Aluminum Electrolytic Capacitor in Different Industrial Applications

Page 1

Understanding the Applications of Aluminum Electrolytic Capacitor in Different Industrial Applications A capacitor that precisely uses an electrolyte for the purpose of achieving a larger capacitance than other types of capacitor is known as electrolytic capacitor. It is important to understand that an electrolyte is a liquid or gel, which contains a high concentration of ions. All of electrolytic capacitors are polarized almost. It means that the voltage on the positive terminal must always be greater than the voltage on the negative terminal. It is important to understand that some of main benefits of large capacitance in electrolytic capacitors come with different drawbacks as well. Large leakage current and value tolerance are some of the main defects of electrolytic capacitors. In addition to this, they are also known for equivalent series resistance and a limited lifetime. There are basically two types of electrolytic capacitor, which are wet-electrolyte and solid polymer. It is important to understand that they can be made of aluminium or tantalum. A special subtype of electrolytic known as super capacitors also called double layer electrolytic capacitors that have capacitance of hundreds and thousands of farads can be used based on the applications. It is important to understand that this article will be purely based on aluminum electrolytic capacitors, which have typical capacitance in between 1ÂľF to 47mF. In addition to this, their operating voltage is up to a few hundred volts DC.

Some of the main applications of electrolytic capacitors in different industrial applications are briefly discussed in this post. Applications of electrolytic capacitors

There are many applications that do not need tight tolerances and AC polarization but need very large capacitance values. These electrolytic capacitors, purchased from reliable electrolytic capacitor wholesale suppliers, are commonly used as filtering devices in different power supplies for the purpose of reducing the voltage ripple. They are often the critical component limiting the usable life of the power supply when used in switching power supplies. So, electronic capacitors are commonly used in these applications. It is important to understand the electrolytic capacitors may also be used in input and output smoothing as a low pass filter if the signal is a DC signal with a weak AC component.


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.