B32641B6393J

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Film capacitors, commonly known as film dielectrics, are capacitors whose capacity is generated and stored with the presence of thin metal or plastic films. Generally, this type of capacitor is formed in layering these films in round, rectangular, cylindrical or prism shapes and using a metal polarization mechanism. In insulation engineering, film capacitors are used to absorb the energy of high-voltage, short-circuit currents.

The B32641B6393J is one of the most common film capacitors. This capacitor is made of polypropylene film and is filled with metallized aluminum electrodes and sealed with epoxy resin. It has a capacitance tolerance of ±5%, a working voltage of 630V, and good self-healing. In addition, it is air-proof, flame-retardant and moisture-resistant.

Due to the advantages of B32641B6393J film capacitors, they are widely used in computers, industrial equipment, medical equipment, home appliances and more. It is especially suitable for space-saving or high-potential application due to its small size and high capacity, as compared with the standard disk capacitors. Furthermore, it has a low loss, high thermal stability, and has noise reduction effects as it is able to block Electromagnetic Interference (EMI) in suppressed circuits.

The capacitance of a film capacitor is determined by its physical structure. This consists of two metal electrodes, which are separated by a thin insulating film. The strength of the electric field between the two electrodes creates a dielectric constant that is held within the film. The thinner this film is, the closer the two electrodes can be and the stronger the dielectric can be. As a result, the higher the capacity is.

In addition, the working principle of film capacitors relies on the same electric properties that all capacitors have. When a voltage is applied to a capacitor, the electric field is initiated between the two electrodes and it causes an oscillatory movement of electric charge and energy between them. Then, the charge across the plates accumulates and the energy is held in the dielectric between the plates. 

To sum up, B32641B6393J film capacitors are widely used in many applications due to its advantages. Its working principle is the same as that of other capacitors, with its capacitance being determined by the structure of the film. As such, film capacitors are essential components in providing efficient electrical systems.

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