BFC236645823

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Film capacitors, or plastic film capacitors, are one of the oldest and most reliable electrical components. Often used in audio electronics and power supplies, they are characterized by their small size, low cost, and low-resistance. Represented by the part number BFC236645823, these capacitors are a popular choice for applications that involve power and signal regulation, noise filtering, and the suppression of static electricity.

Types of Film Capacitors

Film capacitors come in a variety of styles, including metallized polypropylene, polyethylene naphthalate (PEN), and polyphenylene sulfide (PPS). Each type has its own unique characteristics, so it is essential to understand which type is appropriate for a given application. For example, metallized polypropylene capacitors are typically used in audio applications, as they possess low distortion and good stability. PEN capacitors are typically used in power supplies, as they have high dielectric strength and good temperature characteristics. PPS capacitors are great for noise filtering and signal regulation, as they tend to be very low-resistance.

Working Principle of Film Capacitors

The full name of a film capacitor is “film and foil” capacitor. It is composed of two thin metal layers, typically aluminum and copper. The metal layers are laminated to opposite sides of a thin plastic film. One side of the capacitor has a positive charge, and the other side has a negative charge. When a potential difference is applied across the two metal layers, an electrical current flows. This current is stored as an electrical field between the two metal layers. This field is known as capacitance.

When an alternating current is applied, film capacitors act as a filter, allowing the alternating frequency current to flow through while impeding the lower frequency components. This property allows them to be used in applications such as power factor correction, noise suppression, and voltage regulation. They can also be used as an amplifier in audio components.

Advantages of Film Capacitors

One of the greatest advantages to using film capacitors is their low parasitic resistance. This means that they will not create additional resistance when conducting an electrical signal. This is especially important for applications such as audio equipment, where low resistance would result in unwanted noise and distortion. Additionally, film capacitors exhibit low inductance, yielding a higher bandwidth for the electrical signal, which is beneficial for applications such as radio frequency (RF) communication. Lastly, film capacitors also boast high dielectric strength, making them great for power supplies.

Disadvantages of Film Capacitors

Film capacitors have one main disadvantage: their small size. This makes them difficult to solder, as they require specialized tools to properly secure them to a circuit board. Furthermore, film capacitors are typically more expensive than other types of capacitors, such as electrolytic, ceramic, and mica capacitors. Additionally, film capacitors are not as durable as other types of capacitors, meaning that they must be handled carefully. Lastly, film capacitors tend to have a shorter lifespan than other types of capacitors, so regular maintenance or replacement is needed to maintain optimal performance.

Conclusion

The BFC236645823 film capacitor is a versatile and reliable electrical component. It is commonly used in audio electronics, power supplies, and the suppression of static electricity. Its small size, low cost, and low-resistance make it an ideal choice for many applications. Additionally, its low parasitic resistance, high dielectric strength, and low inductance make it a great choice for RF communication and power factor correction. Despite its many advantages, film capacitors are not without their drawbacks. They are more expensive than other types of capacitors, and not as durable. Furthermore, their small size can make them difficult to solder onto a circuit board. Despite these drawbacks, film capacitors are still a great choice for a variety of applications.

The specific data is subject to PDF, and the above content is for reference