[elecena] SMF18A-U1 - zmiany ceny Diody TVS i ograniczniki ESD; SMF18A; LITTELFUSE; 18 V; 29.2 V; 20 V; 21.05 V SMF18A-U1 - 0.39 PLN https://elecena.pl/product/30517243/smf18a-u1 2026-07-19 SMF18A-U1 - 0.41 PLN https://elecena.pl/product/30517243/smf18a-u1 2026-11-02