cheap arc ferrite magnets for speaker
Product Description
1.Material: ferrite powder, etc
2.Grade: Y25, Y30, Y30BH, Y35
3.Size: L44 * W22 * T11mm, L47 * W22 * T9 , L50 * W19 * T4 , L65 * W15 * T4 , L83 * W55 * T22 ,etc.
4.Shape: Arc, Block, Bar, Ring, Cube, Disc, or others.
5.Application: Widely used in ammeter, speaker, audio, phone, TV, dynamo, DC permanent magnet motors (used in cars), etc
2.Grade: Y25, Y30, Y30BH, Y35
3.Size: L44 * W22 * T11mm, L47 * W22 * T9 , L50 * W19 * T4 , L65 * W15 * T4 , L83 * W55 * T22 ,etc.
4.Shape: Arc, Block, Bar, Ring, Cube, Disc, or others.
5.Application: Widely used in ammeter, speaker, audio, phone, TV, dynamo, DC permanent magnet motors (used in cars), etc
Technical Data Sheet
arc ferrite magnets for speaker
| 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 |