BFC236848333

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Film Capacitors

Film capacitors, also known as plastic film and foil capacitors, are a type of capacitor that utilizes thin plastic film as the dielectric material between two metal foils. They are widely used in electronic circuits, especially in high frequency and high voltage applications.The BFC236848333 is a film capacitor designed for high-frequency applications. It is an aluminum housed, four-pin, radial leaded capacitor with a small form factor and high current capability. The capacitance value is marked on the case, and the rated voltage is 250VAC. The capacitor is suitable for a wide range of applications including switching power supplies, electronic lighting, air conditioning control systems, power supplies, UPS, and industrial automation.

Working Principle

Film capacitors are constructed in a similar way to electrolytic capacitors, with the dielectric being a thin film of plastic. The metal foil electrodes are printed or stamped onto the plastic film and are separated by an insulator, such as mica. This design improves the voltage and frequency ratings compared to electrolytic capacitors, making them suitable for high-frequency applications. The dielectric material used in the BFC236848333 is polypropylene, which has excellent dielectric characteristics and is low-loss. The metal foil electrodes are made of an aluminum-zinc alloy, which provides a high level of stability and long-term reliability. The electrolytic capacitance is excellent, and the capacitor is designed for high-frequency applications with a maximum operating frequency of 100 KHz. The capacitor is also designed for high voltage applications, with a maximum surge voltage of 1000V. The capacitor is also self-healing, meaning it can recover quickly from electrical transients and provide protection against over-voltage and over-current conditions. The capacitor is also RoHS compliant, making it suitable for use in a wide range of applications.

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