R71MI36804030K

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Film capacitors, in general, use a high-grade plastic film as the dielectric material, which is provided with the property of high dielectric strength and, when coupled with the right electrodes, will act as an electrical insulator. The film is sandwiched between two metallic electrodes, which act as the electrical conductor between the dielectric material and the outside circuit. The construction of film capacitors is a significant improvement over other forms of capacitors, such as ceramic and paper, because the combination of plastic film, electrodes, and circuitry have a much higher capacitance, as well as being able to hold a much higher voltage rating.

The R71MI36804030K is a film capacitor designed for use in a variety of applications. It features a polypropylene capacitor element with a film thickness of 4 mils and a temperature coefficient of -30%. The R71MI36804030K is designed for both AC and DC applications and has a voltage rating of 450 VAC at 120°C. It is also rated for a resistance of 0.13 ohms and a dynamic resistance of 0.08 ohms. The R71MI36804030K also features a high ripple current rating of 2.6A/100 kHz/185°C at a capacitance of 4.7uF.

The R71MI36804030K is designed for use in high voltage and high current applications such as power supply circuits, fluorescent lighting ballasts, welding power supplies, and industrial motor control. It is also suited for motor drives, audio equipment, AC/DC interface circuits, and high frequency switching power supplies. The capacitor is also designed for use in high temperature applications and can withstand temperatures up to 120°C.

The working principle of a film capacitor is based on the electrostatic principle. In a film capacitor, two layers of a plastic dielectric material are sandwiched between two layers of electrodes, which together form the capacitor\'s electric field. When a voltage is applied across the two electrodes, the electric field causes a separation of charges as electrons move in one direction and holes in the other. This charge separation creates a static electric field in the dielectric material which, in turn, creates an electrical capacitance. This capacitance is dependent on the amount of charge stored and the size of the plates.

The R71MI36804030K is designed to be used in a wide range of applications, from motors to audio equipment, due its capability of handling high voltages and high current. Its popularity among engineers is also due to its robust construction and its ability to operate at high temperatures, which makes it a reliable component for high power devices. The high capacitance and low ESR makes it suitable for power supply circuits, motor drives and high frequency switching power supplies.

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