[elecena] EL817S-B-TU-VG - zmiany ceny Transoptor; SMD; Ch: 1; OUT: tranzystorowe; 5kV; SMD4 EL817S-B-TU-VG - 0.57 PLN https://elecena.pl/product/29564487/el817s-b-tu-vg 2025-12-04 EL817S-B-TU-VG - 0.58 PLN https://elecena.pl/product/29564487/el817s-b-tu-vg 2026-03-05