EMC Filtration Companies

The EMC filtration market is projected to reach USD 1.59 billion by 2030 from USD 1.26 billion in 2025, at a CAGR of 4.7%. The growing use of hybrid and electric vehicles has boosted the application of power-dense electronic components such as high-voltage batteries, DC–DC converters, inverters, and onboard chargers. These components typically operate with high-frequency switching, which can introduce electromagnetic interference (EMI) that affects the performance of critical systems, including control electronics and infotainment modules. Filtration solutions are integrated into vehicle power electronics to meet automotive electromagnetic compatibility (EMC) standards and maintain system reliability. As vehicle electrification continues to scale globally, the requirement for EMC filters is expected to rise in alignment with evolving regulatory and operational requirements.

The major players of the EMC filtration market are Delta Electronics, Inc. (Taiwan), TE Connectivity (Ireland), TDK Corporation (Japan), Littelfuse, Inc. (US), and Rohde & Schwarz (Germany). These players have incorporated various organic and inorganic growth strategies, including collaborations, acquisitions, product launches, partnerships, agreements, and expansions, to strengthen their international footprint and capture a greater share of the EMC filtration market.

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Major EMC Filtration Companies Include:

• Delta Electronics, Inc. (Taiwan)
• TE Connectivity (Ireland)
• TDK Corporation (Japan)
• Littelfuse, Inc. (US)
• Rohde & Schwarz (Germany)
• Sinexcel (China)
• SCHURTER Group (Switzerland)
• AstrodyneTDI (US)
• MORNSUN Guangzhou Science & Technology Co., Ltd. (China)
• Soshin electric Co., Ltd. (Japan)
• Shanghai Eagtop Electronic Technology Co., Ltd. (China)
• BLOCK Transformatoren-Elektronik GmbH (Germany)
• ETS-Lindgren (US)
• MTE Corporation (US)
• REO AG (Germany)

In December 2024, TE Connectivity acquired Schaffner Holding AG, a Swiss electromagnetic solutions specialist. The acquisition is intended to expand TE Connectivity's EMC product portfolio and enhance its high-performance filter solution capability for industrial and automotive markets as part of TE's corporate strategy in electrification and high-voltage trends.

TE Connectivity

TE Connectivity specializes in designing and manufacturing various electrical and electronic components for multiple industries, including automotive, aerospace, industrial machinery, healthcare, and telecommunications. TE Connectivity operates in three business segments: Transportation, Industrial, and Communication Solutions. Its Industrial segment includes EMC/EMI solutions in the form of filters, shielding, and grounding for products that need electromagnetic standard compliance. In December 2023, TE Connectivity acquired Schaffner Holding AG to strengthen its EMC filter portfolio for electromobility and industrial applications. Schaffner's offers EMC and power quality filters that allow performance and interference reduction in industrial and electric vehicle applications.

TDK Corporation

TDK Corporation, based in Japan, is a provider of electronic solutions. The company operates through five business segments: Passive Components, Sensor Application Products, Magnetic Application Products, Energy Application Products, and Others. The Passive Components segment includes ceramic, aluminum electrolytic, film capacitors, inductive devices, high-frequency components, piezoelectric materials, circuit protection devices, and EMC filters. The sensor application products business segment comprises magnetic, MEMS, and temperature and pressure sensors. The Magnetic Application Products business segment produces hard disk drive (HDD) heads, HDD suspension systems, power supplies, and magnets. The Energy Application Products business segment is engaged in energy-generating equipment, including rechargeable batteries and applied films. The Other business segment involves manufacturing equipment for mechatronics.

Company Ranking

The EMC filtration market is consolidated, with the top 5 players: TE Connectivity (Ireland), TDK Corporation (Japan), Delta Electronics, Inc. (Taiwan), Littelfuse, Inc. (US), and Rohde & Schwarz (Germany) collectively hold around 53–62% of the global EMC filtration market share owing to their specialization in power quality and electromagnetic compatibility filters. TE Connectivity expanded its market position by acquiring Schaffner Holding AG, strengthening its power electronics and electromobility solutions product offerings. Littelfuse, Inc. enhances its position with a diverse portfolio of circuit protection and power control devices, such as EMC filters used in electric vehicles, factory automation, and medical devices. Rohde & Schwarz offers EMC filters with complementary cutting-edge test and measurement features to target aerospace, defense, and critical communications markets.

Related Reports:

EMC Filtration Market by EMC Filter (1-phase EMC Filters, 3-phase EMC Filters, DC Filters, IEC Inlets, and Chokes) and Power Quality Filter (Passive Harmonic Filters, Active Harmonic Filters, Output Filters and Reactors) - Global Forecast to 2030

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