Datasheet > B64290P0734X038

B64290P0734X038

更新时间： 2024-03-03 10:09:50

品牌	Logo	应用领域
东电化 - TDK		/
页数	文件大小	规格书
9页	343K
描述
Toroid Cores

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B64290P0734X038 数据手册

Ferrites and accessories

Symbols and terms

Symbol

Meaning

Unit

L/L

L₀

Relative inductance change

Inductance of coil without core

Main inductance

L_H

L_p

Parallel inductance

L_rev

L_s

Reversible inductance

Series inductance

l_e

Effective magnetic path length

Average length of turn

Number of turns

l_N

P_Cu

P_trans

P_V

Copper (winding) losses

Transferrable power

Relative core losses

mW/g

Performance factor

Quality factor (Q = L/R_s= 1/tan_L)

Resistance



R_Cu

R_h

Copper (winding) resistance (f = 0)

Hysteresis loss resistance of a core

R_hchange



R_h

R_i

Internal resistance

R_p

Parallel loss resistance of a core

Series loss resistance of a core

Thermal resistance



R_s

R_th

R_V

K/W



°C

Effective loss resistance of a core

Total air gap

Temperature

T

T_C

Temperature difference

Curie temperature

°C

Time

t_v

Pulse duty factor

tan

tan_L

tan_r

tan_e

tan_h

tan/_i

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

mm³

V_e

Complex impedance



/mm



Z_n

Normalized impedance |Z|_n= |Z| /N  (l_e/A_e)

Please read Cautions and warnings and

Important notes at the end of this document.

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