Ingress-protective mechanism of wire-wound magnetic component
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United States of America Patent
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Feb 15, 2022
Grant Date -
Jan 2, 2020
app pub date -
Jun 29, 2018
filing date -
Jun 29, 2018
priority date (Note) -
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Abstract
A wire-wound magnetic component includes a magnetic core, a coil set, a bobbin, an insulating wrapper, a caulking member and an ingress-protective finishing film. The magnetic core has at least one leg. The coil set is aligned and interacts with the magnetic core for electromagnetic induction, wherein the coil set includes at least one coil. The bobbin includes: a main body having a hollow portion for accommodating the leg of the magnetic core, and winding therearound a conductive wire to form the coil set, wherein the conductive wire has an unwound free end extending from the coil set; a cover plate disposed at an end of the main body and configured as a flange so as to define a winding space for accommodating the coil set; and an ingress-protective structure disposed in the winding space and separating the coil set from the cover plate.
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