BFC237111154

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Film capacitors, as the name suggests, refers to the capacitors that use plastic film dielectric materials such as polyester film, polycarbonate film and polypropylene film. BFC237111154 capacitors are film capacitors with polyester film, also known as polyester film capacitors. These capacitors are usually rectangular plastic packaging, with two printed electrodes inside the package. The electrodes on the two sides are electrically connected, and the middle is filled with metal-coated and electronically adjusted dielectric film. It is mainly used for bypass, filtering and suppression interference.

Working Principle

The BFC237111154 capacitor is composed of an insulating film, a collector and two electrodes. The most important part of the capacitor is the insulation film used. This insulation film consists of a polyester film with metal coatings facing each other. The conductor layers of the two electrodes are made of metal evaporated material. These two metal-coated layers form a pair of internal electrodes. At the same time, a very thin insulation film, usually made of polyester resin, is formed between the internal electrodes to form the capacitance of the capacitor.

Application Field

BFC237111154 polyester film capacitors are mainly used in treble-tone and coupling capacitors of audio systems, as well as in oscilloscopes, noise reduction circuits, and even pulse and semiconductor switching circuits. It is also used in low voltage DC switching power supplies, high-frequency transmission end, circuit current filter, filter capacitors, computer motherboards, cameras, and various types of audio, video broadcasting networks. In short, its application fields are very wide.

Compared to ceramic capacitors and electrolytic capacitors, these polyester capacitors are not only smaller in size, but also have a higher volumetric efficiency with a capacitance range of 0.01-3.3μF. In addition, these polyester film capacitors have good insulation, low loss and low dielectric absorption, and operate stably over a wide temperature range (-58 °F to 185 °F). They usually also have the characteristics of high insulation resistance and low loss, long-term stability, high insulation level and high temperature characteristics, which makes the BFC237111154 capacitor very popular in the electronics industry.

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