency range up to 200 silicon controlled rectifier (SCR) compensation and DC amplifier feedback. Finally, also in AC-output switching circuits and pulse circuits, they are employed as filtering components.

The working principle of the EEU-FR1J391B can be divided into three steps. First, the voltage applied between the capacitor’s terminals causes the oxide layer that coats the electrode particles to decompose. This oxide layer acts as an insulator and thus, limits the flow of current. When the voltage is applied, the oxide layer is broken down and an electric current flows freely within the capacitor.

Second, the current flowing through the anode and cathode produces an electrical field in the electrolyte solution that contains the particles of the electrodes. This field causes the ions in the electrolyte to move towards each other. As the ions move closer together, they gradually form a metallic film which bridges the anode and cathode, acting as a capacitor.

Finally, as the electric field is applied, an electrostatic charge builds up on the particles in the electrolyte solution. The charge accumulates in the capacitor and creates an electrostatic field which can store energy. By altering the voltage between the anode and cathode, the amount of charge stored in the EEU-FR1J391B can be changed, and therefore, its capacity is changed.

In conclusion, the EEU-FR1J391B aluminum electrolytic capacitor is a high performance component and has a wide application field. Its working principle can be divided into three steps, which involve the decomposition of the oxide layer at the electrodes, the formation of an electric field in the electrolyte solution, and the buildup of an electrostatic charge. This capacitor can be used in many common electronic applications and in more demanding industrial products such as automotive, HVAC and industrial equipment.

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