[elecena] PT15-21B/TR8-U1 - zmiany ceny Fototranzystory; PT15-21B/TR8; EVERLIGHT; Surface Mount; 2; 940 nm; NPN PT15-21B/TR8-U1 - 0.18 PLN https://elecena.pl/product/30345490/pt15-21b-tr8-u1 2026-06-01 PT15-21B/TR8-U1 - 0.16 PLN https://elecena.pl/product/30345490/pt15-21b-tr8-u1 2026-07-18