BFC247946274

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Film capacitors are widely used in the electronics industry due to their excellent electrical properties, high resistance to temperature and moisture, and low reactance. One type of this capacitors, BFC247946274, has been particularly useful in the industry. In this article, we will discuss the application field and working principle of this part.

Applications

BFC247946274 capacitors are an ideal choice for use in high frequency, low ESR switching power supplies. This capacitor type can support higher ripple currents than electrolytic capacitors and is available in low ESR values ranging from 10mOhm to 70mOhm. It has tight tolerances on capacitance values and excellent temperature stability (<5% variation from rated value over a broad temperature range).

BFC247946274 capacitors are also suitable for EMC applications such as signal filtering, low distortion power supplies and common-mode noise suppression. They are used in low-frequency resonators, pulse filters, line filters, and broad-band blocking capacitors. Lastly, their low ESR values make them a good choice for decoupling in high-speed logic systems.

Working Principle

The BFC247946274 capacitor is a polypropylene film capacitor with a metallized film. The metallized film is composed of thin aluminum, zinc or other metal layers that are evaporation coated on top of a polypropylene film. The metal layer acts as the anode, and the other end of the capacitor is typically connected to ground, forming the cathode.

When a voltage is applied across the anode and cathode, an electric current is generated as charge carriers flow from one electrode to the other. This current is responsible for storing electrical energy in the capacitor and is referred to as a charge. The charge stored in the capacitor can then be released when the applied voltage is removed. This is how BFC247946274 capacitors function and can be used for storing and releasing energy.

By employing polypropylene film with unique dielectric properties, BFC247946274 capacitors are able to achieve high-performance characteristics, including low ESR, low DF, and low noise. This makes them an ideal choice for high-frequency applications, such as radio-frequency and switching power supplies.

Conclusion

BFC247946274 capacitors have become a popular choice for use in a variety of electronics applications due to their excellent characteristics. These capacitors offer low ESR values, tight capacitance tolerances, and excellent temperature stability. They are suitable for EMC applications, low-frequency resonators, pulse filters, line filters, and common-mode noise suppression. Furthermore, their low ESR values make them useful for decoupling in high-speed logic systems. Ultimately, these qualities ensure that BFC247946274 capacitors remain a reliable and effective component for modern electronics.

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