WINDING-TYPE SOLID ELECTROLYTIC CAPACITOR AND WINDING-TYPE CAPACITOR ELEMENT THEREOF
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United States of America Patent
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Issued Date -
Apr 20, 2017
app pub date -
May 19, 2016
filing date -
Oct 14, 2015
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Abstract
Disclosed is a winding-type solid electrolytic capacitor which includes an enclosing casing and a winding-type capacitor element enclosed by the enclosing casing. The winding-type capacitor element includes a winding body, a positive conductive lead pin extended from a first lateral side of the winding body, and a negative conductive lead pin extended from a second lateral side of the winding body, characterized in that at least one of the positive conductive lead pin and the negative conductive lead pin is a multi-layered structure which includes an iron core and a copper or copper alloy cladding layer surrounding the iron core. Thereby, the winding-type solid electrolytic capacitor has a relatively low equivalent series resistance (ESR) and good electron-transporting ability.
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