BFC237045273

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Film Capacitors

Film capacitors, also known as polymer film capacitors, are used in a variety of applications due to their high capacitance, small size, low ESR (equivalent series resistance), and wide acceptable operating temperature range. With the BFC237045273 series, these capacitors are constructed from stacked plastic film and electrode layers deposited on an internal core. Due to their highly efficient design, these capacitors have low ESR, high frequency characteristics and long-term stability characteristics for use in various areas.

BFC237045273 Application Field

The BFC237045273 series has a wide application range and is suitable for a variety of applications such as line smoothing, decoupling, voltage compensation, energy-saving lighting, DC line filter, household appliances, and PFC (power factor correction) circuits. In these applications, it works to reduce voltage ripple and EMI/RFI (electromagnetic/radio frequency interference). Additionally, these film capacitors are used in solar modules to reduce power losses and improve power efficiency.

BFC237045273 Working Principle

Film capacitors work by using a thin insulated material (plastic films) to separate two conductive surfaces. When a voltage is applied across the two surfaces, a differential electric field is created, which stores energy in the form of an electrical charge. This charge is stored as a charge of electrons and ions on the two surfaces. Therefore, when a current is passed through the device, a voltage is produced that is opposite to the applied voltage. The charge balance is maintained by the formation of a leakage current.

The BFC237045273 series has a low impedance which means it is able to react quickly to voltage fluctuations, which makes it well suited for use in power conditioning and audio applications. The capacitors have a temperature coefficient of -25±0.4%/℃, which means the capacitance remains relatively stable over a wide range of temperatures.

Conclusion

Film capacitors, such as the BFC237045273 series, offer a variety of advantages, including their suitability for many applications and their ability to reduce voltage fluctuations and EMI/RFI. The devices also feature a low impedance and temperature coefficient, making them ideal for use in power conditioning and audio applications. Film capacitors are quickly becoming the preferred choice for many applications due to their efficiency and reliability.

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