The great future of film capacitors

With the global advocacy of low-carbon and green travel, the development of new energy electric vehicles is becoming more and more rapid, the proportion of traditional aluminum electrolytic capacitors is decreasing, and then more advanced and more environmentally friendly film capacitors are gradually on the stage of the times.

As a basic electronic component, film capacitors are widely used in lighting, household appliances, automobiles, and new energy fields such as solar and wind energy, among which lighting is the main business field of most domestic manufacturers. 2015, the market size of film capacitors for fluorescent lamp rectifier alone was as high as 3.5 billion yuan, equivalent to 22% of the total global film capacitor market. In 16 years till now, as LED technology is getting more and more mature, more and more fluorescent lamps are replaced by LED light sources, and as the amount of film capacitors in LED lamps is very little, almost all of them are used only for LEDs above 8W, the film capacitor market in lighting field starts to shrink.

According to the statistics of China Electronic Components Industry Association Information Center, the global film capacitor production is mainly concentrated in Europe and America, China, Japan, Korea, Taiwan and other regions. With the rapid development of China’s economy and worldwide procurement, the output value of China’s film capacitor market was about USD 1.3 billion in 2017, accounting for about 42% of the total output value of the global market and ranking first in the world.

According to statistics, the largest regional market for film capacitors in China in 2016 was East China, on achieving an output value of about 4.14 billion yuan, which accounted for 48.75% of the whole market. In addition, South China and Northeast China, the output value scale reached 1.44 billion yuan and 1.14 billion yuan respectively. From a comprehensive point of view, the regional distribution of film capacitor industry in China is very unbalanced, with the three regions of North China, Northwest and Southwest together accounting for only about 11%, while East China and South China together account for about 65%, with a high degree of industrial concentration.

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The development prospect of film capacitor is still huge, because it has the advantages of non-polarity, high voltage withstand, wide frequency response, good temperature characteristics, etc. It is widely used in the field of rectifier, inverter, inverter and other converter circuits, and is loved by all manufacturers.

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