BFC238045113

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Film Capacitors

Film capacitors are widely used across many industries. They are mainly known for their exceptionally high capacitance, and stable dielectric, leading to high functional durability. They are commonly used for energy storage, filtering, signal coupling, power factor correction, and dynamic braking applications. Although there are various types of film capacitors available in the market, some of the most popular ones include polypropylene, polyester, and polycarbonate film capacitors.

The BFC238045113 is a polypropylene film capacitor manufactured by WIMA. The capacitor has a nominal capacitance of 12.5nF and rated voltage of 400VAC, making it perfect for power factor correction and energy storage applications. Additionally, the capacitor has a very low loss factor, making it suitable for use in audio circuits and filters. The capacitor has a very low ESR (Equivalent Series Resistance) of 0.04 Ohms, and high self-resonant frequency of 20.3MHz.

Due to its construction, a BFC238045113 can handle high-frequency applications extremely well. With a high Q factor, high RPC (Resonating Peak Current) and high dV/dt capability, it is able to operate at much higher frequencies than standard film capacitors. Additionally, its construction also eliminates electrolyte leakage. This makes it a preferred choice for use in heavy industry applications, where reliability is an essential requirement.

The working principle of the BFC238045113 film capacitor is based on the principle of capacitance. In a capacitor, two separated conductors known as plates are insulated from each other by an insulating material known as a dielectric. When voltage is applied across the capacitor, electric charge accumulates on both plates, forming an electric field. The amount of electric charge that accumulates on the plates is proportional to the voltage applied across the capacitor. The amount of electrical energy that can be stored by the capacitor is determined by the capacitance of the device.

For the BFC238045113, the dielectric material is polypropylene film. This dielectric is highly stable compared to the other common dielectrics such as paper, mica, and Mylar. It also has excellent insulation properties, making it perfect for use in energy storage and power factor correction applications. Additionally, polypropylene film has high dV/dt rating, making it resistant to overvoltage surge. This further ensures reliability and stability of the operation of the capacitor.

In summary, the BFC238045113 film capacitor is a powerful device designed for applications requiring high capacitance, low ESR, and excellent insulation capabilities. It can be used in energy storage, power factor correction, signal coupling, dynamic braking, and filtering applications. Its construction allows for very high frequency operating capabilities, while its highly stable polypropylene film dielectric ensures reliable and stable operation.

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