[elecena] 1N5231B-U1 - zmiany ceny Diody Zenera; 1N5231B; PANJIT; 2; 500 mW; 5.1 V; 5 µA 1N5231B-U1 - 0.14 PLN https://elecena.pl/product/30343250/1n5231b-u1 2026-05-31 1N5231B-U1 - 0.12 PLN https://elecena.pl/product/30343250/1n5231b-u1 2026-07-18