ECH-S1391JZ

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Film Capacitors

A film capacitor is a type of capacitor that uses a film as the dielectric composed of a polymer film. Because of its special design, film capacitors offer higher capacitance values than ceramic capacitors and electrolytic capacitors as well as greater stability over a wide temperature range within which they are designed to operate.

The ECH-S1391JZ film capacitor is a surface mount, high voltage, high capacitance, and high reliability capacitor for applications in power electronics and other industrial electronic applications. It is based on the combination of metallized polyester film technology with ceramic core. This combination provides high capacitance values, excellent insulation and low ESR characteristics.

The ECH-S1391JZ is suitable for a variety of power electronics applications such as high power converters, motors, dc-dc converters, crossfire networks, AC to DC and DC to DC power supplies. It can also be used in high voltage inverters, magnetic ballasts, and other switch-mode power supplies.

Working Principle

The working principle of the ECH-S1391JZ is based on the capacitive property of the dielectric material. A dielectric material is any material that has the ability to store electrical energy and is located between two charged metal plates. When a voltage is applied to the plates, a current flows between them, resulting in the accumulation of electrical charges on the plates. This charge is then stored by the dielectric material, resulting in the formation of a capacitor.

The ECH-S1391JZ consists of a metalized aluminum foil and a polyester film with a ceramic core. The metalized aluminum foil will act as one electrode of the capacitor and the ceramic core is there to enhance the stability of the dielectric. When a voltage is applied to the capacitor, the electric field between the metalized aluminum and the polyester dielectric will attract electrons to the surface of the metalized aluminum, thus forming two regions with a net positive and a net negative charge. This results in a capacitance between the two electrodes which will allow for current to flow. The magnitude of this current depends on the capacitance of the capacitor.

The ECH-S1391JZ features a high voltage rating as well as a higher stability from -25°C to +105°C. It is also highly resistant to moisture, making it ideal for use in harsh environmental conditions.

Conclusion

The ECH-S1391JZ film capacitor is an excellent choice for high voltage applications in power electronics and other industrial electronic applications. It is highly reliable, offers high capacitance values, and is highly resistant to moisture. It also has a wide operational temperature range from -25°C to +105°C. The working principle of this capacitor is based on a combination of metallized polyester film and ceramic core, which allows for a high capacitance value as well as excellent insulation and low ESR characteristics.

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