BFC238361243

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Introduction

BFC238361243 is the reference for Film Capacitor, known also as polypropylene (PP) or polyester film capacitor. This type of capacitor is a compression-wound structure with a component body composed of two sections, the primary section on the outer layer, and a dielectric element wrapped around it. Connections between terminals are achieved by means of a sliding contact.

Application field

Film capacitors are generally used for frequencies from few hertz to low Megahertz range. Thanks to its superior dielectric strength and greater temperature stability, film capacitors are excellent choices for various applications in the audio and radio frequency (RF) transmission, such as power supplies, digital circuits, filters, radio receivers, TVs, HiFi and car audio systems. Moreover, they are also ideal for lamp ballast and other safety-critical circuits, thanks to their high dielectric strength and low dissipation factor.

Film capacitors are mostly used in general purpose AC-DC and AC-AC voltage regulator applications, such as DC motor starters, switching regulators, line-frequency-operated transformers, and power supplies. Moreover, they are suitable for wide range of pulse transformer applications, low-inductance, self-healing configurations, which includes AC power line and high energy discharge applications.

Working principle

The working principle of film capacitors is based on electrostatic field principles. Film capacitors consist of a thin metal layer which is sandwiched between two layers of insulating material. When an external voltage is applied, the insulating layers become polarized and create an electric field between them. When the voltage source is removed, the electric field dissipates and the capacitor discharges.

The electric field generated inside the capacitor causes the charges to flow in an alternating current manner. This oscillation of charges results in the development of a dynamic electric field which is used to store an electric charge. The charge stored inside the capacitor is referred to as the capacitance. A capacitance has the ability to store a certain amount of energy in an electric field before its discharges.

The most important feature of the film capacitors is that they have an excellent aging stability and low power losses. Thanks to their stable behavior, film capacitors are ideal for use in applications such as signal filtering, signal processing, signal amplification and power applications.

In conclusion, BFC238361243 is a film capacitor with excellent properties and applications fields in different audio and radio frequency (RF) transmission, such as power supplies, digital circuits, filters, radio receivers, TVs, HiFi and car audio systems. It is an ideal choice for applications where stable behavior and low power losses are crucial.

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