[elecena] 1N4988US/TR - zmiany ceny Dioda: Zenera; 5W; 180V; SMD; 2uA 1N4988US/TR - 16.01 PLN https://elecena.pl/product/30271519/1n4988us-tr 2026-05-18 1N4988US/TR - 51.24 PLN https://elecena.pl/product/30271519/1n4988us-tr 2026-06-10