861101484010

Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor marked with an 861101484010 that consists of two aluminum foils separated by a paper spacer impregnated with electrolyte. When voltage is applied, an electric double layer forms in the electrolyte, and charges the assigned to the anode of the capacitor. This increases the capacitance of the device and charges can be stored in it.

The most common application field of these capacitors is as energy storage component in power supplies. In most power supply designs, the dielectric material is constantly discharged and has to be recharged on a regular basis. This ensures stability of the voltage and current in the power supply. These capacitors are also used for filtering of noise signals in power supplies.

In addition to power supplies, aluminum electrolytic capacitors are also used in other electronic devices such as radios, computers, mobile phones, and other portable electronic gadgets. They are often used in high frequency amplifiers due to their high capacitance which can absorb most of the noise signals. They are also used in some digital circuits for memory retention and frequency stabilisation.

The working principle of this capacitor is fairly simple. When an AC signal is applied across the terminals of the capacitor, the capacitance increases due to the electric double layer that is generated in the electrolyte medium. This causes the resistance between the plates to be lowered, allowing more current to pass through the capacitor.

The amount of current that is allowed to pass through can be controlled by adjusting the size of the electric double layer, or by changing the concentration of the electrolyte. This allows the device to be more accurately controlled and can even be tuned to specific frequencies. This ability is what makes it ideal for noise filtering applications.

Due to the wide application field and many advantages of using aluminum electrolytic capacitors, they are widely used in a range of industries and applications. From consumer electronics to industrial power supplies, these capacitors are an essential component in keeping products running smoothly.