/
Impedance Dissipati on Factor and ESR Dissipation factor Equivalent Se Impedance Dissipati on Factor and ESR Dissipation factor Equivalent Se

Impedance Dissipati on Factor and ESR Dissipation factor Equivalent Se - PDF document

tawny-fly
tawny-fly . @tawny-fly
Follow
480 views
Uploaded On 2014-12-27

Impedance Dissipati on Factor and ESR Dissipation factor Equivalent Se - PPT Presentation

brPage 1br Impedance Dissipati on Factor and ESR Dissipation factor Equivalent Series Resistance Impedance brPage 2br ID: 30250

brPage 1br Impedance Dissipati

Share:

Link:

Embed:

Download Presentation from below link

Download Pdf The PPT/PDF document "Impedance Dissipati on Factor and ESR Di..." is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.


Presentation Transcript

DF=ESR/Xc or tan Equivalent Series Resistance Impedance 2 + (Xl-Xc) 2 The equivalent circuit is shown below. Below is a graphical illustration of how the above parameters change with frequency. 3757 W. Touhy Ave., Lincolnwood, Il 60712 (847)675-1760 Fax (847) 675-2850 www.illcap.com An important observation is the Fr parameter. Fr is the self-resonant frequency. Defined as the frequency where Xl and Xc are equal. _____ Fr=1/[2** (L*C)] At this frequency the impedance is equal to the ESR. Below self-resonance the Xc component is dominant and the capacitor behaves like a capacitor. Above the self-resonant frequency the inductive component is dominant and the capacitor behaves more like an inductor. Aluminum electrolytic and film capacitors have the impedance specified as a maximum at a specific frequency normally at 100 kHz and 20°C for aluminum electrolytic and 70°C for film capacitors.