Title:
Protective element
Document Type and Number:
Japanese Patent JP6306508
Kind Code:
B2
Abstract:
The present invention provides a protection device which includes: a PTC laminar element which is formed of an insulation resin and has at least one throughhole; electrically conductive metal thin layers which are positioned on each of main surfaces of the laminar element, and a fuse layer which is positioned on a side surface defining at least one of said at least one throughhole and electrically connects the electrically conductive metal thin layers which are positioned on each of main surfaces of the laminar element. The protection device of the present invention allows a larger amount of a current to flow therethrough and can provide a protection from an excessive current.
Inventors:
Shin Tanaka
Hisashi Usui
Keiichiro Nomura
Hisashi Usui
Keiichiro Nomura
Application Number:
JP2014533103A
Publication Date:
April 04, 2018
Filing Date:
August 30, 2013
Export Citation:
Assignee:
littelfuse Japan GK
International Classes:
H01H85/02; H01H37/76; H01M50/574; H01M50/583
Domestic Patent References:
| JP2009032696A | ||||
| JP2002042632A | ||||
| JP2004185960A | ||||
| JP2007280807A | ||||
| JP10275546A |
Attorney, Agent or Firm:
Samejima Mutsumi