FFB36L0245K--

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Film capacitors are a type of capacitor that use a thin film as the dielectric and a metal layer deposited on the film as the electrodes. The most common type of film capacitors are polypropylene film capacitors, which are designed to provide excellent high-frequency characteristics while operating in harsh environments. The FFB36L0245K is a polypropylene film capacitor.

Application Field

The FFB36L0245K is primarily used for AC applications, such as lighting ballasts, in high voltage AC circuits. It is also used in switchmode power supplies, snubber circuits and high frequency invertors. The capacitor has a insulation rating of 630V AC and a self healing capability, making it suitable for many applications. Additionally, the FFB36L0245K has a high ripple current rating and low impedance, making it suitable for high frequency applications where high accuracy and reliability is needed.

Working Principle

The FFB36L0245K works on the principle of electrical coupling between two conductors separated by a dielectric. The two conductors of the FFB36L0245K are the two metal layers deposited on the polypropylene film. The dielectric is the polypropylene film itself. When an alternating current is applied to the two metal layers, the electric field that is generated affects the dielectric layer and causes the layers to be electrically charged. When the electric field is removed, the charge is retained by the dielectric film. The amount of charge that can be stored in the dielectric is determined by the capacitor’s capacitance, which is a measure of the amount of charge a capacitor can store per volt of applied voltage.

The FFB36L0245K has a better temperature coefficient than other film capacitors, making it suitable for use in applications that operate in harsh environments. It also has a very low impedance, meaning it has a low resistance to the flow of the alternating current. This makes the FFB36L0245K suitable for use in high frequency applications or applications where efficiency is a priority.

The FFB36L0245K also has a high ripple current rating, meaning it has a high tolerance to rapid changes in electric current. This makes it suitable for use in high current circuits where fast transient response is needed. It is also resistant to energy losses due to dielectric absorption.

Conclusion

The FFB36L0245K is a polypropylene film capacitor designed for AC applications with a insulation rating of 630V AC. It has a low impedance and high voltage handling capability, making it suitable for many applications. The FFB36L0245K also has a high ripple current rating and low self-healing capabilities which make it suitable for high frequency applications. Its better temperature coefficient and low impedance make it suitable for harsh environments.

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