30-20*5mm Ferrite ring magnet
Product Description
1.Ferrite ring magnet
2.Material:Ferrite Permanent Magnet
3.Certificate:ISO9001,CE,ROHS,SGS
4.Attractive in price and quality
2.Material:Ferrite Permanent Magnet
3.Certificate:ISO9001,CE,ROHS,SGS
4.Attractive in price and quality
| Items | ring magnet | ||||||
| Material | Ferrite magnet is made of Sro or Bao and Fe2o3 by Ceramic processing technology | ||||||
| Shape available | Disc,cylinder,rectangle,square,ring ect | ||||||
| Specification | Grade | Br | Hcb | (BH)max | |||
| T | Gs | KA/m | Oe | Kj/m3 | MGOe | ||
| Y25 | 0.35-0.39 | 3500-3900 | 128-192 | 1600-2400 | 22.3-25.5 | 2.8-3.2 | |
| Y30 | 0.38-0.42 | 3800-4200 | 160-216 | 2000-2700 | 26.3-29.5 | 3.3-3.7 | |
| Y35 | 0.4-0.44 | 4000-4400 | 176-224 | 2200-2800 | 30.3-33.4 | 3.8-4.2 | |
| Y25BH | 0.36-0.39 | 3600-3900 | 176-216 | 2200-2700 | 23.9-27.1 | 3.0-3.4 | |
| Y30BH | 0.38-0.4 | 3800-4000 | 224-240 | 2800-3000 | 27.1-30.3 | 3.4-3.8 | |
| Characteristics | Lost Cost,Higher Coercive Force;It needn`t to be coated because it is difficult to be eroded and oxidized | ||||||
| Application | Motors,Sperkers,Toys,Crafts | ||||||
Technical Data Sheet
30-20*5mm ring magnet
| Grade | Br(mT) | Hcb(KA/m) | Hcj(KA/m) | BHmax(Kj/m3) |
| Y10T | 200-235 | 125-160 | 210-280 | 6.5-9.5 |
| Y25 | 360-400 | 135-170 | 140-200 | 22.5-28.0 |
| Y30 | 395-415 | 275-300 | 310-335 | 27.0-32.5 |
| Y33 | 410-430 | 220-250 | 225-255 | 31.5-35.0 |
| Y33BH | 410-430 | 250-270 | 250-275 | 31.5-35.0 |
| Y35 | 430-450 | 215-239 | 217-241 | 33.1-38.2 |