BFC238312114

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Film capacitors, also named plastic capacitors, are capacitors that are manufactured with a voltage-resistant plastic dielectric material which can have very low losses, in comparison to other dielectric materials such as ceramic and electrolytic. BFC238312114 is one kind of film capacitors.

Application Field

BFC238312114 film capacitors are used in a wide range of industrial, automotive and consumer applications, such as filtering,decoupling,timing, pulse, high-frequency, switching, linear, peak charge and energy storage.

It has become indispensable in digital applications such as computers, digital cameras, television, and mobile phones. This type of capacitor is used in high voltage AC applications or also DC applications. It also can be used in switch mode power supplies, bridge rectifier circuits and other applications like Harvesters.

Working Principle

Film capacitors are designed to store electric charge when a voltage is applied to the terminals. When a voltage is applied, the electrons of one plate will be attracted to the other plate and form an electrical field. This creates an electrical current that passes from one terminal to the other. The current is then stored in the capacitor as electric energy and capable to release energy when the voltage is removed from the terminals.

It is composed of two metal plates or electrodes that are separated by a layer of dielectric material. The polarity of the electric current is determined by the position of the electrodes. The dielectric material is usually an insulated non-metallic material such as mineral-oil, paper, plastic, or polyester.

The capacitance of the film capacitor is determined by the thickness of the dielectric material, the surface area of the electrodes, and the distance between them. Generally, the larger the area of the electrodes and the shorter the distance between them, the higher the capacitance of the film capacitor. Film capacitors are tested to ensure that the capacitance does not change over a range of temperature and frequency.

The BFC238312114 film capacitor is used in many applications due to its low ESR, low inductance, low leakage, stability, frequency response, low cost and small size. It has wide range of temperature and frequency characteristics, making it ideal for high voltage and high frequency circuitry. This type of capacitor is able to withstand extreme temperatures and will not easily break down due to the flexible insulated dielectric material.

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