[elecena] 2N3500U4/TR - zmiany ceny Tranzystor: NPN; bipolarny; 150V; 1W 2N3500U4/TR - 368.52 PLN https://elecena.pl/product/30189052/2n3500u4-tr 2026-05-06 2N3500U4/TR - 373.35 PLN https://elecena.pl/product/30189052/2n3500u4-tr 2026-06-21