B66307 datasheet(7/10 Pages) EPCOS

7 / 10 page

06/13

Symbol

Meaning

Unit

AL1

Amin

B

Bˆ

BDC

CDF

fcutoff

fmax

fmin

fCu

HDC



IDC

Iˆ

k3c

Cross section of coil

Effective magnetic cross section

Inductance factor; AL = L/N2

Minimum inductance at defined high saturation (



Minimum core cross section

Winding cross section

Resistance factor; AR = RCu/N2

RMS value of magnetic flux density

Flux density deviation

Peak value of magnetic flux density

Peak value of flux density deviation

DC magnetic flux density

Remanent flux density

Saturation magnetization

Winding capacitance

Core distortion factor

Relative disaccommodation coefficient DF = d/



Disaccommodation coefficient

Activation energy

Frequency

Cut-off frequency

Upper frequency limit

Lower frequency limit

Resonance frequency

Copper filling factor

Air gap

RMS value of magnetic field strength

Peak value of magnetic field strength

DC field strength

Coercive field strength

Hysteresis coefficient of material

Relative hysteresis coefficient

RMS value of current

Direct current

Peak value of current

Polarization

Boltzmann constant

Third harmonic distortion

Circuit third harmonic distortion

Inductance

mm2

 = 10–6

Vs/m2, mT

F = As/ V

mm–4.5

s–1, Hz

A/m

10–6 cm/A

Vs/m2

J/K

H = Vs/A

Symbols and terms

Ferrites and accessories

Symbols and terms

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