Material 78 - 98
Propery
Unit
Symbol
78
98
95
Initial Perme-ability@ B <10 gauss
µ
2300
2400
3000
Flux Dencity
@Field Strengh
gauss
mT
oersted
A/m
B
H
4800
480
5
400
5000
500
Residual Flux Density
Br
1500
150
1800
180
800
80
Coercive Force
Oersted
Hc
0.2
16
0.17
14
0.13
10
Loss Factor
@ Frequency
10-6
MHz
tan δ/µ
4.5
0.1
3.5
3
Temperature Coefficient of
Initial Permeability (20-70ºC)
%/ºC
T.C.
1.0
1.5
0.4
Curie Temperature
ºC
˃200
˃215
˃220
Resistivity
Ohm-cm
p
200
Application Area Low
Flux densi-
Recommended ty Frequency
Range MHz
˂0.2
