Views: 6 Author: Site Editor Publish Time: 2018-03-02 Origin: Site
Classification and function of capacitors
Electric capacitors are composed of two metal poles with insulating materials (dielectric) in the middle. Because of the different insulation materials, the types of capacitors are also different.
According to the structure can be divided into: fixed capacitance, variable capacitance, fine-tuned capacitance.
According to the dielectric materials can be divided into: gas dielectric capacitance, liquid dielectric capacitance, inorganic solid dielectric capacitance, organic solid dielectric capacitance electrolytic capacitance
According to polarity, there are polar capacitors and non-polar capacitors. The most common one we can see is electrolytic capacitors.
Capacitors are used in circuits to separate direct current and let alternating current pass, so they are often used in interstage coupling, filtering, decoupling, bypass and signal tuning.
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