| 摘要 |
PROBLEM TO BE SOLVED: To provide a very reliable polarizable aluminum electrolytic capacitor. SOLUTION: This polarizable aluminum electrolytic capacitor is constituted of a capacitor element 2 made by winding an anode foil and a cathode foil with electrolytic paper between, a rubber sealing body 5 with its terminal insertion holes 51, 52 fit with aluminum round bars 31, 41 of an anode lead terminal 3 and a cathode lead terminal 4 extracted from the anode foil and the cathode foil respectively, and an aluminum case 6 which seals the capacitor element 2 impregnated with the nonaqueous electrolyte for driving including triethylamine salt of maleic acid or o-phthalic acid, together with the sealing body 5. As the material of the rubber sealing body 5, butyl rubber using magnesium silicate as a filler is used.
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