Film Capacitors – BFC237547161 Application Field and Working Principle
Film capacitors, also known as plastic film capacitors, are devices composed of a plastic film substrate and metallized electrodes. BFC237547161, one particular plastic film capacitor, is designed specially for applications in power factor correction (PFC) circuits. It possesses a wide operating temperature range and excellent long-term stability, which makes it suitable to support power factor correction circuits of many different ratings.
BFC237547161 has a dielectric coating of high-performance polypropylene film. It also features electrolytic double-metallized film electrodes. These features allow BFC237547161 to exhibit exceptional values of small RMS current leakage, capacitance stability, low ESR (Equivalent Series Resistance), and overall reliability.
Features of BFC237547161
- Insulation resistance: >20000MΩ
- Rated voltage: 400VAC/450VDC
- Working temperature range: -40°C to +125°C
- Capacitance range: 0.047μF to 10μF
- Wide application parameters: dampness proof, anti-vibration, seismic resistance
- Excellent ESR and ESL stability
- Long service life
Application Field of BFC237547161
The main application field of BFC237547161 is within power factor correction circuits for various domestic appliances, such as air conditioners, washing machines, refrigerators, and other household devices. It is capable of providing excellent high-temperature reliability and long-term stability for these devices, and therefore improving their performance and energy efficiency. BFC237547161 also supports multiple ratings, including mains supply, low voltage, and high voltage ratings.
Working Principle of BFC237547161
BFC237547161 is designed to achieve power factor correction within electrical systems. It does this by providing high-voltage capacitance and current leakage protection; this is done with the dielectric coating, specifically the polypropylene film. This film is placed between the two electrodes, and the electric field generated between them provides an effective resistance to current leakage.
In addition, the metalized film on either side of the dielectric also provides excellent ESR and ESL stability, along with suppression of noise. The overall effect is a highly reliable plastic film capacitor with excellent performance and stability.
Conclusion
All in all, BFC237547161 is an excellent plastic film capacitor designed for use in power factor correction circuits. It features an attractive combination of high-voltage capacitance, low ESR and ESL stability, good current leakage resistance, and overall reliability. Its wide operating temperature range makes it suitable for use in many appliances, from air conditioners to refrigerators.