Conbined tubular metal oxide varistor and gas discharge tube

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11043317
APP PUB NO 20210035715A1
SERIAL NO

16964285

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Abstract

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Provided herein are protection devices having a tubular ceramic part and a tubular metal oxide varistor (MOV) electrically coupled in series or parallel. In some embodiments, the tubular ceramic part is connected between a first electrode and a second electrode, and the tubular MOV is connected between the second electrode and a third electrode. In some embodiments, the tubular ceramic part and the tubular MOV have a same or similar shape and/or outer circumference. The protection device further includes an enclosure surrounding the tubular ceramic part and the tubular MOV, wherein the first electrode, the second electrode, and the third electrode each have leads extending outside the enclosure. In some embodiments, the tubular MOV includes a central cavity aligned with a central cavity of the tubular ceramic part, wherein the central cavity of the tubular MOV MOV and the central cavity of the tubular ceramic part contain an inert gas.

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Patent Owner(s)

Patent OwnerAddress
DONGGUAN LITTELFUSE ELECTRONICS COMPANY LIMITEDNANFANG INDUSTRIAL PARK DONGFANG RD BEIZHA HUMEN TOWN DONGGUAN CITY 523925

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shu, Xia Dongguan, CN 1 0
Tang, Hailang Dongguan, CN 8 42
Xiao, Yanjing Dongguan, CN 5 16

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