ECW-FE2J105J

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Film capacitors are an important class of capacitors, which are composed of an insulating dielectric film, shielded by metal films, and wound into a cylindrical shape. They are mainly used in various kinds of circuits to counter AC (alternating current) or spikes and absorb energy. Among these capacitors, ECW-FE2J105J (Enamel Fused Aluminium Wire Film Electrolytic Capacitor) is a popular one that is widely used in industry applications. This article will discuss the application fields and working principles of ECW-FE2J105J.

ECW-FE2J105J is an electrical component whose function is to decrease electrical impedance and improve signal integrity. These capacitors are mainly used in audio power amplifiers, audio data converters, power supplies and oscillators. They are highly reliable, being able to withstand high temperatures and vibrations. Generally, these capacitors can be used to filter AC, dc, and high-frequency manufacturing signals from oscillators, allowing only frequencies that are required by the system to pass (low-pass or high-pass). Moreover, they can be used to decouple voltage spikes or AC noise, thus reducing the source of system malfunctions or signal interference.

The working principle of ECW-FE2J105J is quite simple. It uses two metal films to shield the dielectric film and wind them together into a cylindrical shape. When voltage is applied to the two metal films, the dielectric film forms an electrical field in between them. Due to the electrostatic effect of charge originating from the dielectric field, the current flow is limited and the capacitance of the capacitor is established.

ECW-FE2J105J capacitors have several advantages compared to other capacitors. Firstly, they have a high insulation resistance, meaning that they are not susceptible to electrical leakage, and therefore have a longer life expectancy. Secondly, due to their cylindrical shape, they can be conveniently mounted onto PCBs (Printed Circuit Boards) saving space and providing better heat dissipation. Lastly, they are relatively low-cost, making them ideal for mass production.

In conclusion, ECW-FE2J105J is a type of film capacitor widely used in various industrial applications such as audio amplifiers, converters, power supplies, and oscillators. It is highly reliable and able to withstand high temperatures and vibrations. Its working principle is simple and involves the formation of an electrical field between two metal films and a dielectric film. Furthermore, these capacitors provide several advantages such as insulation resistance, convenience for PCB mounting, and low cost for mass production.

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