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Brief Introduction on Ceramic Capacitors

A Ceramic Capacitor is a type of fixed-value capacitor in which the ceramic material serves as the dielectric. Comprising numerous alternating layers of ceramic and a metal layer functioning as an electrode, this capacitor’s electrical behavior and applications are determined by the composition of the ceramic material it incorporates. In simpler terms, a Ceramic Capacitor can be defined as a fixed-value capacitor with ceramic material acting as the dielectric.

 

Exploring Ceramic Material

 Ceramic material, in this context, refers to an inorganic, non-metallic substance often characterized by its crystalline oxide, nitride, or carbide composition. Examples of ceramic materials include carbon and silicon.

 

Characteristics of Ceramic Capacitors

 

Ceramic capacitors possess distinct characteristics, including:

 

Accurate Tolerances and Precision:

Ceramic capacitors are renowned for their high stability and low-loss properties. These components deliver precise results, maintaining stable capacitance values in response to varying factors such as applied voltage, frequency, and temperature.

 

Advantages of Small Size:

Particularly advantageous in scenarios requiring high component packing densities, ceramic capacitors, like the “0402″ multi-layered variant, offer significant space savings. For instance, a “0402″ capacitor measures approximately 0.4 mm x 0.2 mm.

 

High Power and High Voltage:

Engineered to withstand higher voltages, power ceramic capacitors are larger in size compared to other counterparts. They are equipped with specialized terminals for secure connections to high-voltage supplies, tolerating voltages ranging from 2kV to 100kV.

 y2 safety capacitor 332M

Applications and Uses

Ceramic capacitors find application in various fields, including:

 

Transmitter Stations:

Used for signal transmission purposes.

 

Induction Furnaces:

Employed in the operation of induction furnaces.

 

High Voltage Laser Power Supplies:

Utilized in systems powering high-voltage lasers.

 

Power Circuit Breakers:

Incorporated into power circuit breaker systems.

 

High-Density Applications:

Ideal for scenarios demanding high component density.

 

Printed Circuit Boards:

Widely used in electronic circuits on printed circuit boards.

 

Moreover, these capacitors serve as general-purpose components and are employed near the brushes of DC motors to minimize radio frequency (RF) noise.

 

This article is provided by JYH HSU (JEC) Electronics. JEC is a research, development, production, and sales-oriented company specializing in manufacturing and selling various electronic components such as capacitors and resistors.


Post time: Dec-29-2023