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f-alpha.net » Electronics » Electronics Lab » Electronic Components » Ceramic Capacitors

The Ceramic Capacitor

An ceramic capacitor is composed of metal electrodes, with a ceramic layer as an insulating layer and dielectric. They are widespread components as the they are inexpensive to produce and small in size.

The ceramic capacitor has, due to its design, some special properties...

  • A ceramic capacitor has a relatively low capacity.
  • Capacities are typically between 1 pF and 1 μF.
  • Ceramic capacitors have no polarity.
  • Ceramic capacitors can be used in DC and AC circuits.

Capacity

The amount of energy a capacitor can hold is called capacity. The unit of capacity is Farad (symbol F). In circuit diagrams and formulas a capacitor is represented by a C.

In practice, capacitors have much lower capacity than 1 farad ...

1 millifarad     = 1 mF    = 0,001 F

1 mikrofarad   = 1 μF    = 0,000 001 F

1 nanofarad    = 1 nF    = 0,000 000 001 F

1 pikofarad     = 1 pF    = 0,000 000 000 001 F

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