R60DF4330AA6AK

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Film Capacitors

A film capacitor is a device composed of two electrical conductors that are separated by a dielectric film. Usually, gas filled and other types of capacitors use dielectric materials to separate the conductors, such as paper, mica, ceramic, and tantalum. In contrast, film capacitors use plastic film, typically polyester, polyethylene, polypropylene, or Teflon for the dielectric material.

The R60DF4330AA6AK is a film capacitor series especially designed for high-performance, high-frequency applications. This type of capacitor is ideal for applications such as audio and video processing, radio frequency amplifiers and wideband amplifiers. The capacitance range is from 4.7pF to 4.7nF and the voltage range is from 50 V to 630V with two lead pitch variants of 4.7 mm and 5.3 mm. The R60DF4330AA6AK is also characterized by a high ripple current capability of 200 mA and maximum operating temperature of -55 °C to +125 °C.

Application Field

Film capacitors have numerous applications due to their unique physical and electrical characteristics. Because of their high temperature stability and high voltage resistance, they are commonly used in applications such as power supplies and line filters, pulse circuits, DC/DC converters, AC/AC converters and switch mode power supplies. The R60DF4330AA6AK film capacitors are specifically designed for high-performance, high-frequency applications and, as such, are ideally suited for audio and video equipment, radio frequency amplifiers and wideband amplifiers.

Working Principle

Film capacitors use the same working principle as other capacitors. Since neither side of the capacitor is a power source, no power flows through the device. A film capacitor works on the same principle as any other capacitor. Electrons in the conductor on one side of the film are attracted to the conductor on the other side of the film due to the electric field created by the applied voltage. The electric field that exists between these two conductors is known as the capacitance of the film capacitor.

When a voltage is applied across the film dielectric, the electric field increases the number of electrons located between the two conductors, thereby creating an electric charge. This electric charge stored in the film capacitor is what allows the device to operate as a current limiting component. When the voltage across the dielectric reaches a certain level, the stored energy is released in the form of current. This is done to protect the capacitor from being damaged due to the high voltage applied.

Film capacitors are characterized by their low parasitic series inductance, making them ideal for use in high-frequency applications. As the frequency of the electrical signal increases, the amount of time that it takes for the stored energy to be released also increases. This allows the film capacitors to better protect the device from high voltage as it acts as a current limiting component.

The R60DF4330AA6AK film capacitors are especially suited for high-performance, high-frequency applications. Due to their low parasitic series inductance, they are ideal for use in audio and video equipment, radio frequency amplifiers and wideband amplifiers.

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