Ferrite Magnets
Ferrite Magnets
Cost-Effective & Durable Magnetic Solutions
As a highly cost-effective magnetic material, TOPMAG’s ferrite magnets boast excellent chemical stability, strong corrosion resistance, and reliable temperature tolerance—performing steadily even in mild high-temperature and humid conditions. Eliminating the need for extra coating protection, these magnets cut down on production costs significantly and are widely applied in industrial equipment, automotive components, and consumer electronics, delivering consistent, dependable magnetic performance perfectly suited for mass-produced products.
Product Categories
Explore our range of ferrite magnets in standard shapes, custom configurations, and specialized magnetic materials.
Disc magnets
Ring magnets
Block magnets
Arc Magnets
Injection Molded Magnets
Soft Ferrite Magnets
Custom Shape
Grades & Specifications
TOPMAG’s ferrite magnet grade system is formulated in strict accordance with international industry standards, covering hard ferrite (permanent) and soft ferrite series to meet the diverse magnetic performance requirements of different application scenarios. The parameters in the table represent the minimum guaranteed values of batch products, with stable consistency and traceability.
Grades & Specifications of Ferrite Magnets
| Grade | Max Energy Product (BH)max | Remanence (Br) Min | Coercivity (HcJ) Min | Max Operating Temp | Typical Application |
|---|---|---|---|---|---|
| Y30 | 2.0-2.4 MGOe (8-10 kJ/m³) | 380-400 mT (3800-4000 Gauss) | 180-200 kA/m (2260-2510 Oe) | 200°C (392°F) | Consumer Electronics |
| Y35 | 2.8-3.2 MGOe (11.5-13 kJ/m³) | 400-420 mT (4000-4200 Gauss) | 200-220 kA/m (2510-2760 Oe) | 200°C (392°F) | Industrial Motors |
| Y40 | 3.5-3.9 MGOe (14.5-16 kJ/m³) | 420-440 mT (4200-4400 Gauss) | 220-240 kA/m (2760-3010 Oe) | 200°C (392°F) | Automotive Components |
| Y45 | 4.0-4.4 MGOe (16.5-18 kJ/m³) | 440-460 mT (4400-4600 Gauss) | 240-260 kA/m (3010-3260 Oe) | 200°C (392°F) | High-End Industrial |
| Y30H | 2.0-2.4 MGOe (8-10 kJ/m³) | 370-390 mT (3700-3900 Gauss) | 240-260 kA/m (3010-3260 Oe) | 250°C (482°F) | High-Temp Environments |
| Y35H | 2.8-3.2 MGOe (11.5-13 kJ/m³) | 390-410 mT (3900-4100 Gauss) | 260-280 kA/m (3260-3510 Oe) | 250°C (482°F) | High-Temp Motors |
| MnZn (Soft) | 100-10000 μH/m (Permeability) | 50-200 mT (500-2000 Gauss) | ≤5 kA/m (≤63 Oe) | 120°C (248°F) | Transformers & Inductors |
| NiZn (Soft) | 10-1000 μH/m (Permeability) | 30-150 mT (300-1500 Gauss) | ≤8 kA/m (≤100 Oe) | 150°C (302°F) | Antennas & Filters |
Core Features
Ferrite magnets are valued for their stable performance and cost-effectiveness, making them indispensable across diverse industrial applications. Their core characteristics are defined by several key performance indicators:
Cost-Effective Advantage
Made from abundant raw materials (iron oxide, strontium/barium carbonate), ferrite magnets have a significant cost advantage compared to rare earth magnets, making them ideal for large-scale mass production
Excellent Stability
Good corrosion resistance and temperature resistance (working temperature range: -40℃ ~ 200℃), no oxidation or demagnetization easily, and no need for nickel plating, zinc plating, or other coating protection, reducing subsequent processing costs
Environmental Friendliness
Does not contain rare earth precious metals, low production energy consumption, and easy to recycle, complying with global environmental protection standards and green production trends
Stable Magnetic Performance
Although the magnetic energy product is lower than NdFeB magnets, it has high coercivity and remanence, which can maintain stable magnetic performance in long-term use and complex working environments
Widely Applications
Due to their high cost-effectiveness and stable performance, ferrite magnets are widely used in global industrial fields. Typical application areas include:
• Automotive Industry——Used in automotive motors (wiper motors, fan motors), door locks, window regulators, and sensor components, relying on stable performance and cost advantages to meet automotive mass production needs
• Home Appliances——Core components of refrigerators (door seals), air conditioners (fan motors), washing machines (drive motors), and microwave ovens, providing reliable magnetic force with long service life sensors
• Industrial Equipment——Magnetic separators, vibrating feeders, industrial fans, pumps, and generators, adapting to harsh industrial environments with corrosion resistance and temperature resistance
• Consumer Electronics——Speakers, headphones, toys, magnetic fasteners, and wireless charging accessories, balancing cost and performance for civilian products
• New Energy Field——Wind turbine auxiliary motors, solar energy equipment connectors, and energy storage inductors, complying with green energy development trends
Technical Specifications
Customizable according to customer needs, typical parameters are as follows
Material Grade
Hard Ferrite (Y30, Y35, Y40, Y45); Soft Ferrite (MnZn, NiZn)
Magnetic Energy Product (BH)max
2.0 ~ 4.8 MGOe (Hard Ferrite); Soft Ferrite: 100 ~ 3000 μH/m (permeability range)
Coercivity (Hcb)
150 ~ 350 kA/m (Hard Ferrite); Soft Ferrite: ≤ 10 A/m
Remanence (Br)
280 ~ 420 mT (Hard Ferrite); Soft Ferrite: 100 ~ 500 mT
Working Temperature
-40℃ ~ 200℃ (Hard Ferrite); -20℃ ~ 150℃ (Soft Ferrite)
Tolerance
Dimensional tolerance ±0.01mm, magnetic performance tolerance ±5%
Surface Treatment
No coating (standard); Optional zinc plating, nickel plating (special requirements)
Quality Assurance
Guided by the Chinese headquarters, TOPMAG strictly controls the quality of ferrite magnets throughout the production process. From raw material screening (high-purity iron oxide, strontium carbonate) to molding, sintering, and final testing, we adhere to the ISO 9001 quality management system standards. Each batch of products undergoes rigorous testing, including magnetic performance, dimensional accuracy, corrosion resistance, and temperature resistance, and is accompanied by a detailed inspection report issued by the Chinese quality control center. We provide customized R&D and production services according to customer needs, ensuring that each ferrite magnet meets the application requirements of different industries.
Sample Center
We provide free ferrite magnet samples (only freight is charged) to help you verify product performance before mass purchase. Sample application process:
Looking for a reliable ferrite magnet supplier? Contact TOPMAG now! We provide customized solutions based on your specific application requirements, including shape, grade, surface treatment and performance customization. Professional technical team, 24-hour online consultation, global logistics support.
