BFC236962123

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Film capacitors, also called plastic film capacitors, consist of a roll of plastic film as the dielectric, which is usually polypropylene (PP), polyester (PET) or polycarbonate (PEN). The electrodes are usually made of copper foil or silver-plated aluminum foil. It is a relatively advanced capacitor structure and has the advantages of small size, low equivalent series resistance (ESR), wide working temperature, high heat resistance, high reliability, good surge current resistance, and no aging.

BFC236962123 is a type of Film capacitor that takes into account these advantages as well as some special features. It is a kind of large capacity, high-precision, high-temperature (105 degrees Celsius) and high-voltage capacitor that can be used at the output of an AC-DC power supply. It can also be used as an input filter in a switching power supply, an EMI filter, an anti-parallel snubber, etc.

In terms of the structure of the BFC236962123, it has a square aluminum shell, a plastic cover, and a printed circuit board. The inner capacitor film is wound into a square shape and filled with a high-efficiency silicone water-resistance gel. The plastic part covers the silicone gel to ensure its waterproofness and prevent it from degrading in the external environment under mechanical or electrical stresses.

The working principle of the BFC236962123 is straightforward. Like all other film capacitors, when AC passes through its film dielectric, a capacitive current is produced, thus allowing the capacitor to store energy. Since the electrical parameters of the film dielectric, such as dielectric constant and dielectric loss, are constant, the output capacitance and working voltage of the BFC236962123 remain constant throughout its usage, resulting in better reliability and stability.

In addition, the combination of the plastic cover and silicone gel provides excellent insulation and anti-humidity, making the BFC236962123 suitable for use in applications that require a high level of protection under severe environmental conditions. It is mainly used in the fields of electronics, power electronics, automotive electronics, communications, and more. For instance, it is used as an input filter to reduce ripple in AC-DC power supplies, as an output filter/CEMI filter to reduce electromagnetic radiation, and as an anti-parallel snubber in high frequency power circuit.

In conclusion, the BFC236962123 is a type of film capacitor that provides many benefits, such as small size, high temperature and voltage capability, and excellent insulation. It is widely used in power electronics and automotive electronics, especially in the input and output of AC-DC power supplies, as an EMI filter, or as an anti-parallel snubber.

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