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HIGH  FREQUENCY  CONDUCTORS

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CONDUCTORS AT HIGH FREQUENCIES

 

As frequencies increase, conductor begins to move from an equal distribution through the conductor cross section to only the surface.
Conductor Resistivity
(
Wm108)
Permeability
(relative)
(0.002 Wb/m2)
Skin Depth
Aluminum 2.83 1 0.085
Brass (65.8 Cu, 34.2 Zn) 6.29 1 0.126
Graphite 1000 1 1.59
Chromium 2.6 1 0.081
Copper 1.72 1 0.066
Gold 2.22 1 0.075
Lead 22 1 0.236
Magnesium 4.6 1 0.108
Nickel 7.8 100 0.014
Phosphor Bronze 7.75 1 0.14
Platinum 9.83 1 0.158
Silver 1.63 1 0.64
Tin 11.5 1 0.171
Tungsten 5.51 1 0.118
Zinc 5.38 1 0.117
Magnetic Iron 10 200 0.011
Permalloy (78.5Ni, 21.5Fe) 16 8000 0.0022
Mumetal (75Ni, 2Cr, 5Cu, 18Fe) 62 20000 0.0029