Ferrite magnets are low-cost, lightweight permanent magnets with moderate energy levels and relatively high coercive strength, capable of operating at temperatures up to 480°F. They offer excellent corrosion resistance, making them ideal for high-volume applications in manufacturing and consumer products. Ferrite magnets are available in two types: isotropic and anisotropic. Isotropic ferrite magnets have lower magnetic properties due to their nearly uniform magnetic behaviour in all directions, allowing them to be magnetized in multiple directions or multi-poles. Anisotropic ferrite magnets have better magnetic properties.
♦ Cost-effective solution for high-volume applications
♦ Medium strength performance
♦ High-temperature resistance
♦ Available in both isotropic and anisotropic grades
♦ Corrosion-resistant for durability
♦ Capable of withstanding high temperatures up to 300°C
♦ Cost-effective solution for low Br requirements, up to 4.2 MGOe
Classification and applications of ferrite magnets
| Material Grades | Main Applications | Characteristics | Shapes |
| ZY10T | Strip magnet for sensor, disk, apparatus, household appliance, electric motor, medical device, sensor | Isotropic, material easy to multimagnetize by different direction, magnets with high precise dimension | Strip, cylinder, ring, U-shape |
| ZY20J ZY20 |
Electric motors for water and oil pump, and other micro-brushless motor rotor | Dry anisotropic products, multi-pole radial or full-eddy magnetic ring, high surface magnetic, stable performance characteristics | Cylinder, Ring |
| ZY25 ZY30 |
All kinds of loudspeakers audio, electric-motor, medical device, sensor, receiver, pulling-system | High-density, high and stable performance | Ring, Cylinder, Block, Block and hole |
| ZY33H ZY34H ZY4036 |
Electric motors for electric tools, magnetic motor for motorcycle, electric motors for Auto. Applications such as wiper, power window, magnetic pulling devices, household appliance, medical treatment device, sensors, ABS motor, starter motors for motorcycle, plane motor | Moderate BR and Hcj, stable performance, strong capability in anti-demagnetization, extensive application | Segment, Block, Ring, Cylinder |
| ZY4129 | High-quality loudspeakers, receivers, electric-motors for meters and instrument, magnetic adhesion, medical device, magnetic motor | High Br & sensitivity, stable, excellent quality, high flux density | Ring, Cylinder, Block |
| ZY4229 | Microwave oven Magnetron, high-quality loudspeakers, receivers, electric-motors for office-equipment, apparatus and instrument, micro-motor | High Br and Hcb, high sensitivity stable, excellent quality, high flux density | Ring, Cylinder, Segment, Block |
| ZY3845 ZY3850 ZY4040 ZY4350 |
Starter motors for automobile and for motorcycle, other motor for automobile, conditioning/ refrigerator compressor motor | High Hcb and Hcj, with strong capability in anti-demagnetization and aging, wide temperature range | Segment, Block |
| ZY4240 ZY4040 ZY4545 |
Starter motors for automobile, Electric motors for auto application such as ABS, blower , wiper and electric shift motor and adjustable Pedal motor, electric motors for household appliance, compressors of air-conditioners and etc. | higher Br and high flux density, with high power, stable performance, extensive application | Segment, Ring, Block |
| ZY4433 ZY4646 |
Electric motors for oil pump and throttle of auto. as well as high -grade loudspeakers, meters, household appliance and office automation | Higher Br with high sensitivity applying for micro-sized high performance motors | Segment, Ring, Block |
| ZY4654 ZY4748 |
Starter motors for automobile, compressors of air-conditioner and refrigerator, electric motors for auto appliance such as ABS, power window, sunroofs and oil pump | Higher Br and high flux, strong capability in anti-demagnetization, low temperature coefficient | segment, Block |
Magnetic & Physical Properties
Remark: C//: parallel to akle, C⊥:perpendicular to axle; ( ): SI unit system, [ ]: CGSM unit system
| Material Grade | ZY10T | ZY30 | ZY33H | ZY34H | ZY3845 | ZY3850 | ZY4036 | ZY4040 | ZY4129 | ZY4240 | ZY4433 | ZY4350 | ZY4545 | ZY4654 | ZY4748 | |
| Composition | SrO · 6Fe2O3 BaO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | SrO · 6Fe2O3 | |
|
Br Residual Flux Density |
(mT) | 210～240 | 390～410 | 390～410 | 370～390 | 370～390 | 370～390 | 395～415 | 390～410 | 400～420 | 410～430 | 430～450 | 420～440 | 440～460 | 450～470 | 460～480 |
| [Gs] | 2100～2400 | 3900～4100 | 3900～4100 | 3700～3900 | 3700～3900 | 3700～3900 | 3950～4150 | 3900～4100 | 4000～4200 | 4100～4300 | 4300～4500 | 4200～4400 | 4400～4600 | 4500～4700 | 4600～4800 | |
|
Hcb Coercive Force |
(kA/m) | 127～159 | 175～207 | 239～271 | 263～291 | 263～299 | 279～303 | 263～291 | 271～295 | 215～239 | 283～307 | 247～271 | 291～326 | 318～350 | 330～360 | 328～352 |
| [Oe] | 1600～2000 | 2200～2600 | 3000～3400 | 3300～3650 | 3300～3750 | 3500～3800 | 3300～3650 | 3400～3700 | 2700～3000 | 3550～3850 | 3100～3400 | 3700～4100 | 4000～4400 | 4150～4450 | 4150～4400 | |
|
Hcj Intrinsic Coercive Force |
(kA/m) | 211～279 | 179～211 | 243～275 | 307～330 | 342～378 | 382～406 | 279～303 | 307～326 | 219～243 | 307～330 | 251～275 | 386～410 | 347～370 | 415～445 | 368～392 |
| [Oe] | 2650～3500 | 2250～2650 | 3050～3450 | 3850～4150 | 4300～4750 | 4800～5100 | 3500～3800 | 3850～4100 | 2750～3050 | 3850～4150 | 3150～3450 | 4850～5150 | 4350～4650 | 5250～5550 | 4650～4950 | |
| (BH)max Max. Energy Product |
(kJ/m³) | 6.4～9.5 | 27.1～31.2 | 27.1～31.2 | 24.7～28.7 | 25.5～28.7 | 25.5～28.7 | 28.7～31.8 | 29.6～32.8 | 29.6～32.8 | 31.8～35.2 | 35.2～38.4 | 33.4～36.6 | 36.6～39.8 | 39.8～43.0 | 41.5～44.7 |
| [MGOe] | 0.8～1.2 | 3.4～3.9 | 3.4～3.9 | 3.1～3.6 | 3.2～3.6 | 3.2～3.6 | 3.6～4.0 | 3.7～4.1 | 3.7～4.1 | 4.0～4.4 | 4.4～4.8 | 4.2～4.6 | 4.6～5.0 | 5.0～5.4 | 5.2～5.6 | |
|
µec Relative Permeability |
1.1～1.2 | 1.05～1.1 | 1.05～1.1 | 1.05～1.1 | 1.05～1.1 | 1.05～1.1 | 1.05～1.1 | 1.05～1.1 | 1.05～1.1 | 1.05～1.1 | 1.05～1.1 | 1.05～1.1 | 1.05～1.1 | 1.05～1.1 | 1.05～1.1 | |
| rBr/Br/rT[%/°C] | -0.18 | -0.18 | -0.18 | -0.18 | -0.18 | -0.18 | -0.18 | -0.18 | -0.18 | -0.18 | -0.18 | -0.18 | -0.18 | -0.18 | -0.18 | |
|
(K) Curie Temperature |
733 | 733 | 733 | 733 | 733 | 733 | 733 | 733 | 733 | 733 | 733 | 723 | 723 | 723 | 723 | |
| Tc (°C) | 460 | 460 | 460 | 460 | 460 | 460 | 460 | 460 | 460 | 460 | 460 | 450 | 450 | 450 | 450 | |
|
rL/L/rT Thermal Coeffient of Expansion |
C//*(1/K）[1/°C] | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 | (10~16)*10-6 |
| C⊥*(1/K）[1/°C] | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | 10.0*10-6 | |
| Density | (kg/m³) | (4.70~4.90)*103 | (4.80~5.00)*103 | (4.90~5.00)*103 | (4.80~5.00)*103 | (4.80~5.00)*103 | (4.80~5.00)*103 | (4.90~5.00)*103 | (4.90~5.00)*103 | (4.90~5.00)*103 | (4.90~5.00)*103 | (4.90~5.00)*103 | (4.90~5.10)*103 | (4.90~5.10)*103 | (4.90~5.10)*103 | (4.90~5.10)*103 |
| [g/cm³] | 4.70~4.90 | 4.80~5.00 | 4.90~5.00 | 4.80~5.00 | 4.80~5.00 | 4.80~5.00 | 4.90~5.00 | 4.90~5.00 | 4.90~5.00 | 4.90~5.00 | 4.90~5.00 | 4.90~5.10 | 4.90~5.10 | 4.90~5.10 | 4.90~5.10 | |
| Anti-Bending Strength | (N/m²) | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 | (0.5~0.9)*108 |
| [kgf/mm²] | 5~9 | 5~9 | 5~9 | 5~9 | 5~9 | 5~9 | 5~9 | 5~9 | 5~9 | 5~9 | 5~9 | 5~9 | 5~9 | 5~9 | 5~9 | |
| Anti-Compressive Strength | (N/m²) | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 | ≥6.9*108 |
| [kgf/mm²] | ≥70 | ≥70 | ≥70 | ≥70 | ≥70 | ≥70 | ≥70 | ≥70 | ≥70 | ≥70 | ≥70 | ≥70 | ≥70 | ≥70 | ≥70 | |
| Anti-Tensile Strength | (N/m²) | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 | (0.2~0.5)*108 |
| [kgf/mm²] | 2~5 | 2~5 | 2~5 | 2~5 | 2~5 | 2~5 | 2~5 | 2~5 | 2~5 | 2~5 | 2~5 | 2~5 | 2~5 | 2~5 | 2~5 | |
Subscribe to our weekly newsletter and receive exclusive offers on products you love!
X
Gold Supplier
