BFC233868113

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Film Capacitors

Film capacitors, also known as polymer film capacitors, are capacitors that use polymer-based film as the main dielectric material. They are made using a film deposition process onto an alumina or glass-ceramic substrate. The film is usually the primary dielectric as well as serving as the electrode. Film capacitors are used in a variety of applications, from consumer electronics to industrial automation. In particular, they are commonly used in applications requiring a high degree of accuracy, reliability and durability.

BFC233868113 application field and working principle

BFC233868113 is a polymer film capacitor, suitable for general circuit applications where a low-equivalent serial inductance is important, such as in low-noise amplifier stages, and for noise inhibition in switching power supplies. It has high capacitance, low ESR (Equivalent Series Resistance), superior thermal stability and excellent performance at high frequencies. Its main application fields are the followings:

• Line-by-line adjustment of power factor and distortion in power electronics.
• Differentiation, integration and insulation in the digital circuit.
• High-frequency poles in communications.
• Performance improvement in film switch.

The BFC233868113 consists of two metal electrodes separated by a thin coating of polymer film, which acts as the dielectric. The polymer film provides an extremely low dielectric constant (k = 2.0) and can therefore support very high capacitance per unit of volume. The electrodes are separated by an air gap that is used to control the equivalent series resistance (ESR). The resulting ultra-low ESR makes it ideal for high-power applications.

The working principle of the BFC233868113 is similar to that of other polymer film capacitors. A film of polymer is applied to the electrodes and an electric potential is applied between them. This potential creates an electric field in the film which stores energy. When the potential is removed, the field collapses and the energy stored is released in the form of current. This current flows through the circuit and eventually dissipates in the form of heat.

The main advantage of the BFC233868113 is its low ESR, which enables it to significantly reduce power losses in high-power applications. Furthermore, its high capacitance makes it ideal for filtering and signal suppression applications.

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