|
|
|
Ferrite Properties
|
Magnetic Properties
|
|
Grade
|
Br
(Gauss)
|
Hc
(Oersteds)
|
Hci
(Oersteds)
|
BHmax
(MGOe)
|
Maximum
Operating Temperature (°C)
|
Temperture
Coefficient of Br (%/°C)
|
Density
(Lb/in3)
|
|
1
|
2,200
|
1,900
|
3,250
|
1.1
|
300
|
-0.18
|
0.18
|
|
5
|
3,950
|
2,400
|
2,450
|
3.6
|
300
|
-0.20
|
0.18
|
|
8
|
3,900
|
3,200
|
3,250
|
3.5
|
300
|
-0.20
|
0.18
|
|
10
|
4,200
|
2,950
|
3,050
|
4.2
|
300
|
-0.20
|
0.18
|
|
Physical and Thermal Properties
|
|
Property |
Typical
Value |
|
Coefficient
of thermal expansion (25°C to 450°C)
|
|
|
Perpendicular
to orientation
|
10
x 10-6
cm/cm/°C
|
|
Parallel
to orientation
|
14
x 10-6
cm/cm/°C
|
|
Thermal
conductivity
|
0.007
cal/cm-sec°C
|
|
Reversible
temperature coefficient of residual induction
|
-0.2%
/°C
|
|
Reversible
temperature coefficient of intrinsic coercive
force
|
0.2
to 0.5% /°C
|
|
Curie
temperature
|
450°C
|
|
Maximum
service temperature* (without metallurgical change)
|
800°C
|
|
|
