[elecena] 1N4748A-TR - zmiany ceny Diody Zenera; VISHAY; 1N4748A-TR; 2; 22 V; 5 µA; Through Hole 1N4748A-TR - 1.62 PLN https://elecena.pl/product/30392631/1n4748a-tr 2026-06-09 1N4748A-TR - 1.59 PLN https://elecena.pl/product/30392631/1n4748a-tr 2026-09-25