■If you purchase ACME products, which way of paymen will you choose?
Payment Online
Payment via Bank
Payment via Post
Other
 
Home > Products Showroom > Material Characteristics > Symbols and Definitions
 
μi A.C. Initial Permeability
μi is defined as the limited value of a ferrite
core at the origin of the curve of initial magnetization:
 
μa Amplitude Permeability
similar with μi,but magnetized by a large
amplitude sine field.
 
tanδ/μi Relative Loss Factor
loss at low induction level.
 
Pv Power Loss
loss at high flux density level.
 
Bms Effective Saturation Magnetic Flux Density (mT)
 
Brms Residual Magnetic Flux Density (mT)
 
Hc Coercive Force (Oersteds) (A/m)
 
αF Temperature Factor of Permeability
 
ηB Hysteresis Material Constant
 
DF Disaccommodation Factor
TC Curie Temperature
temperature at which a ferrite
loses its ferromagnetism
 
ρ
 
d Apparent density,
The Apparent density is defined as a weight per
unit volume.
AL(nH) Inductance Factor
Inductance of a coil on a specified core divided
by the square of the number of turns. (Unless
otherwise specified the inductance test conditions
for the inductance factor are at flux density?10 gauss).

The summation of the magnetic path lengths of
each section of a magnetic circuit divided by the
corresponding magnetic area of the same section.

The summation of the magnetic path lengths of
each section of a magnetic circuit divided by the
square of the corresponding magnetic area of the same section.
   
   
   
   
   
 
     
    Downlowd Symbols and Definitions pdf document
     
 
 
© 2002 Acme Electronics Corporation All rights reserved   版權與使用宣告