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1.Ceramic
Capacitors
The
ceramic is a dielectric whose main material is Titanium Xxide Titanate
or Strontium. It becomes ceramic capacitor after a process called silver
coating and is widely applied in various kind of electronic equipment.
2.Classification
Basically,
ceramic capacitor can be classified into 3 classes, according to distinct
application features.
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Class
I : Temperature Compensation Type Capacitor (T.C.)
Temperature
compensation capacitors mainly consist of Titanium. They have the
characteristics of low constant, low losses (high quality factor)
,high stability and linear temperature relationship . All these
features suited its capability for temperature compensating mainly
use in resonant circuits or in other circuits for which high Q and
high temperature-base stability of circuit constant are required.
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Class
II:High-Dielectric Constant Type Capacitor (Hi-K)
High-dielectric
are mainly consist of Barium Titanate. It is known as Hi-k because of its
high power factor. These capacitors which have the characteristics of high
capacitance value, small internal impedance and excellent power factors
are widely used in electronic circuits such as coupling, decoupling and
by pass purposes. |
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Class
III:Semi-Conductive Type Capacitor (S.C.)
These
disc type semiconductive capacitors are reformed smaller size with larger
capacitance than usual Hi-K type ceramic capacitors.These capacitors are
widely used in electronics circuits such as constant detemination, coupling
and by-pass purposes. |
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