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B65803_13 Datasheet, PDF (13/14 Pages) EPCOS – Ferrites and accessories | |||
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Ferrites and accessories
Symbols and terms
Symbol
ï¡
ï¡F
ï¡e
ï¥r
ï
ï¨
ï¨B
ï¨i
ï¬s
ï
ï0
ïa
ïapp
ïe
ïi
ïp'
ïp"
ïr
ïrev
ïs'
ïs"
ïtot
ï²
ïl/A
ï´Cu
ï·
Meaning
Unit
Temperature coefficient (TK)
1/K
Relative temperature coefficient of material
1/K
Temperature coefficient of effective permeability
1/K
Relative permittivity
Magnetic flux
Vs
Efficiency of a transformer
Hysteresis material constant
mT-1
Hysteresis core constant
Aâ1Hâ1/2
Magnetostriction at saturation magnetization
Relative complex permeability
Magnetic field constant
Vs/Am
Relative amplitude permeability
Relative apparent permeability
Relative effective permeability
Relative initial permeability
Relative real (inductive) component of ï (for parallel components)
Relative imaginary (loss) component of ï (for parallel components)
Relative permeability
Relative reversible permeability
Relative real (inductive) component of ï (for series components)
Relative imaginary (loss) component of ï (for series components)
Relative total permeability
derived from the static magnetization curve
Resistivity
ïmâ1
Magnetic form factor
mmâ1
DC time constant ï´Cu = L/RCu = AL/AR
s
Angular frequency; ï·ï = 2 ïf
sâ1
All dimensions are given in mm.
Surface-mount device
13 06/13
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