{"id":74398,"date":"2023-12-08T14:00:39","date_gmt":"2023-12-08T13:00:39","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/1n5408-co-to-jest-dane-techniczne-cena-i-opinie\/"},"modified":"2026-04-08T11:02:40","modified_gmt":"2026-04-08T09:02:40","slug":"1n5408-co-je-to-technicke-udaje-cena-a-nazory","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/1n5408-co-je-to-technicke-udaje-cena-a-nazory\/","title":{"rendered":"1N5408 – Co je to? Technick\u00e9 \u00fadaje, cena a n\u00e1zory"},"content":{"rendered":"\u010cas \u010dten\u00ed:<\/span> 3<\/span> min.<\/span><\/span>\t\t
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1N5408 je ozna\u010den\u00ed usm\u011br\u0148ovac\u00ed diody ur\u010den\u00e9 pro pr\u016fchoz\u00ed mont\u00e1\u017e THT. Dioda je zapouzd\u0159ena v krytu DO-201AD.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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1N5408 - co to je?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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1N5408<\/strong> je ozna\u010den\u00ed elektronick\u00e9 sou\u010d\u00e1stky, konkr\u00e9tn\u011b usm\u011br\u0148ovac\u00ed diody<\/a> s usm\u011br\u0148ovac\u00ed diody<\/strong>. Dioda je zapouzd\u0159ena v obl\u00edben\u00e9m krytu typu DO-201AD<\/strong>. Vyzna\u010duje se minim\u00e1ln\u00edm \u00fanikem proudu. Mezi aplikace diody 1N5408<\/strong> pat\u0159\u00ed \u0159\u00edzen\u00ed spot\u0159eby, r\u016fzn\u00e1 p\u0159enosn\u00e1 za\u0159\u00edzen\u00ed, spot\u0159ebn\u00ed elektronika a pr\u016fmyslov\u00e9 aplikace.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Co stoj\u00ed za to v\u011bd\u011bt o usm\u011br\u0148ovac\u00edch diod\u00e1ch?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Usm\u011br\u0148ovac\u00ed diody<\/strong><\/a> jsou pasivn\u00ed elektronick\u00e9 sou\u010d\u00e1stky, kter\u00e9 nevyr\u00e1b\u011bj\u00ed elektrickou energii<\/strong>. Vyzna\u010duj\u00ed se asymetrickou strukturou<\/strong>. V praxi to znamen\u00e1, \u017ee usm\u011br\u0148ovac\u00ed diody vedou proud v ka\u017ed\u00e9m sm\u011bru jinak<\/strong>.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Nejd\u016fle\u017eit\u011bj\u0161\u00ed vlastnost\u00ed usm\u011br\u0148ovac\u00edch diod je jejich schopnost “usm\u011br\u0148ovat” st\u0159\u00eddav\u00fd proud<\/strong>, nap\u0159\u00edklad z dom\u00e1c\u00ed elektrick\u00e9 s\u00edt\u011b 230 V AC.<\/strong> Prvky tohoto typu se pou\u017e\u00edvaj\u00ed v r\u016fzn\u00fdch typech stejnosm\u011brn\u00fdch syst\u00e9m\u016f<\/strong>, kter\u00e9 jsou nap\u00e1jeny ze standardn\u00edch st\u0159\u00eddav\u00fdch elektrick\u00fdch instalac\u00ed. Usm\u011br\u0148ovac\u00ed diody se skl\u00e1daj\u00ed z katody a anody<\/strong>. Nejb\u011b\u017en\u011bj\u0161\u00edm typem elektronick\u00fdch sou\u010d\u00e1stek tohoto typu jsou k\u0159em\u00edkov\u00e9 diody<\/strong>. Jak n\u00e1zev napov\u00edd\u00e1, k jejich v\u00fdrob\u011b se pou\u017e\u00edv\u00e1 k\u0159em\u00edk, polovodi\u010dov\u00fd materi\u00e1l. Vyzna\u010duje se schopnost\u00ed v\u00e9st vysok\u00e9 nap\u011bt\u00ed a proud<\/strong>. Dal\u0161\u00ed v\u00fdhodou k\u0159em\u00edkov\u00fdch diod jsou jejich kompaktn\u00ed rozm\u011bry<\/strong>, a tedy mo\u017enost mont\u00e1\u017ee na mal\u00e9 desky plo\u0161n\u00fdch spoj\u016f PCB<\/strong><\/a>. Vysok\u00e1 odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m znamen\u00e1, \u017ee k\u0159em\u00edkov\u00e9 diody vytla\u010dily z trhu germaniov\u00e9 diody.<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t
Sortiment sady usm\u011br\u0148ovac\u00edch diod Botland zahrnuje Diody 1N5408.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tPOD\u00cdVEJTE SE NA<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Dal\u0161\u00ed informace o usm\u011br\u0148ovac\u00edch diod\u00e1ch<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Stejn\u011b jako ostatn\u00ed elektronick\u00e9 sou\u010d\u00e1stky, tak\u00e9 usm\u011br\u0148ovac\u00ed diody<\/strong><\/a> maj\u00ed sv\u00e9 vlastn\u00ed vlastnosti, kter\u00e9 ur\u010duj\u00ed jejich pou\u017eit\u00ed. Kl\u00ed\u010dov\u00fdm technick\u00fdm parametrem je maxim\u00e1ln\u00ed proud<\/strong>, kter\u00fd m\u016f\u017ee dioda v\u00e9st, ani\u017e by hrozilo jej\u00ed po\u0161kozen\u00ed. Dal\u0161\u00ed je tzv. maxim\u00e1ln\u00ed zp\u011btn\u00e9 nap\u011bt\u00ed<\/strong>. Tyto vlastnosti ur\u010duj\u00ed, jak\u00e9 nap\u011bt\u00ed m\u016f\u017ee diody po\u0161kodit, kdy\u017e se na diodu, kter\u00e1 je v poloze stop, p\u0159ivede sign\u00e1l.<\/p>\n

Pokud je sign\u00e1l p\u0159iv\u00e1d\u011bn na diodu ve vodiv\u00e9 poloze, pak m\u00e1me co do \u010din\u011bn\u00ed s parametrem ozna\u010dovan\u00fdm jako vodiv\u00e9 nap\u011bt\u00ed<\/strong>. Tato vlastnost p\u0159\u00edmo souvis\u00ed s \u00farovn\u00ed proudu.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Pou\u017eit\u00ed usm\u011br\u0148ovac\u00edch diod<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Mezi aplikace elektronick\u00fdch sou\u010d\u00e1stek tohoto typu pat\u0159\u00ed r\u016fzn\u00e9 typy nap\u00e1jec\u00edch syst\u00e9m\u016f<\/strong>. Krom\u011b toho se pou\u017e\u00edvaj\u00ed k v\u00fdrob\u011b nap\u00e1jec\u00edch zdroj\u016f,<\/strong> kter\u00e9 p\u0159ev\u00e1d\u011bj\u00ed st\u0159\u00eddav\u00fd proud ze s\u00edt\u011b, nap\u0159. 230 V AC, na stejnosm\u011brn\u00fd proud DC<\/strong>. Usm\u011br\u0148ovac\u00ed diody se instaluj\u00ed tak\u00e9 do m\u011bni\u010d\u016f<\/strong>, stabiliza\u010dn\u00edch obvod\u016f<\/strong>, m\u011bni\u010d\u016f frekvence a nap\u011bt\u00ed<\/strong>. Dal\u0161\u00edmi aplikacemi k\u0159em\u00edkov\u00e9 diody jsou r\u016fzn\u00e9 typy stabiliza\u010dn\u00edch obvod\u016f a obvody ochrany proti<\/strong> p\u0159ep\u00f3lov\u00e1n\u00ed.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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1N5408 - Technick\u00e9 specifikace<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Popsan\u00fd elektronick\u00fd prvek 1N5408<\/strong> je navr\u017een pro provoz v \u0161irok\u00e9m rozsahu pracovn\u00edch teplot od -55 \u00b0C do 150 \u00b0C<\/strong>. V praxi to znamen\u00e1 \u0161irokou \u0161k\u00e1lu aplikac\u00ed a stabiln\u00ed v\u00fdkon v r\u016fzn\u00fdch podm\u00ednk\u00e1ch. Naproti tomu maxim\u00e1ln\u00ed vodiv\u00e9 nap\u011bt\u00ed VF se rovn\u00e1 1,2 V<\/strong> p\u0159i proudu 3 A<\/strong>. Maxim\u00e1ln\u00ed ztr\u00e1tov\u00fd v\u00fdkon usm\u011br\u0148ovac\u00ed diody je 6,25 W.<\/strong> Vodivostn\u00ed proud usm\u011br\u0148ovac\u00ed diody If (AV) se rovn\u00e1 3A<\/strong>. Dal\u0161\u00edm parametrem je maxim\u00e1ln\u00ed (opakovan\u00e9) zp\u011btn\u00e9 nap\u011bt\u00ed, kter\u00e9 se rovn\u00e1 Vrrm 1 kV.<\/strong><\/p>\n

Maxim\u00e1ln\u00ed proudov\u00e1 zat\u00ed\u017eitelnost usm\u011br\u0148ovac\u00ed diody 1N5408 je 3 A<\/strong> p\u0159i teplot\u011b okol\u00ed 75 \u00b0C<\/strong>. Vn\u011bj\u0161\u00ed struktura usm\u011br\u0148ovac\u00edch diod p\u0159ipom\u00edn\u00e1 v\u00e1lec se dv\u011bma v\u00fdvody. Spr\u00e1vn\u00fd sm\u011br polarity lze snadno ur\u010dit d\u00edky pruh\u016fm na krytu. P\u00e1sky jsou na katodov\u00e9 stran\u011b. Jedna dioda v\u00e1\u017e\u00ed 0,8 g<\/strong>.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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1N5408 - n\u00e1zory<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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K\u0159em\u00edkov\u00e9 diody 1N5408<\/strong> maj\u00ed pozitivn\u00ed pov\u011bst mezi za\u010d\u00e1te\u010dn\u00edky, zku\u0161en\u00fdmi elektroniky i dom\u00e1c\u00edmi kutily, d\u00edky snadn\u00e9 instalaci<\/strong>. Dal\u0161\u00edmi d\u016fvody pro pozitivn\u00ed pov\u011bst diod 1N5408 jsou jejich kompaktn\u00ed rozm\u011bry, \u0161irok\u00fd rozsah pracovn\u00edch teplot, univerz\u00e1ln\u00ed pou\u017eit\u00ed a p\u0159ijateln\u00e1 cena.<\/strong><\/p>\n

V\u00fdroba k\u0159em\u00edkov\u00fdch diod 1N5408 je pln\u011b v souladu se sm\u011brnic\u00ed EU RoHS<\/strong>, kter\u00e1 byla zavedena v roce 2003. C\u00edlem p\u0159ijet\u00ed t\u00e9to normy je co nejv\u00edce sn\u00ed\u017eit mno\u017estv\u00ed nebezpe\u010dn\u00fdch l\u00e1tek, kter\u00e9 mohou potenci\u00e1ln\u011b unikat do \u017eivotn\u00edho prost\u0159ed\u00ed z elektronick\u00fdch sou\u010d\u00e1stek nebo za\u0159\u00edzen\u00ed. P\u0159i v\u00fdrob\u011b diod 1N5408 se nepou\u017e\u00edv\u00e1 olovo.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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1N5408 - cena<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Cena elektronick\u00e9 sou\u010d\u00e1stky s ozna\u010den\u00edm 1N5408 se pohybuje kolem 1 koruny za kus<\/strong>. Pokud v\u0161ak nakupujete ve velk\u00e9m, nap\u0159\u00edklad 1 000 kus\u016f, m\u016f\u017ee b\u00fdt cena mnohem ni\u017e\u0161\u00ed. Za p\u0159ijatelnou cenu z\u00edsk\u00e1 u\u017eivatel osv\u011bd\u010den\u00e9 a univerz\u00e1ln\u00ed usm\u011br\u0148ovac\u00ed diody. Verze 1N5408 jsou nej\u010dast\u011bji nab\u00edzeny v p\u00e1skov\u00e9m balen\u00ed.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

1N5408 je ozna\u010den\u00ed usm\u011br\u0148ovac\u00ed diody ur\u010den\u00e9 pro pr\u016fchoz\u00ed mont\u00e1\u017e THT. Dioda je zapouzd\u0159ena v krytu DO-201AD.<\/p>\n","protected":false},"author":22,"featured_media":73754,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,179],"tags":[],"class_list":["post-74398","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika","category-kompendium"],"acf":[],"yoast_head":"\n1N5408 - Co je to? Technick\u00e9 \u00fadaje, cena a n\u00e1zory - Botland<\/title>\n<meta name=\"description\" content=\"Usm\u011br\u0148ovac\u00ed dioda 1N5408 - kl\u00ed\u010dov\u00e9 informace, specifikace, hodnocen\u00ed a cena. 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