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Ungere contacte de la comutator


spinach

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Utilizez un comutator rotativ , 12 pozitii , diamtru 20mm , distanta intre contacte 0.8mm . Contactele sint din ceva galben ; reclama ca ar fi aurite . Frecventa max 20 mhz , impedanta uzuala 1 Mom ;capacitate uzuala 20 pf .

Vreau sa ung contactele si nu stiu cu ce . Am incercat cu ulei siliconic , dar se scurge ; trebuie o vaselina .

Cu ce as putea sa ung contactele , ca sa nu se oxideze , sa nu deranjeze impedanta si capacitatea .

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Daca sunt aurite,lasa-le asa cum sunt. Eventual poti unge numai lagarele comutatorului.

@dan cod are dreptate. Nu este capsulat, atunci se va depune praf.

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