[elecena] 2N2221AUB - zmiany ceny Tranzystor: NPN; bipolarny; 50V; 800mA; 500mW 2N2221AUB - 37.05 PLN https://elecena.pl/product/30204906/2n2221aub 2026-05-06 2N2221AUB - 37.07 PLN https://elecena.pl/product/30204906/2n2221aub 2026-06-21 2N2221AUB - 37.75 PLN https://elecena.pl/product/30204906/2n2221aub 2026-07-14 2N2221AUB - 37.91 PLN https://elecena.pl/product/30204906/2n2221aub 2026-07-25 2N2221AUB - 37.05 PLN https://elecena.pl/product/30204906/2n2221aub 2026-08-18 2N2221AUB - 37.12 PLN https://elecena.pl/product/30204906/2n2221aub 2026-08-30