860080275018

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Aluminum electrolytic capacitors are common in many electronic devices, and their application can be divided into two fields. First, they are used as power supply filtering capacitors in many power supply circuits; Second, they are used especially as smoothing capacitor in SMPS circuits (switched mode power supplies) due to their high capacitance and high voltage ratings.

Aluminum electrolytic capacitors have a wide range of uses in the consumer electronics industry. Their high capacitance and long life make them ideal for applications that require stable and reliable power to support the application. For example, they are used in battery protection circuits, in mobile and laptop power supplies, and in power supply filters.

As the name implies, aluminum electrolytic capacitors consist of two or more aluminum foil electrodes separated by an electrolyte. The electrodes are either wound in a cylindrical shape or stacked in several layers. They are mainly polarized capacitors, that is, one electrode is connected to the cathode of the device and one to the anode. The electrolyte provides the electrical connection between the two aluminum foil electrodes.

The working principle of aluminum electrolytic capacitors is based on the behavior of ions in an electric field. When a voltage is applied to the two electrodes, positive and negative ions move towards the respective electrodes and are adsorbed into their porous surface. This creates a charge separation between the two electrodes, thus forming a capacitor with a certain capacitance. The larger the surface area of the electrodes, the higher the capacitance of the aluminum electrolytic capacitor.

As aluminum electrolytic capacitors require precision manufacturing processes and are subject to many external influences, they have a limited lifetime. Generally, they last for a maximum of 10,000 hours at low temperatures and 5,000 hours at medium and high temperatures before their performance deteriorates.

In conclusion, aluminum electrolytic capacitors are versatile and useful components that are widely used in many electronic devices. They have a high capacitance and long life, making them ideal for applications such as power supply filtering and smoothing capacitors in power supplies. Furthermore, due to their increased cost and limited lifetime, they should be used carefully and in applications that require their specialized characteristics.

The specific data is subject to PDF, and the above content is for reference