Ceramic capacitors are non polarized and may be used in ac or dc circuits.
Ceramic disk capacitor manufacturers.
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Typical capacitor values range form 1pf to 0 22uf for ceramic disks and up to 10uf for multi layer ceramic chips.
A ceramic disc capacitor is a fixed value disc capacitor in which ceramic material acts as the dielectric.
It is constructed of two or more alternating layers of ceramic and a metal layer acting as the electrodes.
The early style of the ceramic disc capacitor could be more cheaply produced than the common ceramic tube capacitors in the 1950s and 1970s.
An american company in the midst of the apollo program launched in 1961 pioneered the stacking of multiple discs to create a monolithic block.