Voice |
Name |
Symbol |
SI |
CGS |
Shape |
Diameter |
D |
4 mm |
0.4 cm |
Height |
H |
2 mm |
0.2 cm |
direction of magnetization |
M |
A |
Weight |
Net |
0.000213 kg |
0.213 g |
Surface treatment |
|
μm |
|
Magnetic Characteristics |
Surface magnetic flux density |
B |
292.8 mT |
2928 Gauss |
Suction force
Adhesion |
F |
0.269 kgf |
269 gf |
Magnetic flux density on load point |
Bd |
605.5 mT |
6055 Gauss |
Total flux |
φo |
0.0000076 Wb |
760 Mx |
Permeance Coefficient |
Pc |
1.41 Pc |
|
Maximum usage temperature |
Tw |
330 ℃ |
Minimum usage temperature |
Tw |
℃ |
Material properties |
Materialsymbols |
Samarium Cobalt |
YXG28 |
|
remanence |
Br |
1030-1080 mT |
10.3-10.8 kG |
Coercivity |
Hcb |
756-796 kA/m |
kOe |
Intrinsic coercive force |
Hcj |
≧1433 kA/m |
kOe |
Maximum energy product |
BH |
207-220 kj/m3 |
MGOe |
Temperature coefficient |
Br |
-0.035 %/℃ |
|
Hcj |
-0.2 %/℃ |
Heat resistant temperature |
Tw |
300 ℃ |
Curie temperature |
Tc |
800 ℃ |
Density |
ρ |
8.5 kg/m3 |
Remarks |
REACH RoHS Directive |
*Magnetic flux density and attraction/heat force depends on the measurement equipment and the environment. These are only references values, these are not the guaranteed value.