BFC237590167

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Film capacitors, also known as plastic film capacitors, are composed of a film as the dielectric and are a type of capacitor in which the dielectric is a plastic film. Their characteristics include a high dielectric breakdown strength, wide temperature range, good capacitance stability over time and frequency, and low losses. They are used in various applications such as acoustic crossover filters, radio frequency filters, power supply filtering, antistatic devices and electronic motors. This article discusses the application field and working principle of a specific film capacitor, the BFC 2375 90167.

BFC 2375 90167 is a polypropylene film capacitor with a rated voltage of 250VAC. It is designed for general-purpose use, and is suitable for AC applications such as motor run capacitors, AC mains filters, antenna coupling, and power supplies. It is widely used in automotive, household electrical appliances, lighting systems, motors, hi-fi systems and other electronic equipment.

The BFC 2375 90167 has a capacitance range of 1uF to 4.7uF to ensure good filtering performance over a wide range of frequencies. Its capacitance value is highly stable over time and frequency, which makes it suitable for use in stable frequency applications such as radio frequency and microwave frequency circuits. It also has a low ESR which ensures that the capacitor has low self-discharge and low noise.

The BFC 2375 90167 has a number of features that make it an attractive choice for many applications. It has a high dielectric breakdown strength and a wide temperature range of -40°C to +125°C. This means that it can be used in a wide range of applications in both extreme hot and cold environments and still maintain its performance. It is highly resistant to temperature change and humidity, making it suitable for use in outdoor applications.

The working principle of the BFC 2375 90167 is based on the electrical property of a dielectric material. When an electric field is applied to a dielectric material, it causes a polarization or reorientation of the molecules in the material. As a result, a charge is formed on the surface of the material and this creates an electric field which is opposed to the applied electric field. This effect is known as capacitance, and it is the basis of how a capacitor works.

In the case of a film capacitor, the capacitance is determined by the thickness of the dielectric material and the number of charged layers. The voltage rating of the capacitor is determined by the dielectric strength of the material. When the applied voltage reaches the dielectric breakdown voltage, the capacitor will fail. The capacitance value of the capacitor is also highly dependent on the material used, as different types of materials will differ in their dielectric strength and capacitance values.

In summary, the BFC 2375 90167 is a general-purpose polypropylene film capacitor suitable for AC applications. It is highly stable over time and frequency, and has a wide temperature range, making it suitable for use in a variety of applications. Its working principle is based on the electrical property of a dielectric material, and its capacitance and voltage rating are determined by the thickness of the film and the dielectric strength of the material.

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