ALS70A334MF025

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Aluminium Electrolytic Capacitors — ALS70A334MF025 Application Field and Working Principle

Aluminium electrolytic capacitors are widely used in the electronic industry due to their high capacitance and good reliability. The ALS70A334MF025 is a representative of this kind of capacitors with its special characteristics. This paper will first clarify the application field of this capacitor and then knowledgeable explain its working principle to those who are interested in this kind of field.

Application Field of ALS70A334MF025

The ALS70A334MF025 belongs to the class of radial aluminum electrolytic capacitors. It can be further classified as low impedance (LS) series. This type of capacitor is most suitable for multiple output rectifier circuits and filter circuits, and their use extends to other fields as well.

The ALS70A334MF025 has a voltage rating of 16~50V, a capacity rating of between 47uF and 220uF for its capacity range. This type of capacitor offers excellent performance at lower temperatures. It is designed for smooth operation power supply, and its main features are high reliability and a long life span. It is mainly used in computer motherboards, communication circuits, digital control circuits and so on.

Working Principle of ALS70A334MF025

The ALS70A334MF025 is an aluminum electrolytic capacitor. It is made up of an oxide thin film as dielectric material, an aluminum foil as plate, and electrolyte as external conductor. The oxide thin film is absorbs most of the electricity and its thickness is inversely proportional to the capacitance value of the ALS70A34MF025. The aluminum foil and electrolyte form the two electrodes of the capacitor.

When electricity is supplied to the capacitor, electrons from the negative terminal would pass through the electrolyte and the oxide thin film to the aluminum plate. The oxide thin film absorbs the electrons and builds up electric charges. This causes the voltage across the two electrodes to increase and the ALS70A334MF025 acts like a capacitor. When the opposite voltage is applied to the capacitor, the built up electric charges would leave the capacitor, and ALS70A334MF025 would stop acting like a capacitor.

Conclusion

Aluminum electrolytic capacitors are widely used in electronics and the ALS70A334MF025 are used in many electronic components in daily life. Its application field mainly lies in multiple output rectifier circuits and filter circuits, and it also extends to other applications. Also, the working principle of ALS70A334MF025 is easy to understand – electrons flow from the negative terminal to the aluminum plates, and the oxide thin film would build up electric charges and voltage, making it acts like a capacitor.

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