Sumitomo Electronic Wire Products

Sumitomo Electric Group manufactures a diverse range of high-performance wires and cables, most notably supplying automotive wiring harnesses, magnet wires, and irradiated electronic wires. Their specialized automotive high-voltage wires and micro-coaxial cables are essential for next-generation electric vehicles and consumer electronics.

Heat-Shrink Tubing SUMITUBE™

Sumitomo Electric manufactures a world-renowned line of heat shrink tubing known as SUMITUBE™. Enhanced via electron beam irradiation cross-linking, these tubes are widely utilized across aviation, automotive, and military electronics for insulation, strain relief, and waterproofing.

Sumitomo Flexible Flat Cables (FFC)

Sumitomo Flexible Flat Cables (FFC) are high-density, lightweight ribbon cables widely used for internal wiring in compact electronic devices, consumer hardware, and automotive applications. They are known for their flexibility, durability, and excellent signal integrity, even in high-frequency and high-temperature environments

Sumitomo Electric’s Thunderbolt™ Cables

Sumitomo Electric is a key Intel-certified partner that develops and manufactures high-performance Thunderbolt™ cables, ranging from the original generations to the ultra-fast Thunderbolt™ 5. Their cables utilize micro-flex coaxial technology to provide durable, high-speed data transfer, video, and power delivery