[elecena] PT91-21B/F10 - zmiany ceny Fototranzystor; SMD; 940nm; 30V; Soczewka: czarna; t(on): 15us PT91-21B/F10 - 0.57 PLN https://elecena.pl/product/29507843/pt91-21b-f10 2025-11-14 PT91-21B/F10 - 0.58 PLN https://elecena.pl/product/29507843/pt91-21b-f10 2026-03-05