Sumitomo Electric Industries, Limited

Sumitomo Wiring Systems, Limited

Autonetworks Technologies, Limited

Shinichiro Yoshida

Kotaro Takada

Osamu Nakayama

Yutaka Takata

Misato Ueki

It is aimed to provide a fuse element capable of interrupting an electrical circuit while suppressing the formation of carbide when an abnormal current is generated. A fuse elementis provided with an insulating base material, a conductor layerprovided on a surface of the base materialand an insulating protection layerprovided on a surface of the conductor layer. The protection layerhas a specific heat of 1.1 J·g·Kor more and a specific gravity of 1.0 g·cmor more.

Fuse element

A wiring module including a flexible printed wiring board to be electrically connected to a plurality of power storage elements, wherein the flexible printed wiring board includes: a base film that has insulating properties and has a first surface and a second surface; an adhesive layer that has adhesive properties and is stacked onto the first surface of the base film; a conductive path that is stacked onto the first surface of the base film using the adhesive layer; and a coverlay that is stacked onto the first surface of the base film using the adhesive layer, and covers the first surface of the base film and the conductive path, the conductive path has a fuse portion forming a part of a circuit and having a smaller cross-sectional area than another part of the conductive path, and a resin portion that includes a synthetic resin with insulating properties.

Wiring module

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Osaka, Japan

Shinichiro Yoshida