The Global FeSi Powder Core Market was valued at USD 167.80 Million in 2023 and is projected to reach USD 732.99 Million by 2032, growing at a Compound Annual Growth Rate (CAGR) of 17.80% during the forecast period (2025–2032). This remarkable expansion is being driven by the surging demand for high-efficiency magnetic components in power electronics, the rapid global transition toward renewable energy systems, and the accelerating adoption of FeSi powder cores across PFC circuits, new energy inverters, and UPS applications worldwide.

As the power electronics industry transforms toward energy-efficient operations and sustainable technological growth, the spotlight is on the key manufacturers who are driving innovation, precision engineering, and cleaner energy pathways. In this blog, we profile the Top 10 Companies in the FeSi Powder Core Industry—a mix of established magnetic material specialists, advanced alloy producers, and technology pioneers shaping the future of global soft magnetic components.

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🕀 1. Changsung Corp

Headquarters: South Korea
Key Offering: FeSi Powder Cores, Sendust Cores, High Flux Cores

Changsung Corp is one of the most recognized names in the global soft magnetic powder core industry. The company has built a strong reputation for delivering high-performance FeSi powder cores that exhibit outstanding DC bias characteristics and minimal core loss—qualities that are especially critical in demanding power conversion environments. Changsung’s products are widely deployed in PFC circuits, industrial inverters, and UPS systems across North America, Europe, and Asia-Pacific.

Key Strengths:

• Extensive product portfolio spanning multiple core geometries and permeability ratings

• Strong global distribution network serving diverse end-user industries

• Continuous R&D investment in next-generation soft magnetic alloy formulations

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️″ 2. Magnetics (a division of Spang & Company)

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: Kool Mû® Cores, High Flux Cores, FeSi-based Powder Cores

Magnetics is a globally respected manufacturer of precision soft magnetic cores and has been at the forefront of powder core technology for decades. The company’s FeSi-based product lines are known for their superior temperature stability and reliable performance under high-frequency switching conditions. Magnetics serves a broad clientele that includes power supply designers, automotive electronics manufacturers, and industrial automation engineers.

Key Strengths:

• Decades of application engineering expertise in soft magnetic components

• Proprietary core material formulations with enhanced saturation flux density

• Technical support resources and design tools available to engineers globally

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8️″ 3. POCO Holding

Headquarters: China
Key Offering: FeSi Powder Cores, MPP Cores, High Flux Powder Cores

POCO Holding has emerged as a significant force in the FeSi powder core sector, particularly within the Asia-Pacific manufacturing landscape. The company produces a comprehensive range of powder cores optimized for new energy applications, including solar inverters and EV charging infrastructure. POCO’s manufacturing capabilities allow it to meet large-volume procurement requirements while maintaining stringent product quality standards.

Key Strengths:

• High-volume production capacity aligned with the growing renewable energy sector

• Competitive pricing strategy supported by vertically integrated supply chains

• Active expansion into international markets beyond China

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7️″ 4. Zhejiang NBTM Keda Magnetoelectricity

Headquarters: Zhejiang, China
Key Offering: FeSi Alloy Powder Cores, Amorphous Magnetic Cores, Custom Magnetic Solutions

Zhejiang NBTM Keda Magnetoelectricity is a well-established Chinese manufacturer with deep expertise in the development of soft magnetic powder core materials. The company’s FeSi powder cores are widely adopted in power factor correction circuits and switching power supply designs. NBTM Keda benefits from strong domestic demand while steadily expanding its footprint in global export markets, particularly in Southeast Asia and Europe.

Key Strengths:

• Established technical collaborations with electronics OEMs in China and abroad

• Broad product range covering annulus, E-shape, and tank-type core configurations

• Strong emphasis on product customization for niche application requirements

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FeSi Powder Core Market – View in Detailed Research Report

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6️″ 5. Hengdian Group DMEGC Magnetics

Headquarters: Dongyang, Zhejiang, China
Key Offering: Soft Magnetic Powder Cores, FeSi Cores, Ferrite Cores

Hengdian Group DMEGC Magnetics is one of China’s largest and most diversified magnetic materials manufacturers, with annual revenues spanning multiple magnetic product categories. The company’s FeSi powder core division serves a wide array of industries, including photovoltaic inverters, industrial drives, and uninterruptible power supply systems. DMEGC’s scale of operations and integrated manufacturing capabilities give it a distinct competitive advantage in pricing and product availability.

Key Strengths:

• One of the largest magnetic material manufacturers globally by production volume

• Robust quality management systems aligned with international standards

• Active participant in China’s new energy infrastructure buildout

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5️″ 6. Tdg Holding

Headquarters: China
Key Offering: FeSi Powder Cores, Sendust Cores, Composite Magnetic Materials

Tdg Holding has carved out a solid position in the FeSi powder core market through focused product development and reliable delivery performance. The company caters primarily to power electronics manufacturers seeking consistent magnetic performance at competitive price points. Tdg Holding’s product development roadmap reflects a clear understanding of where the market is heading—toward higher switching frequencies and greater thermal demands in compact electronic systems.

Key Strengths:

• Specialization in cost-effective FeSi core solutions for mass-market electronics

• Flexibility in production to accommodate varying customer specifications

• Growing export capabilities to serve markets in Europe and North America

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4️″ 7. Huizhou Ankeyuan Magnetic Device

Headquarters: Huizhou, Guangdong, China
Key Offering: FeSi Powder Cores, Toroidal Cores, Magnetic Assemblies

Huizhou Ankeyuan Magnetic Device focuses on delivering reliable magnetic core solutions to the fast-growing consumer electronics and industrial power segments. The company’s FeSi powder cores are recognized for their consistent performance characteristics and compatibility with widely used power converter topologies. Ankeyuan’s proximity to Guangdong’s electronics manufacturing hub gives it logistical advantages in serving China’s dense supply chain ecosystem.

Key Strengths:

• Strong relationships with electronics manufacturers in the Pearl River Delta region

• Agile production capabilities supporting rapid prototyping and custom orders

• Competitive lead times for both standard and custom core geometries

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3️″ 8. Mirrack (Guangdong) Micro Metal Magnet Tech

Headquarters: Guangdong, China
Key Offering: Micro Powder Cores, FeSi Alloy Cores, High-Frequency Magnetic Components

Mirrack specializes in micro-scale magnetic components, making it particularly relevant to the miniaturization trend sweeping the power electronics industry. The company’s FeSi powder cores are engineered for high-frequency operation, a characteristic that is increasingly important as switching power supplies push toward compact, high-density designs. Mirrack serves a technically sophisticated customer base in telecommunications, consumer electronics, and embedded power systems.

Key Strengths:

• Expertise in miniaturized magnetic core manufacturing for compact power designs

• Strong technical competencies in high-frequency magnetic material optimization

• Growing portfolio of application-specific magnetic solutions

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FeSi Powder Core Market – View in Detailed Research Report

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2️″ 9. ShenZhen GMcore Technology

Headquarters: Shenzhen, Guangdong, China
Key Offering: FeSi Powder Cores, Iron Powder Cores, Custom Magnetic Core Assemblies

ShenZhen GMcore Technology has positioned itself as a technically capable and commercially competitive supplier of powder magnetic cores, with particular strength in FeSi-based product lines. Operating out of Shenzhen—one of the world’s most vibrant technology and electronics manufacturing centers—GMcore benefits from access to cutting-edge production infrastructure and a skilled engineering talent pool. The company serves clients in the power supply, new energy, and industrial automation sectors.

Key Strengths:

• Located in Shenzhen’s technology corridor with strong manufacturing infrastructure access

• Breadth of product offering from standard FeSi cores to engineered magnetic assemblies

• Active investment in product testing and quality assurance systems

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1️″ 10. Guangzhou Golden South Magnetic Material

Headquarters: Guangzhou, China
Key Offering: FeSi Powder Cores, Soft Magnetic Alloy Materials, Toroidal and Block Cores

Guangzhou Golden South Magnetic Material rounds out the top 10 with a focused product offering centered on soft magnetic powder cores for industrial and commercial power electronics. The company has built meaningful customer relationships across China’s expansive electronics manufacturing base and is increasingly visible in export markets. Golden South’s commitment to product quality and responsive customer service makes it a dependable supply partner for companies scaling their production of energy-efficient power conversion equipment.

Key Strengths:

• Competitive FeSi core offerings across multiple geometry types and permeability grades

• Reliable supply chain management practices for consistent product availability

• Expanding international customer base in Southeast Asia and beyond

Get Full Report Here:
FeSi Powder Core Market – View in Detailed Research Report

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🌍 Outlook: The Future of FeSi Powder Cores Is Smarter and More Efficient

The FeSi powder core market is undergoing a dynamic and accelerating shift. While traditional iron powder cores have historically dominated certain segments, the industry is investing significantly in advanced alloy formulations, precision manufacturing processes, and application-optimized magnetic core solutions. The combination of FeSi’s inherent material advantages—over 50% lower core loss than standard iron powder, exceptional DC bias performance, and thermal aging resistance—positions it well for the demanding requirements of next-generation power electronics.

📈 Key Trends Shaping the Market:

• Rapid growth in new energy inverter applications, including solar and wind power systems, driving large-scale FeSi core adoption

• Increasing miniaturization of power electronics creating demand for higher-performance core materials in smaller form factors

• Expansion of EV charging infrastructure globally providing a significant new demand channel for high-efficiency magnetic cores

• Technology partnerships between core manufacturers and power supply designers to co-develop application-specific magnetic solutions

Get Full Report Here:
FeSi Powder Core Market – View in Detailed Research Report

The companies listed above are not only supplying the global power electronics industry—they’re spearheading the magnetic innovation transition that is enabling a cleaner, more efficient energy future.