BFC237525911

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Film capacitors, also known as plastic film capacitors, are capacitors made from a plastic film as the dielectric. These types of capacitors are manufactured by winding metal stripes on both sides of a film and have a very low dissipation factor, which makes them extremely reliable during operation in AC circuits. Film capacitors have been used in electronic circuits since the 1950s and are widely used in the manufacture of high-end audio equipment and other electronic devices.

The BFC237525911 is a film capacitor from the BFC series, which offers superior performance with high capacitance temperature stability and lifespan. It is rated with a capacitance range of 470pF to 4.7µF. This film capacitor is designed to work at high temperatures up to 125°C and has good resistance to vibration and shock. It contains two short metallic stripes or wires that alternate between the two layers of plastic film insulation, providing a high electrical field between the two connection wires.

The metal stripes are coated by an insulating layer of polypropylene to ensure there is no short circuit between the two electric poles, while still maintaining a low dissipation factor. In addition, the films are wound around a ferrite core to obtain an even higher stability. This construction method offers an excellent performance in almost any application, including AC operated elliptical type filters, high stability resonators, and low noise oscillators. The BFC237525911 film capacitor is also capable of handling voltages up to 400V, making it the perfect choice for high power applications.

The working principle behind a film capacitor is relatively simple. When a voltage is applied across it, the capacitor will acquire an electric charge proportional to the applied voltage, resulting in a potential difference between the two wiring ends. This electric field brought by the capacitor results in a flow of electrons that is conversely proportional to the applied voltage. This means that the higher the voltage applied to the capacitor, the lower the amount of electrical charge that will be stored.

In addition to this, film capacitors allow for very low losses due to the low dissipation factor, allowing for a higher oscillation frequency in AC circuits. They are also highly resistant to temperature and humidity, making them suitable for applications with high temperature environments. The low dissipation factor also allows the BFC237525911 to be used in high power applications such as UPS systems, PFC regulators, gas discharge lasers, and industrial power supplies.

Overall, the BFC237525911 film capacitor from the BFC series is a great choice for a variety of applications thanks to its high temperature stability, low dissipation factor, and excellent shock and vibration resistance. It is a reliable option for high power applications that require a good capacitance temperature stability and long life.

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