ECCOSORB-MF Datasheet, PDF (1/5 Pages) Laird Tech Smart Technology – Commercial Telecom

Eccosorb®MF
Lossy, Magnetically Loaded, Machinable Stock
LOSSY, MAGNETICALLY LOADED, MACHINABLE STOCK
Eccosorb MF is a series of rigid magnetically loaded epoxy stock, which can be machined for
use as absorbers, attenuators and terminations in waveguides, coaxial or stripline
applications. With products such as these, it is necessary to be conversant with the dielectric
and magnetic properties of the materials, which are listed in this technical bulletin, the
values given are normalized with respect to free space, see Typical Electrical Properties
table.
FEATURES AND BENEFITS
MARKETS
• Rigid
• Machinable
• Commercial Telecom
• Security and Defense
SPECIFICATIONS
TYPICAL PROPERTIES
Frequency Range
Service Temperature °C (°F)
Density g/cc
Hardness, Shore D
Tensile Strength (MPa)
Thermal Expansion per °C
Water Absorption, % 24 hours
Thermal Conductivity W/mK
ECCOSORB MF
>1 GHz
<180 (<356)
1.6 – 4.9
85
55
~30 x 10^-6
<0.3
1.44
Data for design engineer guidance only. Observed performance varies in application.
Engineers are reminded to test the material in application.
APPLICATIONS
• Eccosorb MF is widely used as absorbers, attenuators, and terminations in waveguides
and coaxial lines.
• It has also been successfully used as a high-Q inductor-core material in such devices as
slug tuners. It is also useful in many other magnetic components.
• Simple RF filters can be formed by passing filament leads through small blocks of Eccosorb
MF, or by casting appropriate sections of the material around such leads by using one of
the electrically equivalent castable absorbers.
• There are also applications in antenna elements and in certain free-space absorbers.
For assistance in termination design, see Termination Design Considerations.
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