ECW-FD2W395KB

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Film capacitors are electronic components that use dielectric films, typically organic polymers films, as the dielectric material. They are well known for their low cost, small size, robustness, and high performance. The ECW-FD2W395KB is an example of a type of film capacitor. In this article, we will discuss the application field and working principle of this device.

The ECW-FD2W395KB is designed for use in a variety of applications, including AC line-by-passing, pulse-bypassing, and power supply filters. It is designed to have excellent performance characteristics, including low ESR, high ripple current, and high capacitance. It is also capable of handling temperatures up to 150°C.

The ECW-FD2W395KB is a polyester film capacitor with a solid aluminum case and axial terminals. It is a non-polarized device, meaning that it does not require external polarity when being wired up. The device is also lead-free, making it more environmentally friendly.

The working principle of this component can be broken down into two parts. First, the device works by creating an electric field within the metal case, which is then used to initiate a charge transfer between the two terminals. This charge transfer is then used to store energy as a capacitive element. This process is known as electrostatic capacitive coupling.

Second, the device then works by using the dielectric film inside the case as an insulator. This insulating film helps to reduce the possibility of current leakage and improves the efficiency of the capacitor. In the case of the ECW-FD2W395KB, the dielectric film is the polyester film, which helps to increase the overall capacitance of the device.

In conclusion, the ECW-FD2W395KB is an example of a film capacitor that is designed for use in a variety of applications, including AC line-by-passing, pulse-bypassing, and power supply filters. Its working principle consists of electrostatic capacitive coupling and dielectric film insulation, and it has excellent performance characteristics. Therefore, it is a very useful component for any application that requires a reliable and high-performance capacitor.

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