{"id":74417,"date":"2023-12-21T14:00:57","date_gmt":"2023-12-21T13:00:57","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/tip122-co-to-jest-dane-techniczne-cena-i-opinie\/"},"modified":"2026-04-08T11:02:22","modified_gmt":"2026-04-08T09:02:22","slug":"tip122-co-je-to-technicke-udaje-cena-a-nazory","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/tip122-co-je-to-technicke-udaje-cena-a-nazory\/","title":{"rendered":"TIP122 – 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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TIP122 je zkratka pro bipol\u00e1rn\u00ed v\u00fdkonov\u00fd tranzistor typu Darlington NPN ve standardn\u00edm krytu TO-220.<\/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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TIP122 - co to je?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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TIP122 je popul\u00e1rn\u00ed tranzistor<\/strong><\/a> moci Darlington<\/strong> pou\u017e\u00edvan\u00fd v r\u016fzn\u00fdch line\u00e1rn\u00edch a sp\u00ednac\u00edch aplikac\u00edch st\u0159edn\u00edho v\u00fdkonu. Tranzistor je zapouzd\u0159en v pouzd\u0159e TO-220<\/strong> pro \u00fa\u010dinn\u00fd odvod tepla a rychlou a snadnou mont\u00e1\u017e. Tato elektronick\u00e1 sou\u010d\u00e1stka je vybavena t\u0159emi v\u00fdvody<\/strong> v podob\u011b dr\u00e1tov\u00fdch patek. Prvn\u00ed z nich je emitor tranzistoru<\/strong>, ozna\u010den\u00fd E<\/strong>. Druh\u00fdm je b\u00e1ze tranzistoru<\/strong> (st\u0159edn\u00ed vodi\u010d) ozna\u010den\u00e1 B<\/strong>. Posledn\u00edm ramenem je kolektor tranzistoru<\/strong> popsan\u00fd p\u00edsmenem C<\/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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Co jsou bipol\u00e1rn\u00ed tranzistory?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Uvnit\u0159 bipol\u00e1rn\u00edho tranzistoru<\/strong><\/a> je k\u0159em\u00edkov\u00e1 desti\u010dka<\/strong>, kter\u00e1 vytla\u010dila germaniovou desti\u010dku. Cel\u00e1 struktura desky byla upravena tak, aby vznikly t\u0159i oblasti, kter\u00e9 spolu soused\u00ed. Krom\u011b toho se tyto oblasti li\u0161\u00ed typem proudov\u00e9ho nosi\u010de. Bipol\u00e1rn\u00ed tranzistor TIP122 NPN<\/strong> se vyzna\u010duje dv\u011bma krajn\u00edmi oblastmi, kter\u00e9 maj\u00ed p\u0159ebytek z\u00e1porn\u00fdch n\u00e1boj\u016f. Naopak v centr\u00e1ln\u00ed oblasti je p\u0159ebytek kladn\u00fdch n\u00e1boj\u016f, tzv. d\u011br.<\/p>\n

Pokud je t\u0159eba \u0159\u00eddit relativn\u011b velkou z\u00e1t\u011b\u017e, pou\u017e\u00edv\u00e1 se obvykle jednoduch\u00fd, ale spolehliv\u00fd Darlington\u016fv obvod<\/strong>, nap\u0159\u00edklad model TIP122<\/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
Darlington\u016fv bipol\u00e1rn\u00ed tranzistor MPSA29 100V\/0,8A NPN.<\/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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TIP122 - Technick\u00e1 data<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Bipol\u00e1rn\u00ed v\u00fdkonov\u00fd tranzistor<\/strong><\/a> TIP122 NPN<\/strong>, p\u0159esn\u011bji maxim\u00e1ln\u00ed nap\u011bt\u00ed kolektor-emitor, je 100 V<\/strong>. Nap\u011bt\u00ed kolektor-b\u00e1ze je rovn\u011b\u017e 100 V<\/strong>. Naproti tomu maxim\u00e1ln\u00ed nap\u011bt\u00ed emitor-b\u00e1ze je 5 V<\/strong>. Dal\u0161\u00edm technick\u00fdm parametrem je trval\u00fd emitorov\u00fd proud, kter\u00fd m\u016f\u017ee dosahovat a\u017e 5 A<\/strong> (DC). Proud b\u00e1ze je 120 mA<\/strong>. V\u00fdkonov\u00fd bipol\u00e1rn\u00ed tranzistor TIP122 NPN si zachov\u00e1v\u00e1 sv\u00e9 vlastnosti v \u0161irok\u00e9m rozsahu pracovn\u00edch teplot (a\u017e +150 \u2103). Popsanou elektronickou sou\u010d\u00e1stku lze bezpe\u010dn\u011b skladovat p\u0159i teplot\u00e1ch od -65 \u2103 do +150 \u2103<\/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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Dal\u0161\u00ed technick\u00e9 parametry bipol\u00e1rn\u00edho tranzistoru TIP122<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Rozpt\u00fdlen\u00fd v\u00fdkon kolektoru p\u0159i 25 \u2103<\/strong> je 65 W<\/strong>, zat\u00edmco proudov\u00e9 zes\u00edlen\u00ed DC hFE m\u00e1 hodnotu 1000 hFE<\/strong>. V\u00fdkonov\u00fd tranzistor Darlington TIP122 je ur\u010den pro pr\u016fchoz\u00ed mont\u00e1\u017e (THT). V\u00fdvody elektronick\u00e9 sou\u010d\u00e1stky by m\u011bly b\u00fdt zasunuty do otvor\u016f v desce plo\u0161n\u00fdch spoj\u016f (PCB)<\/strong><\/a>. Dal\u0161\u00edm krokem je p\u0159ip\u00e1jen\u00ed vodi\u010d\u016f k p\u00e1jec\u00edm pol\u00edm, kter\u00e1 jsou p\u0159ipojena k vodiv\u00fdm cest\u00e1m.<\/p>\n

Nedoporu\u010duje se zah\u0159\u00edvat p\u00e1je\u010dkou p\u0159\u00edli\u0161 dlouho, proto\u017ee p\u0159\u00edli\u0161 vysok\u00e1 teplota m\u016f\u017ee po\u0161kodit desku nebo tranzistor. Maxim\u00e1ln\u00ed teplota nastaven\u00e1 na hlavn\u00edm p\u00e1su by nem\u011bla p\u0159ekro\u010dit 300 \u2103<\/strong>, p\u0159i\u010dem\u017e doba oh\u0159evu nesm\u00ed p\u0159ekro\u010dit 10 sekund.<\/strong><\/p>\n

Cel\u00fd v\u00fdrobn\u00ed proces bipol\u00e1rn\u00edho tranzistoru TIP122 je pln\u011b v souladu se sm\u011brnic\u00ed RoHS<\/strong>, kterou \u010dlensk\u00e9 st\u00e1ty Evropsk\u00e9 unie p\u0159ijaly v roce 2003. C\u00edlem zaveden\u00ed sm\u011brnice RoHS je maxim\u00e1ln\u011b sn\u00ed\u017eit mno\u017estv\u00ed nebezpe\u010dn\u00fdch materi\u00e1l\u016f (mimo jin\u00e9 nap\u0159\u00edklad olova), kter\u00e9 mohou pronikat do \u017eivotn\u00edho prost\u0159ed\u00ed z elektronick\u00fdch za\u0159\u00edzen\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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TIP122 - n\u00e1zory<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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V\u00fdkonov\u00fd tranzistor Darlington TIP122 NPN<\/strong> z\u00edskal pozitivn\u00ed ohlasy od za\u010d\u00ednaj\u00edc\u00edch i zku\u0161en\u00fdch elektronik\u016f a kon\u00ed\u010dk\u00e1\u0159\u016f, d\u00edky sv\u00e9 univerz\u00e1ln\u00ed pou\u017eitelnosti. Dobr\u00e1 zp\u011btn\u00e1 vazba je nav\u00edc d\u00e1na \u0161irok\u00fdm rozsahem pracovn\u00edch teplot, vysok\u00fdm rozptylem energie a snadnou instalac\u00ed.<\/p>\n

Tranzistor je ide\u00e1ln\u00ed pro kutilsk\u00e9 projekty, jako jsou audio zesilova\u010de.<\/strong> Dal\u0161\u00ed aplikace zahrnuj\u00ed r\u016fzn\u00e1 p\u0159enosn\u00e1 za\u0159\u00edzen\u00ed, spot\u0159ebn\u00ed elektroniku, syst\u00e9my \u0159\u00edzen\u00ed nap\u00e1jen\u00ed, zpracov\u00e1n\u00ed sign\u00e1lu a pr\u016fmysl.<\/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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Dal\u0161\u00ed aplikace v\u00fdkonov\u00fdch tranzistor\u016f<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Popsan\u00e9 elektronick\u00e9 sou\u010d\u00e1stky se b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed v r\u016fzn\u00fdch typech linkov\u00fdch zesilova\u010d\u016f<\/strong>. Dal\u0161\u00ed aplikac\u00ed jsou bistabiln\u00ed klopn\u00e9 obvody<\/strong>, tj. obvody schopn\u00e9 zachycovat a p\u0159edev\u0161\u00edm ukl\u00e1dat zm\u011bny prob\u00edhaj\u00edc\u00ed na vstupech. Krom\u011b toho se tranzistory pou\u017e\u00edvaj\u00ed v monostabiln\u00edch klopn\u00fdch obvodech<\/strong>, mimo jin\u00e9 v obvodech, kter\u00e9 jsou zodpov\u011bdn\u00e9 za generov\u00e1n\u00ed impulz\u016f vyzna\u010duj\u00edc\u00edch se nastavenou d\u00e9lkou. Tranzistor je tak\u00e9 sou\u010d\u00e1st\u00ed astabiln\u00edch klopn\u00fdch obvod\u016f<\/strong>. Jedn\u00e1 se o za\u0159\u00edzen\u00ed, p\u0159esn\u011bji \u0159e\u010deno gener\u00e1tory, kter\u00e9 umo\u017e\u0148uj\u00ed samovoln\u00e9 sp\u00edn\u00e1n\u00ed v\u00fdstup\u016f na ur\u010dit\u00e9 frekvenci.<\/p>\n

Kde jinde se pou\u017e\u00edvaj\u00ed v\u00fdkonov\u00e9 tranzistory? P\u0159edev\u0161\u00edm v diferenci\u00e1ln\u00edch zesilova\u010d\u00edch<\/strong>. Tam funguj\u00ed jako zesilova\u010d rozd\u00edlu dvou nap\u011bt\u00ed, kter\u00e1 jsou p\u0159ivedena na (samostatn\u00e9) vstupy obvodu. Dal\u0161\u00ed aplikac\u00ed jsou demodul\u00e1tory, modul\u00e1tory a aktivn\u00ed filtry<\/strong>. Syst\u00e9my tohoto typu se pou\u017e\u00edvaj\u00ed mimo jin\u00e9 pro zpracov\u00e1n\u00ed analogov\u00fdch sign\u00e1l\u016f (nap\u0159. v r\u00e1diov\u00e9 technice).<\/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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TIP122 - cena<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Cena tranzistoru TIP122 NPN se v z\u00e1vislosti na konkr\u00e9tn\u00edm prodejci pohybuje od des\u00edtek do maxim\u00e1ln\u011b n\u011bkolika des\u00edtek korun<\/strong>. U online objedn\u00e1vek je t\u0159eba k \u010d\u00e1stce n\u00e1kupu p\u0159ipo\u010d\u00edtat n\u00e1klady na dopravu. V p\u0159\u00edpad\u011b hromadn\u00fdch objedn\u00e1vek v po\u010dtu n\u011bkolika set nebo n\u011bkolika tis\u00edc kus\u016f jsou v\u0161ak cenov\u00e9 nab\u00eddky obvykle individu\u00e1ln\u00ed. N\u011bkte\u0159\u00ed prodejci nab\u00edzej\u00ed automatick\u00e9 slevy za velkoobchodn\u00ed objedn\u00e1vky.<\/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":"

TIP122 je zkratka pro bipol\u00e1rn\u00ed v\u00fdkonov\u00fd tranzistor typu Darlington NPN ve standardn\u00edm krytu TO-220.<\/p>\n","protected":false},"author":21,"featured_media":74209,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,179],"tags":[],"class_list":["post-74417","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika","category-kompendium"],"acf":[],"yoast_head":"\nTIP122 - Co je to? Technick\u00e9 \u00fadaje, cena a n\u00e1zory - Botland<\/title>\n<meta name=\"description\" content=\"V\u00fdkonov\u00fd tranzistor Darlington TIP122 - aplikace, technick\u00e1 specifikace, cena a recenze. 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