Scope of Business

Sumida group manufactures electronic components and modules that are based on coils i.e. inductive technology. These components and modules are used in a range of markets (automotive, consumer electronics, renewable energy, medical technology, etc.).

Signal products, power solution products, and power inductors, etc.

Signal products

RF transformers/coils for high-frequency circuits in all electronic devices

Power solution products

Transformers for DC/DC converter and switching power supply, and common mode choke coils

Power inductors

First commercialized by Sumida

Automotive-related coils and modules

ABS coils, injector coils and antennas for keyless entry systems, Xenon igniters,
rotation position sensors, etc.

EMS

Control units for power steering apparatus, GPS antennas, anti-theft control units,
diesel engine control units and power supply, etc.

Flexible and flat connectors for use in automotive applications

Flexible and flat connectors for use in automotive applications, etc.