B66305 Datasheet, PDF (10/11 Pages) EPCOS – E/ELP Cores

Ferrites and accessories
Symbols and terms
Symbol

_F
_e
_r


_B
_i
_s

₀
_a
_app
_e
_i
_p'
_p"
_r
_rev
_s'
_s"
_tot

l/A
_Cu

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
A^–1H^–1/2
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  (for parallel components)
Relative imaginary (loss) component of  (for parallel components)
Relative permeability
Relative reversible permeability
Relative real (inductive) component of  (for series components)
Relative imaginary (loss) component of  (for series components)
Relative total permeability
derived from the static magnetization curve
Resistivity
m^–1
Magnetic form factor
mm^–1
DC time constant _Cu = L/R_Cu = A_L/A_R
s
Angular frequency; = 2 f
s^–1
All dimensions are given in mm.
Surface-mount device
10 06/13