{"id":2013,"date":"2026-10-03T00:40:23","date_gmt":"2026-10-03T00:40:23","guid":{"rendered":"http:\/\/ritoks.com\/"},"modified":"2026-10-07T00:28:21","modified_gmt":"2026-10-07T00:28:21","slug":"solid-state-relay-rfq-checklist","status":"publish","type":"post","link":"https:\/\/ritoks.com\/cs\/solid-state-relay-rfq-checklist\/","title":{"rendered":"Kontroln\u00ed seznam pro popt\u00e1vku na polovodi\u010dov\u00e1 rel\u00e9"},"content":{"rendered":"

V popt\u00e1vce na polovodi\u010dov\u00e9 rel\u00e9 je t\u0159eba samostatn\u011b uv\u00e9st popis z\u00e1t\u011b\u017eov\u00e9ho a \u0159\u00eddic\u00edho obvodu. Vstup polovodi\u010dov\u00e9ho rel\u00e9 m\u016f\u017ee b\u00fdt kompatibiln\u00ed s regul\u00e1torem, zat\u00edmco jeho v\u00fdstup nemus\u00ed b\u00fdt vhodn\u00fd z hlediska nap\u011bt\u00ed z\u00e1t\u011b\u017ee, zap\u00ednac\u00edho proudu, zp\u016fsobu sp\u00edn\u00e1n\u00ed nebo teplotn\u00edch podm\u00ednek. Samotn\u00e9 jmenovit\u00e9 proudov\u00e9 hodnoty uveden\u00e9 v katalogu tyto ot\u00e1zky nevy\u0159e\u0161\u00ed.<\/p>\n

Tento kontroln\u00ed seznam pom\u00e1h\u00e1 technik\u016fm a t\u00fdm\u016fm zodpov\u011bdn\u00fdm za n\u00e1kup p\u0159i zad\u00e1v\u00e1n\u00ed popt\u00e1vek na srovnateln\u00e9 typy SSR. Zam\u011b\u0159uje se na informace, kter\u00e9 je t\u0159eba zaslat, a na doklady specifick\u00e9 pro jednotliv\u00e9 modely, kter\u00e9 je t\u0159eba vy\u017eadovat. Nevych\u00e1z\u00ed z p\u0159edpokladu, \u017ee jeden typ SSR m\u016f\u017ee nahradit styka\u010d nebo jin\u00fd typ SSR bez prov\u011b\u0159en\u00ed obvodu a instalace.<\/p>\n

Ur\u010dete z\u00e1t\u011b\u017e p\u0159ed rel\u00e9<\/h2>\n

Uve\u010fte, zda se jedn\u00e1 o odporov\u00e9 topn\u00e9 t\u011bleso, solenoid, \u017e\u00e1rovku, motor, transform\u00e1tor nebo jin\u00e9 za\u0159\u00edzen\u00ed. Uve\u010fte jmenovit\u00e9 nap\u011bt\u00ed, provozn\u00ed proud, frekvenci u st\u0159\u00eddav\u00fdch obvod\u016f a p\u0159edpokl\u00e1dan\u00fd pr\u016fb\u011bh proudu. Typ z\u00e1t\u011b\u017ee je d\u016fle\u017eit\u00fd, proto\u017ee se li\u0161\u00ed zap\u00ednac\u00ed proud, induk\u010dnost a chov\u00e1n\u00ed p\u0159i komutaci. Rel\u00e9 vhodn\u00e9 pro jeden st\u0159\u00eddav\u00fd oh\u0159\u00edva\u010d nemus\u00ed b\u00fdt vhodn\u00e9 pro obvod transform\u00e1toru nebo motoru s podobn\u00fdm ust\u00e1len\u00fdm proudem.<\/p>\n

Provide starting or inrush current with duration and repetition if known. If it is unknown, flag the need for measurement or load-manufacturer information. Do not apply an illustrative inrush multiplier from a guide to a different real load without verification. The exact SSR’s surge-current evidence must be compared with the duty imposed by the application.<\/p>\n

Identify the minimum load current as well as the maximum. Some output technologies need sufficient current to switch or remain latched as intended. Very small loads may also respond to off-state leakage. Omron’s SSR guidance explains why load type, minimum current and leakage need application review; exact thresholds depend on the model.<\/p>\n

Rozli\u0161ujte mezi technologiemi v\u00fdstupu st\u0159\u00eddav\u00e9ho a stejnosm\u011brn\u00e9ho proudu<\/h2>\n

Uve\u010fte, zda se jedn\u00e1 o st\u0159\u00eddav\u00e9 nebo stejnosm\u011brn\u00e9 zat\u00ed\u017een\u00ed. St\u0159\u00eddav\u00fd SSR zalo\u017een\u00fd na v\u00fdstupu triaku nebo tyristoru nen\u00ed univerz\u00e1ln\u00edm sp\u00edna\u010dem pro stejnosm\u011brn\u00e9 zat\u00ed\u017een\u00ed. Rel\u00e9 m\u016f\u017ee m\u00edt st\u0159\u00eddav\u00fd \u0159\u00eddic\u00ed vstup a st\u0159\u00eddav\u00fd v\u00fdstup, stejnosm\u011brn\u00fd \u0159\u00eddic\u00ed vstup a st\u0159\u00eddav\u00fd v\u00fdstup nebo jinou kombinaci. Samotn\u00fd \u0161t\u00edtek na vstupn\u00ed stran\u011b neur\u010duje, co lze sp\u00ednat.<\/p>\n

Zjist\u011bte si p\u0159esn\u00fd rozsah v\u00fdstupn\u00edho nap\u011bt\u00ed, frekvenci, blokovac\u00ed schopnost v vypnut\u00e9m stavu, svodov\u00fd proud, pokles nap\u011bt\u00ed v zapnut\u00e9m stavu a odolnost proti p\u0159ep\u011bt\u00ed. U aplikac\u00ed s v\u00fdstupem stejnosm\u011brn\u00e9ho proudu vy\u017eadujte v\u00fdstupn\u00ed technologii a jmenovit\u00e9 hodnoty v\u00fdslovn\u011b dokumentovan\u00e9 pro stejnosm\u011brn\u00fd proud. Nevyvozujte z\u00e1v\u011bry o schopnosti pracovat se stejnosm\u011brn\u00fdm proudem pouze na z\u00e1klad\u011b toho, \u017ee regul\u00e1tor poskytuje \u0159\u00eddic\u00ed sign\u00e1l ve stejnosm\u011brn\u00e9m proudu.<\/p>\n

Ujasn\u011bte si, zda z\u00e1t\u011b\u017eov\u00fd obvod vy\u017eaduje jeden p\u00f3l, v\u00edce p\u00f3l\u016f nebo konkr\u00e9tn\u00ed uspo\u0159\u00e1d\u00e1n\u00ed f\u00e1z\u00ed. Pou\u017eit\u00ed jednof\u00e1zov\u00e9ho SSR v v\u00edcef\u00e1zov\u00e9m zapojen\u00ed vy\u017eaduje p\u0159ezkoum\u00e1n\u00ed n\u00e1vrhu syst\u00e9mu a ochrann\u00fdch opat\u0159en\u00ed. Po\u010det svorek na krytu nesta\u010d\u00ed k ur\u010den\u00ed, jak by m\u011bla b\u00fdt z\u00e1t\u011b\u017e p\u0159ipojena.<\/p>\n

Zadejte \u0159\u00eddic\u00ed sign\u00e1l a chov\u00e1n\u00ed sp\u00edn\u00e1n\u00ed<\/h2>\n

Uve\u010fte typ v\u00fdstupu regul\u00e1toru a jeho dostupn\u00e9 nap\u011bt\u00ed a proud ve zapnut\u00e9m i vypnut\u00e9m stavu. Ov\u011b\u0159te provozn\u00ed rozsah vstupu SSR, p\u0159\u00edpadn\u011b polaritu, vstupn\u00ed proud a informace o izolaci. V\u00fdstup PLC nebo teplotn\u00ed regul\u00e1tor m\u016f\u017ee m\u00edt vlastn\u00ed \u00fanik; otestujte kombinovan\u00fd obvod, m\u00edsto abyste p\u0159edpokl\u00e1dali, \u017ee jmenovit\u00fd \u00fadaj \u201c24 V\u201d na \u0161t\u00edtku zaru\u010duje \u010dist\u00e9 sp\u00edn\u00e1n\u00ed.<\/p>\n

Uve\u010fte, zda je pro st\u0159\u00eddavou z\u00e1t\u011b\u017e po\u017eadov\u00e1no sp\u00edn\u00e1n\u00ed v okam\u017eiku pr\u016fchodu nulou nebo n\u00e1hodn\u00e9 sp\u00edn\u00e1n\u00ed. Sp\u00edn\u00e1n\u00ed v okam\u017eiku pr\u016fchodu nulou se prov\u00e1d\u00ed v bl\u00edzkosti bodu, kde st\u0159\u00eddav\u00e9 nap\u011bt\u00ed proch\u00e1z\u00ed nulou, a v n\u011bkter\u00fdch aplikac\u00edch s odporovou z\u00e1t\u011b\u017e\u00ed m\u016f\u017ee sn\u00ed\u017eit sp\u00ednac\u00ed \u0161um. Provoz s n\u00e1hodn\u00fdm zap\u00edn\u00e1n\u00edm m\u016f\u017ee b\u00fdt vhodn\u00fd pro \u0159\u00edzen\u00ed f\u00e1z\u00ed nebo jin\u00e9 \u010dasov\u00e9 po\u017eadavky. \u017d\u00e1dn\u00fd z t\u011bchto re\u017eim\u016f nen\u00ed univerz\u00e1ln\u011b preferovan\u00fd; rozhoduj\u00edc\u00ed jsou z\u00e1t\u011b\u017e a strategie regul\u00e1toru.<\/p>\n

Zaznamenejte po\u017eadovanou sp\u00ednac\u00ed frekvenci a pracovn\u00ed cyklus. \u010cast\u00e9 sp\u00edn\u00e1n\u00ed m\u016f\u017ee b\u00fdt pro SSR v\u00fdhodou, proto\u017ee na rozd\u00edl od styka\u010de neobsahuje \u017e\u00e1dn\u00e9 mechanick\u00e9 v\u00fdkonov\u00e9 kontakty, kter\u00e9 by se opot\u0159ebov\u00e1valy, ale z\u00e1rove\u0148 p\u0159i zapnut\u00e9m stavu neust\u00e1le generuje teplo, co\u017e m\u016f\u017ee zkomplikovat po\u017eadavky na ochranu nebo na stav poruchy. Porovnejte konkr\u00e9tn\u00ed technologii s danou aplikac\u00ed, m\u00edsto abyste pojem \u201cpolovodi\u010dov\u00fd\u201d pova\u017eovali za v\u0161eobecnou v\u00fdhodu.<\/p>\n

\"Sch\u00e9ma
Zadejte vstupy pro \u0159\u00eddic\u00ed jednotku, v\u00fdstup SSR a zat\u00ed\u017een\u00ed jako samostatn\u00e9 polo\u017eky v popt\u00e1vce.<\/figcaption><\/figure>\n

Zohlednit \u00faniky mimo pracovn\u00ed stav a chov\u00e1n\u00ed p\u0159i poru\u0161e<\/h2>\n

SSRs can pass a small off-state current. Sensitive lamps, indicators, PLC inputs and other low-power loads may glow, remain partially energized or fail to reset if leakage is not considered. Ask for the exact model’s leakage data at the relevant output voltage and compare it with the load’s release behavior. Do not assume an OFF command creates the same physical gap as an open mechanical contact.<\/p>\n

Stanovte po\u017eadovanou reakci na poruchu SSR, v\u010detn\u011b toho, zda je zapot\u0159eb\u00ed nez\u00e1visl\u00e9 odpojovac\u00ed nebo ochrann\u00e9 za\u0159\u00edzen\u00ed. N\u011bkter\u00e9 typy poruch polovodi\u010d\u016f mohou zp\u016fsobit, \u017ee z\u00e1t\u011b\u017e z\u016fstane pod nap\u011bt\u00edm. Anal\u00fdza bezpe\u010dnosti syst\u00e9mu by se nem\u011bla spol\u00e9hat na SSR jako na jedin\u00e9 izola\u010dn\u00ed za\u0159\u00edzen\u00ed, pokud p\u0159esn\u00e1 architektura a schv\u00e1len\u00ed v\u00fdslovn\u011b nepodporuj\u00ed zam\u00fd\u0161lenou funkci.<\/p>\n

Zaznamenejte, kdo je zodpov\u011bdn\u00fd za pojistkovou nebo zkratovou ochranu. Polovodi\u010dov\u00e9 prvky SSR mohou b\u00fdt po\u0161kozeny energi\u00ed poruchy d\u0159\u00edve, ne\u017e zas\u00e1hne b\u011b\u017en\u00e1 ochrana um\u00edst\u011bn\u00e1 p\u0159ed nimi. Z\u00edskejte doporu\u010den\u00ed v\u00fdrobce ohledn\u011b koordinace pro navrhovan\u00fd model a p\u0159\u00edslu\u0161nou \u00farove\u0148 poruchy; ochranu neodvozujte pouze z jmenovit\u00e9ho proudu.<\/p>\n

Uve\u010fte informace o chlazen\u00ed spolu s aktu\u00e1ln\u00ed \u017e\u00e1dost\u00ed<\/h2>\n

SSR rozptyluje energii p\u0159i pr\u016fchodu proudu. Mno\u017estv\u00ed tepla z\u00e1vis\u00ed na technologii v\u00fdstupu a provozn\u00edm re\u017eimu. Uve\u010fte maxim\u00e1ln\u00ed m\u00edstn\u00ed teplotu okol\u00ed, teplotu sk\u0159\u00edn\u011b, proud\u011bn\u00ed vzduchu, mont\u00e1\u017en\u00ed plochu a zda je ji\u017e k dispozici chladi\u010d. Vy\u017e\u00e1dejte si k\u0159ivku sn\u00ed\u017een\u00ed v\u00fdkonu pro konkr\u00e9tn\u00ed model nebo tepeln\u00e9 pokyny pro dan\u00e9 podm\u00ednky.<\/p>\n

Omron’s SSR application guide links load-current ratings to ambient conditions and heatsink choice, and recommends confirming temperature under power application. That principle is transferable; Omron’s particular sink examples and ratings are not specifications for a RITOKS product. Require the proposed SSR’s own thermal data and mounting method.<\/p>\n

Uva\u017eujme n\u011bkolik SSR namontovan\u00fdch vedle sebe. Jejich spole\u010dn\u00e9 teplo m\u016f\u017ee zv\u00fd\u0161it m\u00edstn\u00ed teplotu vzduchu. Zaznamenejte rozestupy a v\u011btr\u00e1n\u00ed sk\u0159\u00edn\u011b a pot\u00e9 ov\u011b\u0159te sestaven\u00fd panel p\u0159i reprezentativn\u00edm zat\u00ed\u017een\u00ed. Laboratorn\u00ed v\u00fdkonov\u00e9 \u00fadaje m\u011b\u0159en\u00e9 na voln\u00e9m vzduchu by se nem\u011bly p\u0159\u00edmo p\u0159en\u00e1\u0161et na p\u0159epln\u011bnou uzav\u0159enou sk\u0159\u00ed\u0148.<\/p>\n

Zadejte bal\u00ed\u010dek, termin\u00e1ly a p\u0159\u00edstup ke slu\u017eb\u011b<\/h2>\n

Uve\u010fte povolenou mont\u00e1\u017en\u00ed plochu, v\u00fd\u0161ku, typ svorek, pr\u016f\u0159ezy vodi\u010d\u016f a dostupn\u00fd voln\u00fd prostor. Uve\u010fte, zda m\u00e1 b\u00fdt v\u00fdrobek namontov\u00e1n na desku plo\u0161n\u00fdch spoj\u016f, panel nebo DIN li\u0161tu. Rel\u00e9 pro mont\u00e1\u017e na desku plo\u0161n\u00fdch spoj\u016f i v\u00fdkonov\u00e9 SSR pro mont\u00e1\u017e na panel lze sice oba ozna\u010dit jako \u201cpolovodi\u010dov\u00e1 rel\u00e9\u201d, vy\u017eaduj\u00ed v\u0161ak velmi odli\u0161n\u00e9 mechanick\u00e9 a tepeln\u00e9 podm\u00ednky.<\/p>\n

Vy\u017e\u00e1dejte si p\u0159esn\u00fd sch\u00e9ma zapojen\u00ed, mont\u00e1\u017en\u00ed n\u00e1vod a \u010d\u00edsla v\u0161ech p\u0159\u00edslu\u0161enstv\u00ed. Uve\u010fte, zda je zapot\u0159eb\u00ed indikace stavu nebo diagnostick\u00fd v\u00fdstup. Pokud se jedn\u00e1 o v\u00fdm\u011bnu, vyfotografujte st\u00e1vaj\u00edc\u00ed \u0161t\u00edtek a p\u0159ilo\u017ete tak\u00e9 sch\u00e9ma zapojen\u00ed; ze star\u00e9ho krytu nemus\u00ed b\u00fdt patrn\u00e9 v\u0161echny elektrick\u00e9 po\u017eadavky.<\/p>\n

Srovn\u00e1vac\u00ed tabulka popt\u00e1vek<\/h2>\n
Pole \u201e\u017d\u00e1dost o cenovou nab\u00eddku\u201c<\/th>Vstupy do projektu<\/th>Doklady od dodavatele<\/th><\/tr><\/thead>
Na\u010d\u00edst<\/td>Typ, nap\u011bt\u00ed, trval\u00fd\/sp\u00ednac\u00ed proud<\/td>Jmenovit\u00fd v\u00fdkon a \u0161pi\u010dkov\u00fd v\u00fdkon<\/td><\/tr>
Ovl\u00e1d\u00e1n\u00ed<\/td>\u00darovn\u011b sign\u00e1lu a strategie sp\u00edn\u00e1n\u00ed<\/td>Rozsah vstupn\u00edch hodnot a provozn\u00ed re\u017eim<\/td><\/tr>
Vypnut\u00fd stav<\/td>Po\u017eadavky na uvoln\u011bn\u00ed n\u00e1kladu a bezpe\u010dnost<\/td>\u00dadaje o \u00faniku a izolaci<\/td><\/tr>
Tepeln\u00e9<\/td>Okoln\u00ed prost\u0159ed\u00ed, mont\u00e1\u017e a proud\u011bn\u00ed vzduchu<\/td>Pokyny k sn\u00ed\u017een\u00ed jmenovit\u00e9ho v\u00fdkonu a k pou\u017eit\u00ed chladi\u010de<\/td><\/tr>
Fyzick\u00e9<\/td>Prostor na desce plo\u0161n\u00fdch spoj\u016f\/panelu a svorky<\/td>Rozm\u011brov\u00fd a zapojovac\u00ed v\u00fdkres<\/td><\/tr>
Ochrana<\/td>\u00darove\u0148 poruchy a za\u0159\u00edzen\u00ed na vstupu<\/td>Pokyny pro koordinaci<\/td><\/tr><\/tbody><\/table><\/figure>\n

Pro ka\u017ed\u00e9ho uchaze\u010de pou\u017eijte stejn\u00e9 vstupn\u00ed parametry projektu. Nezn\u00e1m\u00e9 veli\u010diny zaznamenejte jako nezn\u00e1m\u00e9 a po\u017e\u00e1dejte ka\u017ed\u00e9ho dodavatele, aby ve sv\u00e9 nab\u00eddce uvedl p\u0159\u00edslu\u0161n\u00e9 p\u0159edpoklady. Obecn\u00e1 \u201cekvivalentn\u00ed\u201d nab\u00eddka by nem\u011bla b\u00fdt schv\u00e1lena, dokud nebudou technologie v\u00fdstupu, tepeln\u00fd v\u00fdkon, \u00faniky a proveden\u00ed zkontrolov\u00e1ny s ohledem na konkr\u00e9tn\u00ed aplikaci.<\/p>\n

Zkontrolujte nastaven\u00fd sp\u00ednac\u00ed cyklus<\/h2>\n

P\u0159ed uveden\u00edm do provozu otestujte reprezentativn\u00ed z\u00e1t\u011b\u017eov\u00fd cyklus s vybran\u00fdm SSR a chladic\u00edm syst\u00e9mem. Zaznamenejte proud v zapnut\u00e9m stavu, teplotu okoln\u00edho vzduchu, teplotu pouzdra nebo chladi\u010de a chov\u00e1n\u00ed z\u00e1t\u011b\u017ee po vypnut\u00ed vstupn\u00edho p\u0159\u00edkazu. Kr\u00e1tk\u00fd zku\u0161ebn\u00ed test bez z\u00e1t\u011b\u017ee m\u016f\u017ee potvrdit spr\u00e1vnost zapojen\u00ed \u0159\u00eddic\u00edho veden\u00ed, nem\u016f\u017ee v\u0161ak ov\u011b\u0159it vlivy zap\u00ednac\u00edho proudu, trval\u00e9ho zah\u0159\u00edv\u00e1n\u00ed nebo \u00faniku proudu na skute\u010dnou z\u00e1t\u011b\u017e.<\/p>\n

Include the controller’s actual output in the test. An SSR may behave correctly with a laboratory supply while a PLC output or temperature controller has a different off-state leakage or pulse pattern. If the process uses rapid cycling, observe several cycles at representative temperature, not just the first cold start. Save the settings and test conditions so a later replacement can be checked against the original qualification.<\/p>\n

\"Matice
Porovnejte nab\u00eddky SSR na z\u00e1klad\u011b \u00fadaj\u016f o p\u0159ep\u00edn\u00e1n\u00ed podle p\u0159esn\u00e9ho modelu, teplotn\u00edch charakteristik a \u00fanik\u016f.<\/figcaption><\/figure>\n

Jak po\u017e\u00e1dat spole\u010dnost RITOKS o kandid\u00e1ta<\/h2>\n

Tento kategorie polovodi\u010dov\u00fdch rel\u00e9<\/a> ur\u010duje obchodn\u00ed skupinu. Tato Str\u00e1nka o polovodi\u010dov\u00e9m rel\u00e9 XSSR-P2 AC<\/a> slou\u017e\u00ed jako v\u00fdchoz\u00ed bod pro jeho zdokumentovan\u00e9 pou\u017eit\u00ed, nikoli jako z\u00e1ruka, \u017ee je vhodn\u00fd pro ka\u017ed\u00e9 zat\u00ed\u017een\u00ed, \u0159\u00eddic\u00ed v\u00fdstup nebo uspo\u0159\u00e1d\u00e1n\u00ed chladi\u010de.<\/p>\n

Za\u0161lete pr\u016fb\u011bh z\u00e1t\u011b\u017ee, sign\u00e1l regul\u00e1toru, sp\u00ednac\u00ed re\u017eim, citlivost na \u00faniky, pl\u00e1n chlazen\u00ed a omezen\u00ed t\u00fdkaj\u00edc\u00ed se pouzdra prost\u0159ednictv\u00edm Kontakt na spole\u010dnost RITOKS<\/a>. Vy\u017e\u00e1dejte si p\u0159esn\u00fd objednac\u00ed k\u00f3d v\u010detn\u011b vstupn\u00edch a v\u00fdstupn\u00edch \u00fadaj\u016f, k\u0159ivky sn\u00ed\u017een\u00ed v\u00fdkonu, sch\u00e9matu zapojen\u00ed a mont\u00e1\u017en\u00edch pokyn\u016f. Uve\u010fte v t\u00e9\u017ee popt\u00e1vce jak \u0159\u00eddic\u00ed, tak z\u00e1t\u011b\u017eov\u00e9 obvody.<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n

Znamen\u00e1 vstup pro \u0159\u00edzen\u00ed stejnosm\u011brn\u00fdm proudem, \u017ee rel\u00e9 m\u016f\u017ee sp\u00ednat stejnosm\u011brn\u00fd proud?<\/h3>\n

Ne. Specifikace vstupu a v\u00fdstupu jsou odli\u0161n\u00e9. Ov\u011b\u0159te technologii v\u00fdstupu a jej\u00ed jmenovit\u00e9 nap\u011bt\u00ed a proud pro konkr\u00e9tn\u00ed nap\u00e1jen\u00ed z\u00e1t\u011b\u017ee.<\/p>\n

Vypne SSR z\u00e1t\u011b\u017e skute\u010dn\u011b \u00fapln\u011b?<\/h3>\n

M\u016f\u017ee doch\u00e1zet k \u00faniku proudu ve vypnut\u00e9m stavu. Ov\u011b\u0159te, zda se p\u0159ipojen\u00e1 z\u00e1t\u011b\u017e spr\u00e1vn\u011b odpoj\u00ed, a zajist\u011bte nez\u00e1visl\u00e9 odpojen\u00ed tam, kde to syst\u00e9m vy\u017eaduje.<\/p>\n

Je chladi\u010d voliteln\u00fd, pokud je proud ni\u017e\u0161\u00ed ne\u017e hodnota uveden\u00e1 na \u0161t\u00edtku?<\/h3>\n

Not necessarily. Check ambient, duty, mounting and the exact model’s derating or heatsink instructions. Installed conditions decide the thermal margin.<\/p>\n

Z\u00e1v\u011brem<\/h2>\n

\u017d\u00e1dost o nab\u00eddku na polovodi\u010dov\u00e9 rel\u00e9 je \u00fapln\u00e1 teprve tehdy, jsou-li definov\u00e1ny v\u0161echny parametry: z\u00e1t\u011b\u017e, \u0159\u00edzen\u00ed, sp\u00edn\u00e1n\u00ed, svodov\u00fd proud, ochrana proti poruch\u00e1m a tepeln\u00e9 podm\u00ednky instalace. Po\u017eadavek na uveden\u00ed p\u0159esn\u00e9ho modelu v ka\u017ed\u00e9m z t\u011bchto pol\u00ed zabra\u0148uje tomu, aby bylo rel\u00e9 s odpov\u00eddaj\u00edc\u00edm jmenovit\u00fdm proudem pova\u017eov\u00e1no za schv\u00e1lenou n\u00e1hradu.<\/p>\n

Literatura<\/h2>\n