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IEVref:212-11-29ID:
Language:enStatus: Standard
Term: dielectric dissipation factor
Synonym1: tan <i>δ</i>
[Preferred]
Synonym2: loss tangent
[Preferred]
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Definition: absolute value of the ratio of the imaginary to the real part of the complex relative permittivity,

tan δ = εr” / εr'

NOTE 1 –The dielectric dissipation factor is equal to the tangent of the dielectric loss angle.

NOTE 2 – In English the abbreviation DDF is sometimes used to characterize the dielectric loss in insulating materials


Publication date:2010-06
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