ECW-H20472HV

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Film capacitors are commonly used in a variety of applications due to their high-Q, low ESR, low DC leakage, high insulation resistance, and excellent stability. The ECW-H20472HV is a film capacitor specifically designed for high voltage applications, exhibiting low loss at high frequency and ripple current.

The ECW-H20472HV is a polypropylene-based film capacitor with electrical properties optimized for high voltage electrostatic sensor applications. This capacitor has a voltage rating of 500V and a capacitance of 4.7μF. The ECW-H20472HV has a very low ESR and is capable of withstanding ripple currents up to 1.7A. It also has a very high insulation resistance of greater than 10GΩ.

The ECW-H20472HV is well suited for applications such as power supplies, high voltage amplifiers, and motor drives. It is also used in many other applications requiring a stable high voltage over a wide frequency range. Due to its low ESR, the ECW-H20472HV is also suitable for intensive use in switching converters. This capacitor can also be used in very demanding applications such as nuclear power plants, spacecraft, military radar systems, medical equipment, and automotive electronic systems.

The working principle of a film capacitor is based on an electrostatic field built up between two metal plates separated by a dielectric material. The electric field accumulates electric charge on the metal plates when voltage is applied across the capacitor. When the voltage is removed, the electric field is reduced, and the charge stored on the metal plates will cause the capacitor to remain in its charged state for some time after the voltage has been removed.

In the case of the ECW-H20472HV, the capacitor comprises a high quality arch-shaped polypropylene film which is sandwiched between two metal electrodes. The electrodes are connected via a four-terminal connection method to ensure low leakage current and stable capacitance. The metal electrodes are sealed with epoxy resin to ensure high reliability and a long service life.

The ECW-H20472HV has excellent performance in terms of self-healing characteristic, high frequency ripple current, low ESR, and long-term stability. The capacitor has a very thin reverse discharge path ensuring fast recovery time. It also has a wide temperature range making it suitable for a range of applications. The capacitor has low impedance making it suitable for high frequency power supplies, power converters, and power controllers.

The ECW-H20472HV is therefore an ideal choice for a wide range of high voltage applications, due to its excellent electrical performance and wide temperature range. Its low ESR and high insulation resistance ensure a stable operation over the long term. This capacitor is also capable of withstanding high ripple currents, making it suitable for use in intensive applications such as power supplies and motor drives.

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