EEA-GA1H3R3B

Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, also known as aluminum electrolytic capacitors, are a type of electrochemical capacitor with a very high capacitance (up to millions of microfarads). They are mainly composed of an anode electrolytic paper, a cathode aluminum foil, an insulating diaphragm and two leads for electrical connection. They are stable, long-life components that are widely used in electric and electronic equipment.

EEA-GA1H3R3B Application Field and Working Principle

EEA-GA1H3R3B aluminum electrolytic capacitor is a type of non-solid aluminum electrolytic capacitor with a screw type terminal. It is mainly used in power electronic equipment, such as power conversion and control, DC-DC converter, audio-frequency amplifier and other relevant electronic fields. Its features are as follows:

• Rated voltage range: 2 - 400V
• Rated capacitance range: 0.1 - 10000μF
• Environmental temperature range: -40°C to +105°C

The working principle of aluminum electrolytic capacitors is based on a simple physical and electrochemical principle. A thin insulating membrane is placed between the two electrodes and soaked in an electrolyte. During the charging process, the electric migration on the relatively stationary particles (electrons) carries out the migration from the electrolyte to the electrode film and induces the deposition of ions in the electrolyte and the formation of a cathode film with a certain resistance value.

The electrochemical nature of the aluminum electrolytic capacitor can cause polarity reversal, ie, reversed dc voltages can lead to damage to the device. Generally speaking, the capacitance value shows a certain tendency to decrease with increasing temperature when the temperature is too high. Therefore, when designing circuits, it must be taken into consideration that the higher the ambient temperature, the larger the derating factor needs to be taken into account.

Conclusion

In conclusion, EEA-GA1H3R3B aluminum electrolytic capacitors are a reliable component and are widely used in power electronic equipment, such as power conversion and control, DC-DC converter, audio-frequency amplifier and other relevant electronic fields. Taking into account the characteristics of its working principle, it should be noted that when designing circuits, the higher the ambient temperature, the greater the derating factor.