[elecena] 1N4742A-TR - zmiany ceny Diody Zenera; VISHAY; 1N4742A-TR; 2; 12 V; 5 µA; Through Hole 1N4742A-TR - 0.27 PLN https://elecena.pl/product/30392632/1n4742a-tr 2026-06-09 1N4742A-TR - 0.26 PLN https://elecena.pl/product/30392632/1n4742a-tr 2026-09-25