Top Medium Frequency Magnetics Companies

The global medium-frequency magnetics market, comprising medium-frequency transformers, inductors, reactors, and related magnetics, is poised for strong growth in response to rapidly evolving demands for power conversion, electrification, and renewable integration. The broader magnetics market (covering inductors, transformers, reactors, and other components) is projected to grow from about USD 1.99 billion in 2025 to approximately USD 2.70 billion by 2030, registering a CAGR of around 6.3 %.

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The growth trajectory is reinforced by the increasing deployment of EVs and charging infrastructure, grid modernization, higher frequency switching power supplies and inverters, all of which require magnetics capable of operating at elevated frequencies to meet efficiency, size, and performance targets. Key industry players in this segment include specialist magnetics manufacturers such as CorePower Magnetics (USA), AQ Group AB (Sweden), Jackson Transformer Company (US), CEFEM Power (France), and others who are actively engaging in product innovation, strategic acquisitions, and capacity expansion to capture this opportunity. For instance, CorePower Magnetics is advancing its manufacturing of high-power, medium-frequency magnetics targeting EV, grid, and industrial conversion applications. Overall, this segment of the magnetics industry is emerging as a strategic component of the electrification-era supply chain, with demand driven by factors such as renewable intermittency, industrial automation, and the transition toward higher-frequency power conversion architectures.

On December 20, 2024, AQ Group announced an agreement to acquire mdexx inductive electronics GmbH, mdexx Magnetronic Devices GmbH, and mdexx Magnetronic Devices s.r.o. Mdexx is a leading manufacturer of inductive components such as reactors, transformers, and filters in the low to medium power and frequency range, serving industrial customers in electrical automation, medical technology, and railway sectors. The company has manufacturing operations in the Czech Republic and sales and design teams in Germany, the Czech Republic, and France.

Vishay Intertechnology (US)

Vishay Intertechnology is recognized as one of the largest manufacturers of discrete semiconductors and passive electronic components globally, with a strong market share in North America for custom magnetics and transformers. The company emphasizes a wide product line; solutions are designed for high reliability and custom requirements, meeting stringent standards for mission-critical energy, industrial automation, and alternative energy systems. Vishay’s medium-frequency transformers are positioned for applications in power conversion, renewable energy (solar, wind, battery storage), smart grid, industrial automation, aviation, medical equipment, and EV infrastructure. Operations are supported by production sites in the US, Germany, and China, and sales presence in major world regions, ensuring efficient supply chain, logistics, and technical support for North American customers.

Standex Electronics, Inc. (US)

Standex Electronics, Inc. is a global leader in the design, engineering, and manufacture of custom and standard electromagnetic components, including medium frequency magnetics, transformers, inductors, sensors, and relays. The company operates eleven manufacturing facilities across seven countries (the US, Germany, China, Mexico, the UK, Japan, and India), with its headquarters in Fairfield, Ohio, US. Its focus markets include industrial automation, medical technology, automotive, transportation, aerospace, HVAC, and renewable energy. The company’s magnetics portfolio covers planar, Rogowski, current sense, and conventional transformers and inductors, optimized for power systems that demand compact size, high reliability, and efficiency under challenging conditions. The company also delivers MIL-SPEC grade power magnetics for critical defense and aerospace platforms, and supports major programs in EV charging, battery management, grid infrastructure, and advanced data centers.

Market Ranking

The medium frequency magnetics market is competitive, with leading players such as BLOCK Transformatoren-Elektronik GmbH (Germany), Standex Electronics (US), RoMan Manufacturing, Inc. (US), CorePower Magnetics (US), and AQ Group AB (Sweden) (which recently acquired mdexx) driving innovation and market growth. BLOCK focuses on providing high-efficiency transformers, reactors, and power supplies for industrial and renewable applications, leveraging its strong European manufacturing base and global reach. Standex Electronics offers a diverse range of custom magnetics and inductors for automotive, medical, and industrial applications, emphasizing precision engineering and reliability. RoMan Manufacturing specializes in medium-frequency transformers and power supplies for resistance welding, industrial heating, and power conversion, catering to heavy industrial users worldwide. CorePower Magnetics develops advanced soft magnetic materials and designs high-performance transformers and inductors optimized for compactness and efficiency in electrification and energy storage systems. AQ Group, following its acquisition of mdexx in 2024, has strengthened its position in the low-to-medium frequency magnetics segment, expanding its portfolio of reactors, transformers, and filters for automation, medical, and railway sectors.

Related Reports:

Medium Frequency Magnetics Market by Type, Converter Type, Power Output, Voltage, Application (Power Conversion Systems, Renewable & Energy Systems, Electronics & Industrial Equipment, Specialized Systems), and Region - Global Forecast to 2030

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