The time rate at which electric energy is transformed into heat in a dielectric when it is subjected to a changing electric field.
The power loss in a dielectric due to heating as a wave passes through it. It can be expressed as "dielectric loss tangent" (power factor) or "loss factor". Low loss makes a good dielectric (ECCOSTOCK dielectric materials). High loss is an absorber (ECCOSORB), poor dielectric.
The power dissipated ina dielectric as the result of the friction produced by molecular motion when an alternating electric field is applied.
In a coaxial cable, the losses caused by transformation of electromagnetic energy into heat within the dielectric material.
Property of a material representing the ability to dissipate electromagnetic energy as heat.
The time rate at which electric energy is converted into heat energy in a dielectric that is subjected to a varying electric field.
The energy absorbed by the dielectric media is measured by tan d. Attenuation is proportional to tan d and signal frequency. For standard FR4 multilayer printed circuit boards materials, tan d is 0.02 which translates into serious losses at at frequencies above 1 Ghz. For circuits operating at 1 Ghz or higher, a material such as PTFE with a tan d of 0.001 is preferred.
This is the proportion of energy that is dissipated within a dielectric material and lost as heat in an electrostatic field.
