B32021A3682K000

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Film capacitors, also known as plastic capacitors, are a kind of electronic components, which can be subdivided into ceramic capacitors, mica capacitors and paper capacitors based on their materials. As one of the film capacitors, the B32021A3682K000 capacitor is a kind of capacitor made of PP film, whose dielectric is metallized PEN film and is encapsulated inside a flame-retardant plastic casing.

The application field of the B32021A3682K000 capacitors is mainly in the high-frequency components, like in high-frequency switching power supply, high-frequency circuit of computer television and other electric equipment, etc. It is also suitable for energy-saving lamps, electric ballasts and lighting device. In addition to the above applications, it can also be used in the condition of over-voltage, with high No-load loss and small temperature rise.

As to its working principle, the B32021A3682K000 capacitor mainly adopts the dielectric medium as the dielectric material between the two electrodes to realize energy storage. In the electric circuit, the two electrodes are connected to the two terminals of the power supply, which can realize the energy storage of the capacitor during the work. When the current charges the capacitor, the capacitor will absorb the charge due to the large dielectric constant of the dielectric medium, resulting in an increase in the voltage across the terminals. When the current flows out the capacitor, the charge will be released due to the small dielectric constant, resulting in a decrease in the voltage across the terminals.

In addition, compared to other capacitors, this type of capacitor has the advantages of high temperature resistance, low dissipation factor, high insulation resistance and considerable reliability. Besides, due to its special double layer structure, it has excellent self-healing characteristic, that is, when it encounters a certain instantaneous over-current, the local area are destroyed, thus the current is spread, and the capacitor can still work properly when the instantaneous over-current disappears.

In brief, the B32021A3682K000 capacitor belongs to film capacitor, which can be widely used in high-frequency components, such as computer televisions, energy-saving lamps and electric ballasts. Its working principle is mainly realized by the dielectric medium between the two electrodes. This type of capacitor has the advantages of high temperature resistance, low dissipation factor, high insulation resistance and excellent self-healing characteristic.

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