C870CG35800AA2J

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Film Capacitors

Capacitors are essential components in many electrical and electronic devices. They are commonly used to store energy, to provide smoothing of pulsed signals, and to control electrical circuits in radios, televisions, and other consumer electronics. The C870CG35800AA2J is a type of film capacitor and is used in a variety of applications.

Overview of Film Capacitors

Film capacitors are manufactured in many different sizes and shapes. They are cylindrical or rectangular, and the construction of the dielectric material is usually either a polyester film or a metallized film. The dielectric material is aluminium, polypropylene, polyphenylene sulfide, polycarbonate (or other polymer films). The electrical performance of film capacitors is excellent, as they have low internal losses, a relatively high breakdown voltage, excellent self-healing properties, a long service life, and high reliability. Film capacitors are used in a broad range of applications, such as film-foil capacitors, solar panel capacitors, and aeronautical capacitors.

C870CG35800AA2J Application Field and Working Principle

The C870CG35800AA2J film capacitor is designed for use in low temperature areas of -40 degree Celsius to 125 degree Celsius. The capacitor is mainly used for motor control applications, for example, in refrigerated transport vehicles, laden with fresh or frozen food that need to maintain a certain temperature. The capacitor features a low ESR (equivalent series resistance), ensuring a low level of power dissipation, and high ripple current capacity, meaning that it can handle high current loads.

The design of this capacitor includes two conductive layers of aluminium foils, a dielectric material (polyester film), which has insulating properties, and two layer terminations, which can be either a tinned copper wire or silver plated contacts. The capacitor is constructed as a “resonant” circuit, which is a series of three capacitors. When supplied with AC current, the capacitor will filter out higher frequency components and pass the lower frequency signal. This allows the capacitor to store energy and filter noise.

The C870CG35800AA2J is a highly reliable, efficient, and compact device, able to withstand temperatures up to 125 degree Celsius. It is well suited to motor control applications, where it can filter out higher frequency components and pass lower frequency signals. It is also able to store large amounts of energy without suffering from power losses, making it an ideal solution for powering refrigerated transport vehicles.

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