Sumida Inductors, Chokes & Coils

Passive Components > Sumida Inductors

Since 1956, Sumida Corporation has been a leading manufacturer of coils and wire-wound electronic products, including power inductors and RF inductors. With production facilities across Asia and Mexico, Sumida has optimized costs, diversified risks, and improved response times. The company’s components are used in a variety of applications, such as audio/visual equipment, CD-ROM drives, DVD players, modems, networking hardware, LCD monitors, computer peripherals, air-conditioners, and automotive electronics like anti-lock braking systems.

The Sumida Group is a global provider of high-quality inductive components and modules for the Consumer Electronics, Automotive, and Industrial markets. The company’s core product range includes power inductors, transformers, automotive keyless antennas, xenon ignitor modules, mobile communication equipment, RFID tags, power inverters for solar energy systems, and components for industrial lighting. Sumida also offers complementary products and services, such as magnetic materials, ceramics, flexible connectors, and electronic manufacturing services (EMS).

Recognized for reliability and quality, Sumida’s inductors deliver efficiency and performance across various applications. These components are essential for circuits requiring precise current control and signal processing, such as high-performance motorcycles like the 2019 Honda CBR300 and KTM Duke 390, where they ensure reliable ignition. In household applications, Sumida inductors can be found in devices that require precise control, such as furniture dampers, where they help reduce noise and regulate movement.

In recent developments, Sumida has expanded its series of surface-mounted power inductors by leveraging its expertise in wire winding and magnetic design to support advancements in electronics and automotive applications. The product lineup includes resin-filled inductors for enhanced magnetic shielding and mechanical strength, suitable for DC/DC conversion in notebooks, smartphones, and displays, with sizes ranging from 3.2 x 3.2 x 1.5 mm to 6.2 x 6.2 x 2.8 mm.

Sumida’s high-temperature power inductors, featuring Ni-Zn ferrite core technology, cater to automotive applications with sizes ranging from 5.3 x 5.6 x 3.0 mm to 13.1 x 12.8 x 8.0 mm, and inductances from 0.8 to 1000 µH. These inductors are ideal for high-reliability systems, such as driver assistance, LED headlight circuits, navigation, infotainment, and hybrid engine controls.

The latest Sumida power inductors include a magnetically shielded ferrite core construction, offering inductance values from 0.8 to 22 µH and saturation currents up to 32 amps. The robust design can withstand voltages up to 120 Vdc, making them suitable for demanding applications. With features like low-profile resin shielding, an operating temperature range of -40°C to +105°C, and tape-and-reel packaging, these inductors support various devices, including DC/DC converters in notebooks, smartphones, and LCD displays.

Sumida Inductors
A power inductor, also called a coil or reactor, is a two-terminal passive electronic component that stores energy in the form of a magnetic field. Sumida provides a wide selection of inductors for various applications. To explore more about Sumida inductor product details, choose from the list below.