Ferrite Disc Magnets, also known as ceramic disc magnets, are versatile magnetic materials that combine durability, affordability, and reliable performance. With their simple yet highly functional disc shape, ferrite disc magnets are ideal for a wide range of applications in industries such as electronics, automotive, and industrial manufacturing. Made from a combination of iron oxide and ceramic materials, ferrite disc magnets are naturally resistant to corrosion and demagnetization, ensuring long-term stability even in challenging environments.
At ZOYN, we offer high-quality ferrite disc magnets that can be customized to meet specific size, strength, and design requirements. Whether for use in motors, sensors, or household appliances, our ferrite disc magnets deliver consistent performance and exceptional value, making them the perfect choice for a variety of applications.
1. Cost-Effective
Ferrite disc magnets are one of the most economical magnetic materials, making them ideal for high-volume production and budget-conscious projects.
2. Corrosion Resistance
Ferrite disc magnets are inherently resistant to rust and chemical damage, making them suitable for outdoor and humid environments without requiring protective coatings.
3. Thermal Stability
These magnets can withstand high operating temperatures, typically up to 250°C, ensuring reliable performance in demanding applications.
4. Durability
Ferrite magnets are resistant to wear and demagnetization, making them long-lasting and dependable in applications with mechanical stress or high-temperature conditions.
5. Customizable Design
The disc shape can be tailored to different diameters and thicknesses, allowing for precise integration into specific devices and assemblies.
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 |
Process Flow