B25834D5107K4

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Film capacitors, also known as plastic capacitors, are electronic components that store energy between two electrodes – typically thin metal films – using a dielectric material. The B25834D5107K4 is a polypropylene film capacitor and is a member of the BB family of surface-mount ("SM"), chip capacitors. Capacitors of this type are used in various applications, such as signal coupling, filtering, bypass, and energy storage.

Application Field

The B25834D5107K4 film capacitor is most commonly used in applications involving switching and spike suppression, as well as in applications involving audio/video equipment, automotive electronics, and power supplies. It is suitable for use in circuits where high frequency switching is required, as it offers excellent high frequency characteristics and low ESRs. This film capacitor is also used in applications which require a high operating temperature.

Other applications in which the B25834D5107K4 film capacitor can be used include decoupling circuits, signal filters, resonating and timing circuits, voltage dividers, and line sockets. Additionally, it can also be used in general circuit applications, such as subtracters, phase trackers, pulse generators, and general signal conditioning.

Working Principle

A capacitor is an electronic component that stores electrical energy in the form of an electric field or a magnetic field between two conducting surfaces. The B25834D5107K4 is a multi-layer film capacitor and its working principle is very much the same as a regular capacitor, with the difference that it uses a dielectric material (usually polypropylene) instead of ceramic as its insulating material. This device stores energy by creating an electric field between two metal foils, which are separated by a dielectric material.

When a voltage is applied across the capacitor’s terminals, an electric field is created between the metal foils, and this electric field sets up an electric charge on the faces of the metal foils. The electric charge is proportional to the amount of voltage applied across the metal foils. This charge continues to build up until the capacitor reaches its maximum capacity and the voltage across the capacitor→ terminal drops to zero.

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