Dielectric Properties

Dielectric Constant of the permittivity of the material to the permittivity of vacuum, and is denoted as 'Er. For FR-4 (standard PCB material) Er is about 4.5.

'Dissipation Factor 1 2 is the parasitic power loss (as heat) in the dielectric.

Article impedance formulas.


PCB Design] tech note from Lattice

Last modified 9 years ago Last modified on Nov 8, 2013, 10:17:54 AM