C878BF34300AA4J

Film Capacitors

Film capacitors, also known as film dielectric capacitors, are designed for high reliability and long service life. They are ideal for use in critical applications in the audio, video, automotive, test and measurement, medical and telecommunications industries. The C878BF34300AA4J film capacitor is a radial-lead metallized polypropylene film capacitor.

Application Field of C878BF34300AA4J

The C878BF34300AA4J is designed for pulse and high current applications with its high dielectric strength and low ESR. It is widely used in power supplies, DC to DC converters, switching power supplies, industrial welding, inverters, audio power amplifiers and Class-D audio amplifiers. It is also used in high-voltage applications such as lighting, x-ray tubes and medical equipment. It is ideal for high-frequency and high-temperature applications requiring a long operating life.

Working Principle of C878BF34300AA4J

The C878BF34300AA4J Film Capacitor is designed to store electrical energy. An electrical current is applied to an area of the film material, which causes an equal but opposite current to flow in an adjacent area. This creates an electrical field across the two layers, which deflects the electric charges and creates a current. The capacitance is determined by the size of the conducting surfaces, the distance between the two surfaces, and the dielectric constant of the material.

The C878BF34300AA4J is an axial-style capacitor with metalized polypropylene film construction. It is designed to provide maximum dielectric strength and durability. The capacitor uses a metalized film dielectric with an aluminum-zinc (AZ) electro-deposited layer to enhance the ESR rating and helps reduce self-heating. The temperature stability is excellent and it boasts a long service life. The C878BF34300AA4J can withstand high voltage transients and retains its characteristics in a wide range of temperatures from -40 to 125°C.

Conclusion

The C878BF34300AA4J film capacitor is a radial-lead metallized polypropylene film capacitor designed for high reliability and long service life. It is suitable for high-voltage, high-current and high-frequency applications. Its excellent temperature stability, high dielectric strength, long operating life and low ESR make it an ideal choice for use in critical applications in the audio, video, automotive, test and measurement, medical and telecommunications industries.