BN104G0333K--

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Film capacitors are a type of capacitor that has been in use for many decades and their popularity continues to grow as they become more reliable and widely available. A film capacitor, sometimes called polyester capacitors or polypropylene capacitors, is a capacitor that consists of two or more capacitor plates which are insulated from each other by a thin film of dielectric material. Film capacitors can be used for a wide range of applications, from power supplies to industrial motors, and they have a number of advantages over other types of capacitors. In this article, we will discuss the application field and working principle of BN104G0333K, a popular type of film capacitor.

Application field

The BN104G0333K is a high-capacity film capacitor with a high voltage rating and a good surge handling capability. Its features make it suitable for a variety of applications. One common use is as a coupling or bypass capacitor in audio circuits. As an audio coupling capacitor, it can provide low-frequency coupling between stages by passing low-frequency signals while blocking high-frequency signals. These capacitors are also used in antenna switching networks, digital filter circuits, DC blocking, low impedance DC power supplies, and DC to DC power converters.

In addition to audio circuits, film capacitors can be used in a variety of other applications. They are used in television and video systems to provide low-pass filtering and reduce high frequency noise. They are also used in power electronic systems to reduce voltage spikes and reduce the electromagnetic interference (EMI) generated from the system.

Working Principle

The BN104G0333K is a type of film capacitor, which is designed to pass current with minimum loss of charge. Its working principle is based on an opposition to changes in electrical potential. The capacitor consists of two metallic plates that are separated by a dielectric material. As a charge is applied to one plate, an opposite charge is induced in the other, creating an electrostatic field between the two plates. This electrostatic field opposes any changes in the voltage between the two plates.

In addition to passing current, the capacitor can also act as a filter, allowing low-frequency signals to pass through while blocking high-frequency signals. This is accomplished by the capacitor’s impedance, which is a measure of its ability to oppose changes in voltage. When a higher frequency signal is applied, the capacitor’s impedance increases, resulting in a decrease in current. As a result, the higher-frequency signals are unable to pass through the capacitor.

The BN104G0333K has a typical impedance frequency of 100 KHz and a maximum working voltage of 4KV. These features make it an ideal choice for many applications, including audio circuits, power supplies, antenna switching networks, and DC to DC converters.

Conclusion

The BN104G0333K is a type of film capacitor that is used in a variety of applications, from audio circuits to power supplies and antenna switching networks. Its high voltage rating and good surge handling capability make it ideal for these types of applications. Its working principle is based on an opposition to changes in electrical potential, with an electrostatic field being created between the two plates. The capacitor’s impedance provides low-frequency coupling between stages and acts as a filter to block high-frequency signals.

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