|
Info for Ferrit Magnets
|
|
BM1
|
BM3
|
BM5
|
BM7
|
BM8
|
|
|
Remance
|
Br
|
210-220
|
350-370
|
390-400
|
1080-1150
|
1180-1220
|
mTesla
|
|
Coercivity
|
HcB
|
130-135
|
155-175
|
145-160
|
810-850
|
795-875
|
kA/m
|
|
Pol. Coercivity
|
HcJ
|
210-220
|
160-180
|
150-165
|
1300-1590
|
750-1000
|
kA/m
|
|
Max. BH product
|
(BH)max
|
7.2-7.6
|
24-25.5
|
28-29.5
|
220-245
|
260-285
|
kj/m3
|
|
Curie point
|
-
|
450
|
450
|
450
|
450
|
450
|
°C
|
|
Max. operating temp.
|
-
|
250
|
250
|
250
|
250
|
250
|
°C
|
|
Temp. coeff. of Br
(-40 - +20°C)
|
-
|
-0.2
|
-0.2
|
-0.2
|
-0.2
|
-0.2
|
%/C
|
|
Temp. coeff of HcJ
(-40 - +200°C)
|
-
|
0.4
|
0.4
|
0.4
|
0.4
|
0.4
|
%/C
|
|
Density
|
-
|
4.9
|
4.8
|
4.9
|
4.65
|
4.8
|
g/cm3
|
|
Barium/Strontium
|
|
B
|
B
|
B
|
S
|
S
|
|
|
Isotropic/Anisotropic
|
|
I
|
A
|
A
|
A
|
A
|
|
