BFC247965153

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Film capacitors, widely known as polyester, polypropylene, polycarbonate, Teflon capacitors, are capacitor components made of a plastic film as the dielectric, usually combined with metallized electrodes or an aluminum foil electrode. The BFC247965153 film capacitor is a polyester-phenol capacitor with a three-layer metalized structure. It has a small size, low equivalent series resistance and excellent insulation properties.

Application Field

Film capacitors are extensively used in applications like power electronics, signal conditioning, and noise suppression, and filtering. BFC247965153 is a general-purpose capacitor with high insulation resistance, strong overload ability, good self-healing properties, and good stability. The ease of use, accessibility, and low cost make it an ideal choice in a variety of applications, such as power electronics, signal conditioning, sensor interface, communication, consumer audio, automotive, and automotive electronic products.

Working Principle

The three-layer metalized structure of BFC247965153 allows a low internal thermodynamic resistance compared to bipolar and non-polarized capacitors. The ceramic insulation layer between the inner two metalized layers forms the dielectric material to ensure the stable capacitance value over time, temperature, and voltage. The dissipated energy stored in the capacitor is related to its dissipation factor, which is a measure of the capacitor’s capacity to absorb energy and how efficiently it can release that energy.

The polymer dielectric is a relatively thin structure, typically between 0.001 and 0.003 inches in thickness. This thin dielectric ensures high capacitance values for the capacitor, but also increases the chances of arcing and breakdown. Fortunately, a self-healing characteristic, which is common to most film capacitors, helps reduce the possibility of breakdown by redistributing errant charge across the dielectric.

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