Title:
PROTECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/012193
Kind Code:
A1
Abstract:
An objective of the present invention is to provide a protection device whereby it is possible to provide appropriate protection against excess current and anomalously high temperatures, with a large holding current and no mechanical contact. A protection device comprises (i) at least one PTC element, and (ii) a thermal fuse element. Each PTC element and the thermal fuse element are mutually electrically connected in parallel. The thermal fuse element is within the thermal effect of at least one PTC element. Under normal circumstances, current substantially flows through each PTC element and the thermal fuse element.
Inventors:
HASUNUMA TAKASHI (JP)
TANAKA ARATA (JP)
YAMAOKA TOSHIKAZU (JP)
TANAKA ARATA (JP)
YAMAOKA TOSHIKAZU (JP)
Application Number:
PCT/JP2014/069038
Publication Date:
January 29, 2015
Filing Date:
July 17, 2014
Export Citation:
Assignee:
TYCO ELECTRONICS JAPAN G K (JP)
International Classes:
H01H37/76; H02H9/02
Foreign References:
| JP2009032696A | 2009-02-12 | |||
| JPS5947954U | 1984-03-30 |
Attorney, Agent or Firm:
SAMEJIMA, MUTSUMI (JP)
Mutsumi Sameshima (JP)
Mutsumi Sameshima (JP)
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