ECW-H8393HL

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Film capacitors, also known as plastic capacitors, are widely used in industrial and electronic equipment due to their good insulation, wide temperature range and excellent high frequency performance. ECW-H8393HL, a kind of film capacitor, is widely used in digital communication, power supply, and sound equipment. It has been certified with UL, VDE, and ROHS. This article will discuss its application field and working principle.

Application field

ECW-H8393HL film capacitor is widely used in audio amplifier, electronic transformer, UPS, voltage regulator, digital communication, and power supply. It can also be used for sealing and damping in arc lamps, microwave ovens, and camera electron guns.

The main advantages of ECW-H8393HL are its low ESR and high resistance to surge voltage, providing protection for electronic equipment. In addition, its low self-heating and excellent capacitance stability performance make it suitable for applications where low dielectric loss and constant capacitance outside the temperature range are required.

Working Principle

ECW-H8393HL film capacitor adopts PET or PEN material as its dielectric material, and it is two metal layers of bare foil electrodes. Its working mechanism is based on the basic principles of electricity and capacitance. The main function of capacitors is to block DC signals, allowing AC signals to pass through. The passing of the AC signal generates a field effect, which is stored and released in the form of Coulomb charge between the two electrodes.

The dielectric material between the two electrodes determines the capacitor’s capacitance, as it determines the size of the field effect. Dielectrics with higher dielectric constants will cause stronger fields while dielectrics with lower dielectric constants will cause weaker fields. The material used in ECW-H8393HL capacitors is PET or PEN, which has a very high dielectric constant.

ECW-H8393HL also features a low ESR and a high resistance to surge voltages, which makes it suitable for applications in digital communication, power supply, and audio equipment. The low ESR helps reduce power consumption and the surge voltage resistance reduces the risk of equipment damage in the case of a power surge.

Conclusion

ECW-H8393HL is a kind of film capacitor, which is used in digital communication, power supply, and audio equipment due to its low ESR, high surge voltage resistance, low self-heating, and excellent capacitance stability. Its working principle relies on a very high dielectric constant PET or PEN material, which creates and stores a field effect that is released in the form of Coulomb charge between the two electrodes.

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