 |
|
|
|
|
Product Details:
Payment & Shipping Terms:
|
| Material: | Fe2O3 + BaO Or SrO | Shape: | Ring Shape |
|---|---|---|---|
| Grade: | C8 | Size: | OD 2.835 " X 1.26 " Id X 0.25 " Thick |
| Tolerance: | +/-0.005 Inch | Application: | Loud Speaker |
Grade C8 Ceramic Ring Magnets , OD 2.835 " x 1.26 " id x 0.25 " thick
Description:
Ceramic (ferrite) magnets are composed of SrO or BaO and Fe2O3 . They are charcoal gray in color and usually appear in the forms of discs , rings , blocks , cylinders , and sometimes arcs or segments for motors .
| Item number | YSFM-Ring-05 |
| Material | SrO or BaO and Fe2O3 |
| Shape available | Round, Ring, Block |
| Working temperature | -40 °C and +200 °C |
| Density | 4.7-5.0g/cm3 |
| Application |
Loud speakers
|
Attributes of Ceramic Magnets
Least expensive material compared to alnico and rare earth magnets
High intrinsic coercive force
Available in simple shapes only due to manufacturing process
Lower service temperature than alnico, greater than rare earth
Lower energy product than alnico and rare earth magnets
Most common grades of Y25,Y30,Y30H-1,Y30H-2,Y32,Y33 ceramic are 1, 5 and 8 (1-8 possible)
Magnetizing direction :
Magnetic Characteristic
| Material | Br | Hcb | Hcj | (BH)max | ||||
| mT | KG | KA/m | KOe | KA/m | KOe | KJ/m3 | MGOe | |
| C1 | 230 | 2.3 | 148 | 1.86 | 258 | 3.5 | 8.36 | 1.05 |
| C5 | 380 | 3.8 | 191 | 2.4 | 199 | 2.5 | 27 | 3.4 |
| C7 | 340 | 3.4 | 258 | 3.23 | 318 | 4.00 | 21.9 | 2.75 |
| C8(C8A) | 385 | 3.85 | 235 | 2.95 | 242 | 3.05 | 27.8 | 3.5 |
| C9 | 380 | 3.8 | 280 | 3.516 | 320 | 4.01 | 26.4 | 3.32 |
| C10 | 400 | 4.0 | 288 | 3.617 | 280 | 3.51 | 30.4 | 3.82 |
| C11 | 430 | 4.3 | 200 | 2.512 | 204 | 2.56 | 34.4 | 4.32 |
