FreeLists / si-list / [SI-LIST] Re: Loss tangent and Dielectric conductance

["Ozgur Misman" <omism@xxxxxxxxx>]

Actually formula do exist,
I must have missed the capacitance in tmy previous E-mail
let me rewrite it as
Gd=2*pi*f *tand*C (capacitance)
C=Er*Co
Co= Eo A/d

Mick is right in saying that the dielectric loss is a property of the
material and conductance depends on the circuit as well. That link is in
the capacitance term.
The formula is derived assuming a resistance in parallel with
capaciatance.and conductance is defined as 1/resistance.
Hope this clarifies

Ozgur Misman
---------------------- Forwarded by Ozgur Misman/CHAZ/AAWW on 11/01/2001
09:34 AM ---------------------------


11/01/2001 08:51 AM
Ozgur Misman - Chandler - 5080
Sr Engineer
01 We've Just Begun



To:   plaflamm@xxxxxxxx
cc:   si-list@xxxxxxxxxxxxx


Subject:  Re: [SI-LIST] Loss tangent and Dielectric conductance  (Document
      link: Ozgur Misman)

Hi Peter,
I think the for mula is :   Gd (conductance)=2*pi*frequency*tand(loss
tangent)* Eo (permittivity of the free space;8.854e-12f/m)* dielectric
constant;Er
Ozgur Misman
Amkor Technology



Peter LaFlamme <plaflamm@xxxxxxxx>@freelists.org on 11/01/2001 06:45:13 AM

Please respond to plaflamm@xxxxxxxx

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Subject:  [SI-LIST] Loss tangent and Dielectric conductance



Hi SI Folks,
I would like to know the relationship between Loss Tangent and Dielectric
loss. In other words, If I know the "loss tangent" at a given frequency for
a particular dielectric what is the formula to convert this into the
Dielectric conductance(Gd) ?

Thanks,
Peter

--
Peter LaFlamme

Applied Micro Circuits Corp.
Staff System Applications Engineer
200 Minuteman Rd, 3rd Floor
Andover, MA 01810

978-247-8470 phone
978-623-0055 Fax
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