Variable Capacitors Market Trend Analysis and Forecast to 2016 by Capacity, Production, and Production Value

A variable capacitor is a capacitor whose capacitance may be intentionally and repeatedly changed mechanically or electronically. Variable capacitors are often used in L/C circuits to set the resonance frequency, e.g. to tune a radio (it is sometimes called as tuning capacitor or tuning condenser), or as a variable reactance, e.g. for impedance matching in antenna tuners.

Variable capacitors are designed according to the same principles used for standard capacitor production with sets of conductive plates arranged in a parallel sequence and separated with dielectric layers composed of materials such as mica, reinforced paper, or certain types of ceramics. Unlike standard fixed capacitors, variable capacitors are configured to allow changing capacitance levels. In most cases, variable capacitance is accomplished by altering the distance between the parallel plates in a capacitor or by shifting the cross-sectional area at which the plates face one another.

Due to their normally high allowance for holding charge, these types of capacitors can be found in filter circuits and power supply applications and are also commonly used in radio frequency networks. In RF applications they are sometimes known as tuning capacitors because of their ability to control signals in radio receivers.

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The vacuum not only increases the working voltage and current handling capacity of the capacitor it also greatly reduces the chance of arcing across the plates. The most common usage for vacuum variables are in high powered transmitters such as those used for military, broadcasting and amateur radio as well as high powered RF tuning networks.

Vacuum variables can also be more convenient since the elements are under a vacuum the working voltage can be higher than an air variable the same size, allowing the size of the vacuum capacitor to be reduced. Very cheap variable capacitors are constructed from layered aluminium and plastic foils that are variably pressed together using a screw. These are also known as squeezers can’t provide a stable and reproducible capacitance.

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A variant of this structure that allows for linear movement of one set of plates to change the plate overlap area is also used and might be called a slider. This has practical advantages for makeshift or home construction and may be found in resonant loop antennas or crystal radios. Small variable capacitors operated by screwdriver (for instance, to precisely set a resonant frequency at the factory and then never be adjusted again) are called trimmer capacitors. In addition to air and plastic, trimmers can also be made using a ceramic dielectric.

The global variable capacitors market is segmented on the basis of product types, application and geography. On the basis of product types, the global variable capacitors market is segmented into filter, tuning and so on. On the basis of application, the global variable capacitors market is segmented into high frequency circuit, low frequency circuit and so on.

On the basis of geography, the global variable capacitors market is segmented into North America, Europe, Asia Pacific, Latin America and Middle East & Africa. The key players of global variable capacitors market are YAGEO, TDK, AVX, PANASONIC, KEMET, MURATA, WALSIN, VISHAY, WIMA, ATCeramics, EPCOS, ROHM.

Table Of Content

1 Variable Capacitors Overview
1.1 Product Overview and Scope of Variable Capacitors
1.2 Variable Capacitors Segment by Types
1.3 Variable Capacitors Segment by Application
1.4 Variable Capacitors Market by Region
1.5 Global Market Size (Value and Volume) of Variable Capacitors (2011-2021)

2 Global Variable Capacitors Market Competition by Manufacturers
2.1 Global Variable Capacitors Production and Share by Manufacturers (2015 and 2016)
2.2 Global Variable Capacitors Revenue and Share by Manufacturers (2015 and 2016)
2.3 Global Variable Capacitors Average Price by Manufacturers (2015 and 2016)
2.4 Manufacturers Variable Capacitors Manufacturing Base Distribution and Product Type
2.5 Competitive Situation and Trends

3 Global Variable Capacitors Analysis by Region
3.1 Global Variable Capacitors Production, Revenue and Market Share by Region (2011-2021)
3.2 Global Variable Capacitors Consumption by Region (2011-2021)
3.3 North America
3.4 Europe
3.5 China
3.6 Japan
3.7 Taiwan
3.8 Korea

4 Global Variable Capacitors Analysis by Type
4.1 Global Variable Capacitors Production, Revenue, Market Share and Growth Rate by Type (2011-2021)
4.2 Filter Production, Revenue, Price and Growth (2011-2021)
4.3 Tuning Production, Revenue, Price and Growth (2011-2021)
4.4 Others Production, Revenue, Price and Growth (2011-2021)

5 Global Variable Capacitors Market Analysis by Application
5.1 Global Variable Capacitors Consumption and Market Share by Application (2011-2021)
5.2 Major Regions Variable Capacitors Consumption by Application in 2015 and 2016
5.3 Global Variable Capacitors Consumption Growth Rate by Application (2011-2021)
5.4 Market Drivers and Opportunities

6 Global Variable Capacitors Manufacturers Analysis
6.1 YAGEO
6.2 TDK
6.3 AVX
6.4 PANASONIC
6.5 KEMET
6.6 MURATA
6.7 WALSIN

7 Variable Capacitors Technology and Development Trend
7.1 Variable Capacitors Technology Analysis
7.2 Variable Capacitors Technology Development Trend

8 Research Findings and Conclusion

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