BFC233868449

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Film Capacitors

Film capacitors, also known as polypropylene capacitors, are non-polar thin-film electrolytic capacitors. They are capacitors whose conductive electrodes are composed of a metallized film which is separated from a second layer made of a dielectric film, typically polypropylene.

BFC233868449 application field and working principle

BFC233868449 film capacitors are designed for general purpose applications. They are widely used for signal filtering, bypassing, decoupling, energy storage and pulse discharge applications, in which the requirements concern both miniaturization, good performance both in AC and DC applications and low-cost.

BFC233868449 film capacitors are based on a multi-layer polypropylene structure. Several conductive or non-conductive layers are spaced by a polypropylene film, laminated together and terminated with two tinned copper terminations.

The capacitance is determined by the area of the electrodes, which are metallized with an ultrathin film of aluminium, the dielectric material used and the distance between the electrodes. As a result, the thickness of the film and the area of the electrodes determine the capacitance and the used dielectric material determines the maximum voltage of the capacitor.

Advantages of BFC233868449 film capacitors include higher capacitance per unit volume, lightweight, higher frequency response, better performance in different environmental conditions, low equivalent series resistance (ESR) and low equivalent parallel resistance (ESL) than other capacitor technologies, and better temperature stability.

BFC233868449 film capacitors also allow for better accuracy and stability as well as higher breakdown voltages. This allows them to operate at higher capacitances, making them an ideal choice for applications where small size and low cost are required.

In summary, BFC233868449 film capacitors are designed for general-purpose applications. They offer excellent performance with low cost, high capacitance per unit volume, good frequency response, low ESR and ESL, and good temperature stability.

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