BFC237520472

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Film Capacitors

A film capacitor, sometimes also known as a plastic film capacitor, is a type of capacitor that uses a film as the dielectric material. It is constructed with two electrodes placed on either side of a thin film, and the entire unit is encased in an additional wrap to prevent electrical shorts.

The type of film used in a film capacitor can vary, ranging from polyethylene terephthalate (PET), polyethylene naphtalate (PEN), polyphenylene sulfide (PPS) and mylar to polyamide-imide (PAI), polycarbonate (PC) and some other energetic films.

The relatively thin film used in a film capacitor has a low distributed capacitance and high distributed inductance, so the capacitance is not dependent on frequency. This makes film capacitors a good electroacoustic component for use in applications where the frequency response needs to remain consistent over a wide range.

Film capacitors can be attached to the board using two terminals, which will typically be the plus and minus terminals, or they can be soldered directly to the board. The two terminals of the capacitor are connected by an internal trace to ensure that the correct polarity is maintained.

BFC237520472 is an example of a film capacitor. This type of capacitor has a wide range of applications and is a great choice for any application that requires low capacitance and high efficiency. It is particularly well suited for audio signal processing, motor starting, filtering, surge protection, and circuit protection. The BFC237520472 film capacitor has a capacitance range of 2 to 20mFd, a maximum voltage range of 630VAC, a maximum temperature range of 105°C, and a very high energy storage capability.

The BFC237520472 capacitance and efficiency are maintained by the application of a thin film coating on the internal dielectric material, which allows efficient control of the internal impedance. The thickness of this film can be adjusted depending on the application, allowing for more or less capacitance and greater or lower efficiency.

The operation of the BFC237520472 film capacitor is relatively straightforward. When an AC source of voltage is connected to the capacitor, the alternating current charges and discharges the capacitor depending on the signal voltage. This occurs in very quick succession, which allows the capacitor to absorb energy from the AC source in the form of a varying electric field that is created and discharged across the capacitor.

The BFC237520472 film capacitor is well-suited for use in a variety of applications that require a reliable and efficient electroacoustic component. Its relatively low capacitance and high efficiency make it a great choice for applications such as audio signal processing, motor starting, filtering, surge protection, and circuit protection. Its use of a thin film on the dielectric material allows it to operate effectively and efficiently in a wide range of operating conditions.

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