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Film Capacitors

The BFC236811274 is a form of capacitor that falls within the Film Capacitor category. Film capacitors are formed with polymers that offer a high degree of stability and reliability. As such, they are used in a variety of applications, from high-voltage AC power lines, computer power supplies and other aerospace and industrial applications.

Application Field

The BFC236811274 is especially suited for applications that require high levels of safety, reliability and performance. It is typical likely used in automotive applications, including ECUs and engine environment components. It is also suitable for various applications in robotic systems, as well as lighting, communications and audio systems.

In addition, the BFC236811274 is also widely used in medical applications, such as medical X-ray machines and defibrillators, as well as in control systems and medical sensing inputs and outputs. It provides surge currents and low inductance values that can help protect sensitive circuits from transient voltage spikes.

Working Principle

The working principle of the BFC236811274 lies in its construction. It is made up of a dielectric layer which is often a thin film of polychlorotrifluoroethylene (PCTFE) or polyethylene naphthalate (PEN). On the electrodes, in turn, is a strong mechanical layer of metal, like silver or copper. This film is then connected to electrodes of alternating polarity and mounted, usually on a base.

When a voltage is applied across the electrode, it causes the charges to start flowing from one pole to the other. When the capacitor is discharged, the charge will begin to accumulates on the electrodes due to the attraction of opposite charges, thus accumulating on the dielectric layer between the electrodes. The film then acts as a barrier to the movement of the charges and regulates the amount and direction of flow.

The capacitance value of the capacitor depends on the thickness of the dielectric layer, which affects the amount of charge that can be stored and the rate of charge transfer. With the BFC236811274, the capacitance values range from 470 pF to 4700 pF. The capacitance value is marked on its outside solderable cap, which ensures easy identification during installation.

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