R75PR4100AA30K

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Film Capacitors are non-electrolytic capacitors that use thin plastic film repeatedly laminated with a thin metal film as its dielectric. They are casted in cylindrical case made of resin, and its leads are inserted and sealed by welding. They are a popular choice of passive components because of their good self-healing property and much higher voltage resistance compared to paper capacitors. This article will explore the application field and working principle of R75PR4100AA30K capacitor in detail.

Firstly, R75PR4100AA30K capacitors are commonly used in power supplies as a part of common-mode noise filter circuit. The device can assure the spectrum of interfered frequency range between 100 kHz to 300 MHz. Since the capacitor is constructed with a combination of metal film and plastic films, it has a much better handling capability and lower ESR interference which makes it a perfect choice for industrial sound devices and automotive electronic circuits with strict EMI-proofing requirement.

Secondly, R75PR4100AA30K capacitors have an insulation voltage rating of 30Kv, which is widely used for high voltage power grids. Its damp heat endurance and flame retardants properties make it a strongly recommendable choice for high voltage applications in industry such as welding machine or other high voltage power grids. It stability and high voltage resistance make it a great candidate for AC-DC motor applications.

Lastly, in terms of working principle, R75PR4100AA30K capacitors adopt a two-layer metal and plastic dielectric structure. When a high voltage is applied to it, the metal film and plastic film will form an electrostatic field. This field enhances the storage and transmission capability of the capacitor and it is specially designed to reject noises and stabilize various frequency rate. Furthermore, the higher the voltage and voltage tolerance, the larger the capacity of the capacitor and the thinner the dielectric. This leads to a higher capacitance and better performance of the device in high-frequency applications.

To sum up, R75PR4100AA30K capacitors are widely used in various industrial and high voltage applications, due to its damp heat tolerance, flame retardants, self-healing and EMI-proofing properties. Moreover, its high-voltage resistance and metal & plastic dielectric layer structure gives it a wide range of working frequency, making it a great choice for many different applications.

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