185223K400RGA-F

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Film capacitors, also known as plastic film capacitors or plastic film dielectric capacitors, are electronic capacitors that use plastic film as the dielectric. They are combined with paper, aluminum foil, and other types of dielectrics. The type of plastic film used determines the characteristics of the resulting capacitors. A popular option is the 185223K400RGA-F film capacitor.

Application Fields

The 185223K400RGA-F film capacitor is a popular option for high-frequency pulse waveforms and offers excellent characteristics in high-frequency applications. It is suitable for the filtering of amplifiers and regulators in the audio range, as well as other general-purpose high-frequency circuits. It has an extended temperature range of -40°C to +105°C and is resistant to most corrosive materials.

The 185223K400RGA-F is also suited for use in power supply decoupling, pulse generator, AC motor inverter/servo control, DC/DC converter, electromotive drive, and switching power supply applications. It operates effectively at low leakage current and is provided in radial or axial leaded versions, suitable for vertical or horizontal mounting. It features excellent self-healing properties, with no arc or spark when in operation.

Working Principle

The working principle of a film capacitor is based on the same electrical principles as a traditional capacitor, with an electric field created by two electrical conductors separated by an insulating dielectric material. The voltage between the two conductors is proportional to the electric field.

A film capacitor is created by winding a plastic film (usually a polyester film) around an insulating core and using a conductive material (usually aluminum) to make the two electrical plates that attach to the terminals of the capacitor. This type of capacitor is typically much smaller in size than a traditional capacitor due to the fact that the plastic film takes up much less space than a traditional paper dielectric.

The material used in the plastic film can vary, depending on the desired properties of the capacitor. For example, some films are designed to be more resistant to higher temperatures, while others are designed for higher frequencies. Additionally, the thickness of the film can be varied to affect the capacitance of the capacitor.

The 185223K400RGA-F film capacitor features an extended temperature range, making it suitable for use in a wide variety of applications. It also offers excellent characteristics for high-frequency applications and features excellent self-healing properties.

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