B66344G0000X127_13 Datasheet, PDF (5/7 Pages) EPCOS – 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
tan
tan_L
tan_r
tan_e
tan_h
tan/_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 = L/R_s = 1/tan_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  0
Relative loss factor
Hysteresis loss factor
Relative loss factor of material at H  0
RMS value of voltage
Peak value of voltage
Effective magnetic volume
Complex impedance
Normalized impedance |Z|_n = |Z| /N²   (l_e/A_e)
5 06/13
Unit
H
H
H
H
H
H
mm
mm

W
W
mW/g









K/W

mm
°C
K
°C
s







V
V
mm^3

/mm