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ELFORUM - Forumul electronistilor

Dioda ... de putere mare ?


Guest domnu_doctor

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Guest domnu_doctor

Intrebare !Am de trecut un curent de 1A, printr-o dioda, care tre' sa lucreze in caldura cam excesiva, cam 40-50 grade. Spatiul si posibilitatile de ventilatie si racire sunt drastic limitate.In afara de montarea unei "caramizi" de 10 sau 20 A, ce alte solutii imi sugerati ?Stima,

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Guest domnu_doctor

Curentu' provine dintr-un generator de curent constant si este cc. Frecventa=0. Ideea este ca tre 'sa produc o cadere de tensiune de cca. 08-0,9V, la curentu' de 1A, care insa poate sa se mai si modifice si tre' sa respecte caracteristica U-I a diodei.Stima,

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