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What are the defects of capacitive touch screen at present?

What are the defects of capacitive touch screen at present?

We know that the capacitance value, although inversely proportional to the distance between the electrodes, is proportional to the relative area, and is also related to the insulation coefficient of the medium.

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2021

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09

Characteristics and applications of eight types of thin film capacitors

Characteristics and applications of eight types of thin film capacitors

Now the mass production of plastic film capacitors are polystyrene, polyethylene, polypropylene, PTFE, polyester (polyester), polycarbonate, composite film and so on.

15

2021

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09

Strictly control the operating voltage to prevent capacitor failure

Strictly control the operating voltage to prevent capacitor failure

The operating voltage of shunt capacitors must be strictly controlled within the allowable range. That is, the long-term operating voltage of the shunt capacitor shall not be greater than 10% of its rated voltage. If the operating voltage is too high, the service life of the capacitor will be greatly shortened. With the increase of the operating voltage, the dielectric loss of the shunt capacitor will increase, the temperature of the capacitor will rise, the aging speed of the capacitor insulation will be accelerated, resulting in premature aging of the capacitor insulation, breakdown and damage. In addition, under the action of excessively high operating voltage, the insulating medium inside the capacitor will undergo local aging. The higher the voltage, the faster the aging and the shorter the service life.

15

2021

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09

What are the advantages of thin film capacitors?

What are the advantages of thin film capacitors?

In general, the life of capacitor is shortened with the increase of temperature. Take film capacitor as an example, when a film capacitor with the limit operating temperature of 85℃ works at 30℃, the film capacitor supplier can guarantee 10000 hours of normal working time in general, but when working at the limit temperature of 85℃, the capacitor supplier can guarantee 10000 hours of normal working time. Only 2,000 hours of normal working time are guaranteed.

15

2021

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09

Beautiful Hangzhou, China: Booth No. (B53/54) Guocan Electronics welcomes you!

Beautiful Hangzhou, China: Booth No. (B53/54) Guocan Electronics welcomes you!

China Beautiful Hangzhou: Booth No. (B53/54) Guocan Electronics welcomes you! Hangzhou Exhibition time, April 17-19, to participate in 2019, the 38th China Electrical Instrument industry Development technology seminar and exhibition held in Hangzhou. Booth No. B53-54

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2021

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09

Brief Introduction of Four Major Uses of Thin Film Capacitors

Brief Introduction of Four Major Uses of Thin Film Capacitors

Guocan Electronics for you to finish the introduction of four film capacitors, hope to help you solve the trouble. When it comes to thin-film capacitors, there is no shortage of them. Small electronic components, protection circuit guard life, all kinds of circuits will be applied to.

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2021

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