BFC237666563

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Film Capacitors

The BFC237666563 contains a film capacitor, which is a capacitor that utilizes a thin film of material as one of its electrodes (typically polyester, polyethylene naphthalate (PEN), or polypropylene). It has extensive use within the electrical industry, and is available in both polar and non-polar versions. It is designed to provide low capacitance loss, low ESR and high dielectric absorption in the alternating current (AC) frequency range, making it suitable for use in high frequency applications.

Application Field

The BFC237666563 film capacitor is designed for both impedance matching and automatic alignment applications, such as RADAR systems, transmitters, receivers, transceivers, and applications requiring high frequency operation. It is also suitable for medical, telecommunications, and avionics systems, as well as in ultra-high definition television broadcasting.

Working Principle

The working principle of any film capacitor is based upon the capacitance principle, or the capacity for an electrical conductor to store electric charge. In the case of the BFC237666563, this property is produced by sandwiching two thin films of material between metal plates, which act as the two electrodes of a capacitor. The distance between the two electrodes is referred to as the dielectric separation and is determined by the material\'s ability to insulate the charge stored in the capacitor. The capacitance of a film capacitor is determined by the area of the electrode\'s surface and the dielectric separation.

In the case of the BFC237666563 film capacitor, the electrodes are composed of a thin film of PEN material, and the dielectric separation is determined by a layer of varnish or oxide coating. The capacitance of a PEN film capacitor increases as the dielectric separation decreases, making it suitable for high frequency applications as the capacitance is low and the ESR is also low. This increase in capacitance makes the BFC237666563 ideal for impedance matching, meaning that it has the capability to match the impedance between two conductors, which is critical for most RF and radio-frequency applications.

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