SmCo magnet is a high performance low temperature coefficient permanent magnet made of samarium and cobalt and other rare earth elements. This type of magnet possesses strong magnetic and coercive force, high resistance to corrosion and high working temperature 350 degree centigrade. SmCo magnet is widely used in Headphone, Speakers, Watch, Transducers, Motors, generators and radar etc...
Specifications:
- Parameter: Value
- Curie Temperature: 700 ~ 800°C
- Operation Temperature: 250°C
- Recoil Permeability: 1.10µ rec
- Hardness: 450 ~ 600HV
- Density: 8.0 ~ 8.5 g/cm³
- Saturation Field Strength: >37.5 KOe
- Temperature Coefficient of Br: -0.05 ~ -0.03% (°C)
- Temperature Coefficient of iHc: -0.25 ~ -0.19% (°C)
Features:
- Excellent anticorrosion properties.
- Outstanding thermal stability.
- Extremely hard & Brittle and high demagnetization resistance.
- Limited raw material supply result high in cost.
Others:
| Properties | Residual Flux Density (Br) | Coercive Force (bHc) | Coercive Force (iHc) | Max Energy Product (BH max) | Max Operating Temp | ||||
| Code | KGs | mT | KOe | KA/m | KOe | KA/m | MGOe | KJ/m³ | °C |
| SO-18 | 8.5 ~ 9.0 | 850 ~ 900 | 7.8 ~ 8.2 | 620 ~ 648 | 15 ~ 19 | 1,194 ~ 1,513 | 16 ~ 18 | 127 ~ 143 | 250 |
| SO-20 | 9.2 ~ 9.6 | 920 ~ 960 | 8.2 ~ 9.0 | 653 ~ 717 | 15 ~ 19 | 1,194 ~ 1,513 | 19 ~ 21 | 150 ~ 167 | 250 |
| SO-24 | 9.6 ~ 10.2 | 960 ~ 1,020 | 9.2 ~ 9.7 | 730 ~ 770 | 15 ~ 19 | 1,194 ~ 1,513 | 22 ~ 24 | 175 ~ 190 | 250 |
| SOG-24 | 9.5 ~ 10.2 | 950 ~ 1,020 | 8.0 ~ 9.2 | 637 ~ 732 | 18 ~ 25 | 1,433 ~ 1,990 | 22 ~ 24 | 175 ~ 190 | 350 |
| SOG-26 | 10.2 ~ 10.5 | 1,020 ~ 1,050 | 9.4 ~ 10.0 | 748 ~ 796 | 18 ~ 25 | 1,433 ~ 1,990 | 24 ~ 26 | 195 ~ 215 | 350 |
| SOG-28 | 10.5 ~ 10.8 | 1,050 ~ 1,080 | 9.5 ~ 10.0 | 756 ~ 796 | 18 ~ 25 | 1,433 ~ 1,831 | 26 ~ 28 | 205 ~ 220 | 350 |
| SOG-28B | 10.2 ~ 11.0 | 1,020 ~ 1,100 | 5.2 ~ 5.6 | 380 ~ 420 | 5.5 ~ 6.5 | 440 ~ 520 | 26 ~ 28 | 205 ~ 220 | 350 |
| SOG-30 | 10.8 ~ 11.0 | 1,080 ~ 1,100 | 9.8 ~ 10.5 | 730 ~ 780 | 9.8 ~ 10.5 | 955 ~ 1,195 | 28 ~ 30 | 220 ~ 240 | 350 |
| SOG-30B | 10.8 ~ 11.5 | 1,080 ~ 1,150 | 5.2 ~ 5.6 | 380 ~ 420 | 5.2 ~ 5.6 | 440 ~ 520 | 28 ~ 30 | 220 ~ 240 | 350 |
Ordering information:
- Minimum Order: Case by Case set
