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Title:
SURGE PROTECTION APPARATUS HAVING EMBEDDED FUSE
Document Type and Number:
WIPO Patent Application WO/2018/040080
Kind Code:
A1
Abstract:
A surge protection apparatus may include an input terminal; an output terminal, the output terminal electrically coupled to the input terminal;a ground terminal, the ground terminal electrically coupled to the input terminal and output terminal:;a positive temperature coefficient (PTC) fuse, the PTC fuse connected in electrical series between the input terminal and output terminal; a crowbar device, the crowbar device electrically connected to the ground terminal and output terminal, wherein the crowbar device is in electrical series with the PTC fuse between the input terminal and ground terminal; and a central frame portion, the central frame portion electrically coupled to the input terminal, output terminal and ground terminal, wherein the crowbar device is disposed on a first side of the central frame portion and the PTC fuse is disposed on a second side of the central frame portion, opposite the first side.

Inventors:
LU, Kueir-Liang (8F -5 No. 8 Taiyuan 1, ChupeicityHsinchu County, Taiwan 302, 302, CN)
SHI, Lei (3# Zhen FA 6 Road, Shuo Fang New DistrictWuxi, Jiangsu 2, 214142, CN)
CHANG, Chao Yi (8F -5 No. 8 Taiyuan 1, ChupeicityHsinchu County, Taiwan 302, 302, CN)
CHIN, Chuan Fang (6F No. 62 Chun Shan Road, Luchu DistrictTaoyuan City, Taiwan 338, 338, CN)
Application Number:
CN2016/098016
Publication Date:
March 08, 2018
Filing Date:
September 05, 2016
Export Citation:
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Assignee:
LITTELFUSE SEMICONDUCTOR (WUXI) CO., LTD. (3# Zhen FA 6 Road, Shuo Fang New DistrictWuxi, Jiangsu 2, 214142, CN)
International Classes:
H02H9/04
Foreign References:
CN101233585A2008-07-30
CN204012692U2014-12-10
CN103311914A2013-09-18
CN102956635A2013-03-06
US20090002908A12009-01-01
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (8th Floor, Vantone New World Plaza2 Fuchengmenwai Street, Xicheng District, Beijing 7, 100037, CN)
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