ECQ-B2472JF

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Film capacitors, also known as metallized film capacitors, are made by depositing a metal film on the surface of a high-grade plastic film, with a thickness of 1~30μm and a relative dielectric constant of 2.0~7.0, commonly made of polyester, polyethylene, polypropylene materials. ECQ-B2472JF is a type of film capacitor typically used and is popular for applications in home electronics such as televisions and audio systems.

As such, ECQ-B2472JF is used as a passive filter device in direct current circuit boards of direct current signals. This type of capacitor is used to suppress the high frequency components in a dc signal, leaving the lower frequency components for further processing. The film capacitor is usually inserted in a circuit that forms a combination of a low-pass filter and a bypass capacitor, and so it is capable of suppressing large harmonics and providing high-quality signals for processing. For example, it can be applied in the audio signal processing system to cut off the treble and increase the bass, thus improving the quality of the sound output.

Additionally, in the circuit of a television, the electronic components make a small amount of noise, causing the picture to flicker. A film capacitor can improve its performance by reducing interference. Since the ECQ-B2472JF film capacitor can also provide charge or store energy, it can also be used in devices that have high frequency circuit boards such as switching power supplies and inverters.

The working principle of ECQ-B2472JF is very simple. It consists of two electrodes separated by an insulating material, usually a non-conductive film. When an AC voltage is applied across the electrodes, an electric field is generated. The electric field is then modulated by the insulating material in such a way that the electrostatic capacitance of the device remains almost constant and unaffected by the applied voltage. As a result, the capacitor stores its original charge, and the charge on one electrode is distributed evenly over the surface of the other electrode.

Furthermore, the film capacitor has a low equivalent series resistance (ESR), and it is smaller and lighter in weight than electrolytic and ceramic capacitors, making it a preferred choice for small size and light weight design. Lastly, its self-healing ability helps to reduce the possibility of short circuit caused by the breakdown of the oxide layer, and its wide temperature range and improved vibration resistant make it ideal for use in various types of high temperature environments.

In conclusion, the ECQ-B2472JF is a stable and reliable type of film capacitor which is ideal for many applications where size, stability, and reliability are necessary. Its low cost and light weight make it a go-to choice for many consumer electronics, from home audio systems to television sets and switching power supplies. It also has a wide temperature range and improved vibration resistant to ensure the reliability of the device.

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