ECQ-E6125JFB

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Film Capacitors

Film capacitors are type of electrolytic capacitor, which are constructed from thin plastic films and electrodes rather than the traditional aluminum foil. This type of capacitor offers many unique advantages, such as low leakage current, high breakdown voltage, and extremely low self-resonance frequencies. Film capacitors are suitable for signal filtering applications, such as power line filters, power supply filters, general electronic filters, RF filters, and several other types of filters. They are also used for AC motor capacitance, power transmission capacitance, and other applications.

ECQ-E6125JFB application field and working principle

The ECQ-E6125JFB is a film capacitor manufactured by Panasonic Corporation. It is a radial lead radial lead metalized polyester film capacitor that features high temperature resistance, stable performance, and a wide range of applications. It is suitable for applications within 1MHz-20MHz, such as telecommunication, power supplies, and DC-DC converters.

The ECQ-E6125JFB is designed with a polyester film and metalized electrode. Its layout and flexibility are designed to provide an excellent balance between gm and ESL, resulting in high-frequency balanced performance. The capacitor uses a self-healing structure, where the dielectric film is melted together and combined with polymer alloy electrodes, creating a dielectric barrier that is almost gap-free. The self-healing effect eliminates the need for extra protection by providing reliability and enhanced performance.

The working principle of the ECQ-E6125JFB is based on distributing charge over the surface area of a thin plastic film. This dielectric film covers the entire area between the two electrodes. The core of the ECQ-E6125JFB is made from polyester film, which is two layers of polyester with a thin coating of metal, usually nickel, on one side. The metalized layer is in contact with the electrodes and carries the charge stored in the capacitor. Electric charge is stored on the metalized layer and the capacitor “holds” it by not allowing any current to flow through.

The ECQ-E6125JFB has a relatively wide temperature range, depending on the application it is used in. It can operate in temperatures ranging from -55°C to +105°C, making it suitable for a variety of applications. Additionally, the thin metalized layer of the capacitor increases its performance under dynamic load, voltage, and temperature changes. The ECQ-E6125JFB can withstand up to 1,000 volts, making it suitable for use in high-voltage applications.

Overall, the ECQ-E6125JFB is a high quality, reliable radial lead metalized polyester film capacitor suitable for a range of signal filtering applications. It is highly suitable for applications within 1MHz-20MHz, making it an ideal choice for telecommunication, power supplies, and DC-DC converters.

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