MKP385410085JII2B0

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MKP385410085JII2B0 application field and working principle

Film capacitors, also called plastic film capacitors or polymer film capacitors, consist of an insulating plastic film (typically polyester, polypropylene, and polycarbonate) with overlapping metal electrodes on both sides. The thin plastic film allows for small size capacitors with low dielectric loss and tremendous stability over time and temperature. In addition, they provide stable frequency characteristics.

MKP385410085JII2B0 is a type of film capacitor, usually applied in many electronic equipment and field, such as radios, amplifiers, TVs, AC-DC counterbalance systems, and audio frequency divider networks. It also can be used in strobe system power supply and high frequency circuits. Moreover, it can be applied in ripple current filter, signal compensation, anti-interference, computer monitoring equipment.

The working principle of the MKP385410085JII2B0 film capacitors is mainly based on the ability of the thin film between two electrodes to store an electrical charge. The ability can be determined by the resistivity and dielectric constant of the film. The higher resistivity of the film, the more efficient the unit will be in storing electrical charge and the greater the insulation resistance it will have. This allows the film capacitor to provide an almost linear frequency characteristic curve, making it ideal for modulating AC signals.

The working principle of the film capacitors also relies on the triboelectric effect. This is the transfer of an electrical charge between two surfaces due to contact with a third material or surface, such as a finger or a mechanical contact. The triboelectric effect is the basis of all electric fields that exist in electricity and electronics. The electric field that is created between the two surfaces of the film is known as the electric dipole force. This electric dipole force is what produces the electrical charge in the film, which is stored in the form of static electricity.

In addition, the electric dipole force of a film capacitor also depends on the dielectric constant of the film. The higher the dielectric constant, the larger the electric dipole force and the higher the capacitance value. This allows larger capacitors to be built with the same amount of film.

The MKP385410085JII2B0 film capacitors are ideal for many applications due to their low cost, low profile, and high efficiency. Their excellent electrical characteristics also make them suitable for use in many commercial electronics projects, such as filtering, signal conditioning, and audio frequency processing. They are often chosen over other types of capacitors because of their low price and low profile.

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