Varistor assembly
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsYOSHIKO HIGASHI, EIICHI KOGA, MASAYUKI TAKAGISHI
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Abstract
Provided is a varistor assembly capable of achieving good surge breakdown voltage while suppressing capacitance. The varistor assembly is obtained by connecting a plurality of varistor elements in parallel. Each varistor element includes: a sintered body obtained by sintering a laminate in which varistor layers and internal electrodes are alternately laminated; and a pair of external electrodes provided in a state where the internal electrodes are alternately connected on at least both end faces of this sintered body. Varistor element includes at least a plurality of first group varistor elements in which a value obtained by dividing a surface area of the sintered body by a volume of the sintered body is 1.9 mm−1 or more.
Claims5
A varistor assembly comprising a plurality of varistor elements connected in parallel, wherein
- each of the plurality of varistor elements includes a sintered body and a pair of external electrodes,
- the sintered body is obtained by sintering a laminate, the laminate including a plurality of varistor layers and a plurality of internal electrodes alternately laminated,
- the sintered body has a pair of end faces located in a direction along surfaces that the varistor layers and the internal electrodes are in contact with each other,
- the pair of external electrodes is provided on the pair of end faces,
- the plurality of varistor elements includes a plurality of first group varistor elements, and
- each of the first group varistor elements satisfies S/V≥1.9 mm−1, where S is a surface area of the sintered body and V is a volume of the sintered body.
Dependencies are inferred from the claim text.