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B65928_13 Datasheet, PDF (4/7 Pages) EPCOS – Ferrites and accessories | |||
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Ferrites and accessories
Symbols and terms
Symbols and terms
Symbol
Aï
Aeï
ALï
AL1ï
Aminï
ANï
ARï
Bï
ïBï
BË ï
ïBË ï
BDCï
BRï
BSï
C0ï
CDFï
DFï
dï
Eaï
fï
fcutoffï
fmaxï
fminï
frï
fCuï
gï
Hï
HË ï
HDCï
Hcï
hï
h/ïi 2ï
Iï
IDCï
ËIï
Jï
kï
k3ï
k3cï
L
Meaning
Cross section of coilï
Effective magnetic cross sectionï
Inductance factor; AL = L/N2ï
Minimum inductance at defined high saturation ( ïa)ï
Minimum core cross sectionï
Winding cross sectionï
Resistance factor; AR = RCu/N2ï
RMS value of magnetic flux densityï
Flux density deviationï
Peak value of magnetic flux densityï
Peak value of flux density deviationï
DC magnetic flux densityï
Remanent flux densityï
Saturation magnetizationï
Winding capacitanceï
Core distortion factorï
Relative disaccommodation coefficient DF = d/ïiï
Disaccommodation coefficientï
Activation energyï
Frequencyï
Cut-off frequencyï
Upper frequency limitï
Lower frequency limitï
Resonance frequencyï
Copper filling factorï
Air gapï
RMS value of magnetic field strengthï
Peak value of magnetic field strengthï
DC field strengthï
Coercive field strengthï
Hysteresis coefficient of materialï
Relative hysteresis coefficientï
RMS value of currentï
Direct currentï
Peak value of currentï
Polarizationï
Boltzmann constantï
Third harmonic distortionï
Circuit third harmonic distortionï
Inductance
4 06/13
Unit
mm2ï
mm2ï
nHï
nHï
mm2ï
mm2ï
ïï = 10â6ï ïï
Vs/m2, mTï
Vs/m2, mTï
Vs/m2, mTï
Vs/m2, mTï
Vs/m2, mTï
Vs/m2, mTï
Vs/m2, mTï
F = As/ Vï
mmâ4.5ï
ï
ï
Jï
sâ1, Hzï
sâ1, Hzï
sâ1, Hzï
sâ1, Hzï
sâ1, Hzï
ï
mmï
A/mï
A/mï
A/mï
A/mï
10â6 cm/Aï
10â6 cm/Aï
Aï
Aï
Aï
Vs/m2ï
J/Kï
ï
ï
H = Vs/A
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