[elecena] PT12-21B/TR8 - zmiany ceny Fototranzystory; EVERLIGHT; PT12-21B/TR8; 30 V; 100 nA; 50 mA; 75 mW PT12-21B/TR8 - 0.16 PLN https://elecena.pl/product/30393203/pt12-21b-tr8 2026-06-10 PT12-21B/TR8 - 0.14 PLN https://elecena.pl/product/30393203/pt12-21b-tr8 2026-07-28