{"id":2456,"date":"2025-03-21T02:05:40","date_gmt":"2025-03-21T02:05:40","guid":{"rendered":"https:\/\/rf-capacitor.com\/?p=2456"},"modified":"2025-03-21T02:27:50","modified_gmt":"2025-03-21T02:27:50","slug":"five-common-faults-of-electrolytic-capacitors","status":"publish","type":"post","link":"https:\/\/rf-capacitor.com\/ja\/five-common-faults-of-electrolytic-capacitors\/","title":{"rendered":"\u96fb\u89e3\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u3088\u304f\u898b\u3089\u308c\u308b5\u3064\u306e\u6545\u969c\u306e\u5206\u6790"},"content":{"rendered":"<div class=\"row\"  id=\"row-117806407\">\n\n\t<div id=\"col-404480925\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u30c8\u30b0\u30eb\u76ee\u6b21\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u30c8\u30b0\u30eb<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rf-capacitor.com\/ja\/five-common-faults-of-electrolytic-capacitors\/#Abstract\" >\u8981\u65e8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rf-capacitor.com\/ja\/five-common-faults-of-electrolytic-capacitors\/#I_Capacity_attenuation_the_%E2%80%9Cinvisible_killer%E2%80%9D_of_switching_power_supply_vibration\" >I.\u5bb9\u91cf\u6e1b\u8870\uff1a\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90\u632f\u52d5\u306e\u300c\u898b\u3048\u306a\u3044\u6bba\u4eba\u8005<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rf-capacitor.com\/ja\/five-common-faults-of-electrolytic-capacitors\/#II_Chain_damage_of_rectifier_circuit_%E2%80%9Csymbiotic_crisis%E2%80%9D_of_capacitors_and_rectifier_bridges\" >II.\u6574\u6d41\u56de\u8def\u306e\u9023\u9396\u7684\u640d\u50b7\uff1a\u300c\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u3068\u6574\u6d41\u30d6\u30ea\u30c3\u30b8\u306e\u300c\u5171\u751f\u306e\u5371\u6a5f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rf-capacitor.com\/ja\/five-common-faults-of-electrolytic-capacitors\/#III_Hidden_solder_joint_hazards_the_%E2%80%9Chidden_threat%E2%80%9D_of_large-capacity_capacitors\" >III.\u96a0\u308c\u305f\u306f\u3093\u3060\u63a5\u5408\u90e8\u306e\u5371\u967a\u6027\uff1a\u5927\u5bb9\u91cf\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u300c\u96a0\u308c\u305f\u8105\u5a01<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rf-capacitor.com\/ja\/five-common-faults-of-electrolytic-capacitors\/#IV_Overvoltage_The_ignored_%E2%80%9Cpeak_voltage_trap%E2%80%9D\" >IV.\u904e\u96fb\u5727\uff1a\u7121\u8996\u3055\u308c\u308b \"\u30d4\u30fc\u30af\u96fb\u5727\u306e\u7f60\"<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/rf-capacitor.com\/ja\/five-common-faults-of-electrolytic-capacitors\/#V_Reverse_polarity_an_irreversible_%E2%80%9Cfatal_error%E2%80%9D\" >V.\u9006\u6975\u6027\uff1a\u4e0d\u53ef\u9006\u7684\u306a \"\u81f4\u547d\u7684\u30a8\u30e9\u30fc\"<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/rf-capacitor.com\/ja\/five-common-faults-of-electrolytic-capacitors\/#Summary\" >\u6982\u8981<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"abstract-\"><span class=\"ez-toc-section\" id=\"Abstract\"><\/span>\u8981\u65e8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u96fb\u5b50\u56de\u8def\u306b\u306f\u6b20\u304b\u305b\u306a\u3044\u90e8\u54c1\u3067\u3042\u308b\u3002 <a href=\"https:\/\/rf-capacitor.com\/ja\/dc-electrolytic-capacitor\/\">\u96fb\u89e3\u30b3\u30f3\u30c7\u30f3\u30b5<\/a> \u56de\u8def\u6545\u969c\u306e30%\u4ee5\u4e0a\u3092\u5360\u3081\u3066\u3044\u308b\u3002\u672c\u7a3f\u3067\u306f\u3001\u96fb\u89e3\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u4ee3\u8868\u7684\u306a5\u3064\u306e\u6545\u969c\u30e2\u30fc\u30c9\u3067\u3042\u308b\u5bb9\u91cf\u6e1b\u8870\u3001\u6574\u6d41\u56de\u8def\u306e\u9023\u9396\u7684\u640d\u50b7\u3001\u8aa4\u3063\u305f\u306f\u3093\u3060\u4ed8\u3051\u306b\u3088\u308b\u96a0\u308c\u305f\u5371\u967a\u6027\u3001\u904e\u96fb\u5727\u3001\u9006\u6975\u6027\u3092\u6df1\u304f\u5206\u6790\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b7\u30ca\u30ea\u30aa\u306b\u57fa\u3065\u3044\u305f\u89e3\u6c7a\u7b56\u3092\u63d0\u6848\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u6a29\u5a01\u3042\u308b\u696d\u754c\u30c7\u30fc\u30bf\u3084\u4e8b\u4f8b\u3092\u5f15\u7528\u3057\u3066\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u4f53\u7cfb\u7684\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30ac\u30a4\u30c9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-479990137\">\n\n\t<div id=\"col-1881676184\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1576625171\">\n\t\t<a class=\"\" href=\"https:\/\/rf-capacitor.com\/ja\/dc-capacitor-2\/\" >\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"850\" src=\"https:\/\/rf-capacitor.com\/wp-content\/uploads\/2025\/03\/Electrolytic-Capacitors1.jpg\" class=\"attachment-original size-original\" alt=\"\u96fb\u89e3\u30b3\u30f3\u30c7\u30f3\u30b5\" srcset=\"https:\/\/rf-capacitor.com\/wp-content\/uploads\/2025\/03\/Electrolytic-Capacitors1.jpg 1000w, https:\/\/rf-capacitor.com\/wp-content\/uploads\/2025\/03\/Electrolytic-Capacitors1-300x255.jpg 300w, https:\/\/rf-capacitor.com\/wp-content\/uploads\/2025\/03\/Electrolytic-Capacitors1-768x653.jpg 768w, https:\/\/rf-capacitor.com\/wp-content\/uploads\/2025\/03\/Electrolytic-Capacitors1-14x12.jpg 14w, https:\/\/rf-capacitor.com\/wp-content\/uploads\/2025\/03\/Electrolytic-Capacitors1-600x510.jpg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1576625171 {\n  width: 42%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<h2 id=\"iii-hidden-solder-joint-hazards-the-hidden-threat-of-large-capacity-capacitors\"><span class=\"ez-toc-section\" id=\"I_Capacity_attenuation_the_%E2%80%9Cinvisible_killer%E2%80%9D_of_switching_power_supply_vibration\"><\/span>I.\u5bb9\u91cf\u6e1b\u8870\uff1a\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90\u632f\u52d5\u306e\u300c\u898b\u3048\u306a\u3044\u6bba\u4eba\u8005<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1.\u6545\u969c\u30e1\u30ab\u30cb\u30ba\u30e0\uff1a\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90\u3067\u306f\u901a\u5e38\u3001\u96fb\u89e3\u30b3\u30f3\u30c7\u30f3\u30b5\u304cPWM\u30c1\u30c3\u30d7\uff08UC3842\u306a\u3069\uff09\u306e\u96fb\u6e90\u7aef\u306b\u4e26\u5217\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3002\u305d\u306e\u5bb9\u91cf\u306e\u6e1b\u8870\u306b\u3088\u308a\u30c1\u30c3\u30d7\u306e\u96fb\u6e90\u96fb\u5727\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u308a\u3001\u96fb\u6e90\u304c\u8d77\u52d5\u3057\u306a\u304b\u3063\u305f\u308a\u3001\u30d7\u30ed\u30c6\u30af\u30c8\u3092\u7e70\u308a\u8fd4\u3057\u305f\u308a\u3059\u308b\u3002<\/p>\n<p>2.\u30c7\u30fc\u30bf\u30b5\u30dd\u30fc\u30c8\u4e2d\u56fd\u30b9\u30fc\u30d1\u30fc\u30ad\u30e3\u30d1\u30b7\u30bf\u7523\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u7d71\u8a08\u306b\u3088\u308b\u3068\u3001\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90\u306e\u6545\u969c\u306e\u7d0445%\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u5bb9\u91cf\u4f4e\u4e0b\u306b\u95a2\u9023\u3057\u3066\u3044\u308b\u3002\u4f8b\u3048\u3070\u3001\u3042\u308b\u30d6\u30e9\u30f3\u30c9\u306e\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u306f\u51fa\u529b\u30ea\u30c3\u30d7\u30eb\u304c50%\u6025\u5897\u3057\u3001100\u03bcF\/50V\u96fb\u89e3\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u5bb9\u91cf\u304c30\u03bcF\u4ee5\u4e0b\u306b\u4f4e\u4e0b\u3057\u305f\u305f\u3081\u904e\u96fb\u6d41\u4fdd\u8b77\u304c\u4f5c\u52d5\u3059\u308b\u3002<\/p>\n<p>3.\u89e3\u6c7a\u7b56<\/p>\n<ul>\n<li>\u4ea4\u63db\u306e\u539f\u5247\uff1a105\u2103\u306e\u9ad8\u6e29\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u512a\u5148\u3057\u300120%-50%\u306e\u5bb9\u91cf\u3092\u5897\u52a0\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\uff08\u5143\u306e10\u03bcF\u309222\u03bcF\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306a\u3069\uff09\u3002<\/li>\n<li>\u691c\u51fa\u30c4\u30fc\u30eb\uff1aLCR\u30e1\u30fc\u30bf\u3067ESR\u5024\u3092\u6e2c\u5b9a\u3059\u308b\u3002KEMET\u30b3\u30f3\u30c7\u30f3\u30b5ESR\u57fa\u6e96]\u306e2\u500d\u3092\u8d85\u3048\u308b\u5834\u5408\u306f\u4ea4\u63db\u304c\u5fc5\u8981\u3002<\/li>\n<\/ul>\n<h2 id=\"iii-hidden-solder-joint-hazards-the-hidden-threat-of-large-capacity-capacitors\"><span class=\"ez-toc-section\" id=\"II_Chain_damage_of_rectifier_circuit_%E2%80%9Csymbiotic_crisis%E2%80%9D_of_capacitors_and_rectifier_bridges\"><\/span>II.\u6574\u6d41\u56de\u8def\u306e\u9023\u9396\u7684\u640d\u50b7\uff1a\u300c\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u3068\u6574\u6d41\u30d6\u30ea\u30c3\u30b8\u306e\u300c\u5171\u751f\u306e\u5371\u6a5f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1.\u6545\u969c\u30b7\u30ca\u30ea\u30aa\uff1a\u6574\u6d41\u30d6\u30ea\u30c3\u30b8\u5f8c\u7aef\u306e\u30d5\u30a3\u30eb\u30bf\u96fb\u89e3\u30b3\u30f3\u30c7\u30f3\u30b5(400V\/220\u03bcF\u306a\u3069)\u304c\u30b5\u30fc\u30b8\u306b\u3088\u308a\u6545\u969c\u3059\u308b\u3068\u3001\u6574\u6d41\u7ba1\u304c\u904e\u96fb\u6d41\u306b\u3088\u308a\u76f4\u63a5\u713c\u640d\u3059\u308b\u3002\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u6545\u969c\u306f\u6574\u6d41\u30d6\u30ea\u30c3\u30b8\u306e\u6545\u969c\u7387\u309270%\u5897\u52a0\u3055\u305b\u308b\u3002<\/p>\n<p>2.\u5b9f\u9a13\u306b\u3088\u308b\u691c\u8a3cAC220V\u5165\u529b\u56de\u8def\u306b\u304a\u3044\u3066\u3001\u96fb\u89e3\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u6f0f\u308c\u96fb\u6d41\u304c1mA\u4ee5\u4e0a(\u6a19\u6e96\u306f0.01CV\u4ee5\u4e0b)\u306b\u306a\u308b\u3068\u3001\u6574\u6d41\u30d6\u30ea\u30c3\u30b8\u306e\u6e29\u5ea6\u4e0a\u6607\u304c85\u2103\u3092\u8d85\u3048\u3001\u7d4c\u5e74\u52a3\u5316\u3092\u4fc3\u9032\u3059\u308b\u3002<\/p>\n<p>3.\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6226\u7565<\/p>\n<ul>\n<li>\u540c\u671f\u4ea4\u63db\uff1a\u6574\u6d41\u5668\u30d6\u30ea\u30c3\u30b8\u3068\u30b3\u30f3\u30c7\u30f3\u30b5\u306f\u3001\u4e8c\u6b21\u6545\u969c\u306e\u539f\u56e0\u3068\u306a\u308b\u6b8b\u7559\u30c0\u30e1\u30fc\u30b8\u3092\u907f\u3051\u308b\u305f\u3081\u3001\u30da\u30a2\u3067\u4ea4\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u88dc\u5f37\u8a2d\u8a08\uff1a\u4e26\u5217TVS\u30c0\u30a4\u30aa\u30fc\u30c9\uff08P6KE440A\u306a\u3069\uff09\u304c\u30b9\u30d1\u30a4\u30af\u96fb\u5727\u3092\u5438\u53ce\u3057\u3001\u7d76\u7e01\u7834\u58ca\u306e\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2 id=\"iii-hidden-solder-joint-hazards-the-hidden-threat-of-large-capacity-capacitors\"><span class=\"ez-toc-section\" id=\"III_Hidden_solder_joint_hazards_the_%E2%80%9Chidden_threat%E2%80%9D_of_large-capacity_capacitors\"><\/span>III.\u96a0\u308c\u305f\u306f\u3093\u3060\u63a5\u5408\u90e8\u306e\u5371\u967a\u6027\uff1a\u5927\u5bb9\u91cf\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u300c\u96a0\u308c\u305f\u8105\u5a01<span 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