[elecena] BUZ-74 N 2,4A/500V/40W TO-220 TRANZYSTOR - zmiany ceny BUZ-74 N 2,4A/500V/40W TO-220 TRANZYSTOR - 2.34 PLN https://elecena.pl/product/4841707/buz-74-n-2-4a-500v-40w-to-220-tranzystor 2014-10-14 BUZ-74 N 2,4A/500V/40W TO-220 TRANZYSTOR - 4.03 PLN https://elecena.pl/product/4841707/buz-74-n-2-4a-500v-40w-to-220-tranzystor 2018-05-04 BUZ-74 N 2,4A/500V/40W TO-220 TRANZYSTOR - 4.00 PLN https://elecena.pl/product/4841707/buz-74-n-2-4a-500v-40w-to-220-tranzystor 2026-08-11