[elecena] 2N3506U4 - zmiany ceny Tranzystor: NPN; bipolarny; 40V; 3A; 1W 2N3506U4 - 572.29 PLN https://elecena.pl/product/30328912/2n3506u4 2026-05-29 2N3506U4 - 584.87 PLN https://elecena.pl/product/30328912/2n3506u4 2026-07-02