HAIPART: China's Leading Magnetic Core Manufacturer
Premium Ferrite Rings for Superior EMI Suppression in Circuit Protection Systems
Advanced Magnetic Core Technology
HAIPART magnetic cores (ferrite rings/EMI suppression cores) are precision-engineered components made from specialty magnetic materials. Designed for circuit breakers and electrical systems, they effectively suppress electromagnetic interference (EMI) by absorbing and dissipating high-frequency signals between 10-100MHz.
Material Innovation: Performance Breakthrough
Nano-Crystalline Formula: MnZn ferrite base with nano-cobalt additives.
Initial Permeability: μi ≥ 5000 @1kHz (40% higher than conventional cores).
Frequency Range: Effective EMI suppression up to 30MHz.
️ Temperature Resilience
Operating Range: -55°C to +150°C.
Curie Temperature: Tc ≥ 180°C.
Certified: Ideal for automotive charging piles & high-temp industrial applications.
Optimized Structural Design
Multi-Stage Magnetic Circuit: Asymmetric ring with V-gap design.
CMRR: >30dB @10MHz (verified).
Space Efficiency: 35% space savings vs traditional shielding.
HAIPART's Core Product Series
For Miniature Circuit Breakers (MCB)
FT-12A Magnetic Core
| Impedance @100MHz | 1200Ω |
| Rated Current | 50A |
| Dimensions | 12mm OD |
| Applications | Residential MCBs, Control Panels |
For Molded Case Circuit Breakers (MCCB)
FT-50G Magnetic Core
| Impedance @100MHz | 5000Ω |
| Rated Current | 200A |
| Dimensions | 50mm OD |
| Applications | Industrial MCCBs, Power Distribution |
Custom Magnetic Core Solutions
Need specialized impedance, dimensions, or temperature ratings? HAIPART engineers develop bespoke magnetic cores for:
Automotive EV charging systems
Industrial motor protectors
Smart grid protection devices
Military-grade electrical systems
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Why Global OEMs Choose HAIPART?
✅ 10,000 m² Production Facility
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Technical FAQs
How does your nano-cobalt formula improve EMI suppression?
Our proprietary additive enhances domain wall mobility, increasing permeability by 40% at high frequencies. This extends effective EMI suppression to 30MHz - critical for modern digital circuit protection.
Can your cores withstand automotive under-hood environments?
Yes. Our gradient sintering process ensures stable performance from -55°C to 150°C, with validation reports available for AEC-Q200 compliance.
