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multumesc, dar nu prea sunt ce trebuie :   IRF3205 - N-MOSFET 55V 98A 150W TO220AB

                                                                                        IRFZ48 - N-FET 55V 64A 140W 0.018E

 

...nu cred ca ma ajuta !!!

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Ai zis ca originalul provine dintr-un invertor 12/220.

Tranzistorul ala fiind de tensiune redusa, nu poate fi decat de la convertorul ridicator, push-pull.

Oricare din cei variantele propuse de mine sunt functionale la convertoarele push-pull de la 12V, au tot fost folosite de multi ( si eu le-am folosit in multe surse ridicatoare de la amplificatoare auto defecte ).

Ceea ce poate face diferenta este numarul de tranzistori cu care placa este prevazuta.

Deci cati ai?

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