An electrical conduction assembly comprising a flexible layer, an interface being associated with and electrically coupled to a terminal of an external electrical element, and a circuit trace coupled to the flexible layer and to the interface. The circuit trace includes a fuse as part of the trace, and the fuse is associated with the interface. Also disclosed is a battery including the electrical conduction assembly. Further disclosed is a bus bar holder for a battery. The bus bar holder includes a lead-in structure coupled with a main body on a first side. The lead in structure includes a first lead-in wall to be disposed between a first plurality of battery cells and a second lead-in wall orthogonal to the first lead-in wall. The bus bar holder can also include a plurality of pockets, each or which includes a respective aperture and a respective recess.

A connection structure includes: a circuit body including a flexible printed circuit having a wiring pattern; and a conductive body connected to a mounting surface of the circuit body using a solder. The conductive body has a pair of connection portions opposed to each other and extending along the mounting surface. The solder forms solder fillets located around the pair of connection portions and extending along the mounting surface. A first fillet width of one solder fillet among the solder fillets located in an inside region between the pair of connection portions is larger than a second fillet width of another solder among the solder fillets located in an outside region of one of the pair of connection portions, which is on a side opposite to the inside region across the one of the pair of connection portions.

A printed-circuit board includes: a film-shaped thermoplastic base member having plasticity; a pattern fuse formed from a metal foil layer provided on a principal surface of the base member; a cover member covering at least part of the pattern fuse from an opposite side of the base member; and a first heat-resistant protection film provided on a region overlapping with at least part of the pattern fuse and covering the pattern fuse from a cover member side.

Disclosed are various protection devices and associated methods. In some embodiments, a protection device may include a fuse assembly having a fusible link extending between a first lead end and a second lead end, and a first lead extending from the first lead end and a second lead extending from the second lead end. The protection device may further include a body including a first section coupleable with a second section, wherein the first and second sections define a central cavity housing the fusible link. The first section may include an interior face operable to engage an opposite interior face of the second section, an engagement member extending away from the interior face towards the second section, and an engagement channel adjacent the engagement member, the engagement channel operable to receive a corresponding engagement member of the second section.

The present disclosure provides a battery module comprising a circuit board, the circuit board comprises a conductive layer, a first pad and a second pad. The conductive layer is formed with a sampling circuit, the sampling circuit comprises: a sampling end portion; an outputting end portion; a first branch path formed with a first fusing zone; and a second branch path formed with a second fusing zone. The first pad is provided on the sampling end portion, the second pad is provided on the second branch path. When the first fusing zone is fused, the circuit board can be quickly repaired by means of the second branch path and the second pad to electrically connect the sampling end portion and the outputting end portion, thereby achieving the purpose of reusing the circuit board, therefore the entire battery module is not scrapped and the utilization of the battery module is improved.

A film-type cable according to the present disclosure includes an insulating film and a plurality of conducting wires covered by the insulating film and extending in a first direction, each of the plurality of conducting wires separate by a predetermined distance, wherein each of the plurality of conducting wires includes: a fuse pattern section configured to be broken when a current exceeding a rated current flows through the fuse pattern section; and a normal section configured not to be broken when a current exceeding the rated current flows through the normal section, wherein the fuse pattern section may be thinner than the normal section.

A circuit board with integrated fusing includes an insulating substrate having a circuit trace formed on a surface thereof, the circuit trace including a first circuit trace portion and a second circuit trace portion. A fusible link electrically connects the first circuit trace portion to the second circuit trace portion, the fusible link including a planar surface extending from the first circuit trace portion to the second circuit trace portion. A dielectric reflow encapsulates the fusible link on the planar surface from the first circuit trace portion to the second circuit trace portion.

A power relay assembly is provided. A power relay assembly according to an exemplary embodiment of the present invention comprises: a support plate having at least one electric element mounted on one surface thereof and including a plastic material having heat dissipation and insulation properties; and at least one bus bar electrically connected to the electric element and partially embedded in the support plate. Due to these features, since heat generated from the bus bar and the electric element is dissipated to the outside through the support plate, it is possible to prevent performance deterioration due to heat and breakage of electronic components.

A flexible printed circuit board (FPCB) including a pattern circuit layer. The pattern circuit layer has a pattern fuse embedded therein, and the pattern fuse includes a first conductive wire made of a metal and having a spiral structure, and a second conductive wire made of a metal and having a spiral structure. The first conductive wire and the second conductive wire have a double helix structure.

Disclosed are various protection devices and associated methods. In some embodiments, a protection device may include a fuse assembly having a fusible link extending between a first lead end and a second lead end, and a first lead extending from the first lead end and a second lead extending from the second lead end. The protection device may further include a body including a first section coupleable with a second section, wherein the first and second sections define a central cavity housing the fusible link. The first section may include an interior face operable to engage an opposite interior face of the second section, an engagement member extending away from the interior face towards the second section, and an engagement channel adjacent the engagement member, the engagement channel operable to receive a corresponding engagement member of the second section.