B66308 Datasheet, PDF (8/10 Pages) TDK Electronics – Ferrites and accessories

Ferrites and accessories
Symbols and terms
Symbol
'L/L
L_0
L_H
L_p
L_rev
L_s
l_e
l_N
N
P_Cu
P_trans
P_V
PF
Q
R
R_Cu
R_h
'R_h
R_i
R_p
R_s
R_th
R_V
s
T
'T
T_C
t
t_v
tanG
tanG_L
tanG_r
tanG_e
tanG_h
tanG/P_i
U
Û
V_e
Z
Z_n
Meaning
Relative inductance change
Inductance of coil without core
Main inductance
Parallel inductance
Reversible inductance
Series inductance
Effective magnetic path length
Average length of turn
Number of turns
Copper (winding) losses
Transferrable power
Relative core losses
Performance factor
Quality factor (Q = ZL/R_s = 1/tanG_L)
Resistance
Copper (winding) resistance (f = 0)
Hysteresis loss resistance of a core
R_h change
Internal resistance
Parallel loss resistance of a core
Series loss resistance of a core
Thermal resistance
Effective loss resistance of a core
Total air gap
Temperature
Temperature difference
Curie temperature
Time
Pulse duty factor
Loss factor
Loss factor of coil
(Residual) loss factor at H o 0
Relative loss factor
Hysteresis loss factor
Relative loss factor of material at H o 0
RMS value of voltage
Peak value of voltage
Effective magnetic volume
Complex impedance
Normalized impedance |Z|_n = |Z| /N² u H (l_e/A_e)
Please read Cautions and warnings and
Important notes at the end of this document.
8 04/16
Unit
H
H
H
H
H
H
mm
mm

W
W
mW/g


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K/W
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mm
°C
K
°C
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V
V
mm^3
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