Sumida is a globally recognised manufacturer of inductive components and magnetic solutions, serving a wide range of markets including automotive, industrial, medical, consumer electronics and power systems. With origins dating back to 1956, the company has built a strong reputation for engineering expertise across coils, power inductors, RF inductors, transformers, EMC components, sensors, actuators and customised magnetic assemblies.

The company operates an extensive global footprint of R&D centres and manufacturing sites, allowing it to support customers with both high-volume standard components and fully tailored designs for specialised applications. This combination of scale and flexibility has made Sumida a trusted technology partner to OEMs and Tier-1 suppliers developing systems for electric vehicles, industrial automation, renewable energy, wireless power, power conversion, medical devices and next-generation consumer products.

Sumida’s magnetics portfolio is known for reliability, consistency and performance under demanding conditions. Its automotive-grade solutions, for example, play a critical role in powertrain systems, on-board chargers, inverters and advanced driver-assistance technologies. In industrial markets, Sumida components support efficient power control, precise sensing, communication equipment, and robust EMC performance in environments where stability is essential.

What sets Sumida apart is the company’s long-standing investment in materials science, magnetic design and production capability. Its engineering teams work closely with customers to optimise inductive components for power density, thermal behaviour, size constraints and environmental durability. This has enabled Sumida to stay competitive in sectors with rapidly evolving requirements, maintaining a focus on quality and innovation while scaling to meet global demand.

With decades of manufacturing experience and a broad catalogue of magnetic technologies, Sumida continues to influence how modern electronic systems are powered, controlled and miniaturised.