[elecena] PCA9539AHF,128-U1 - zmiany ceny Ekspandery portów we/wy; PCA9539AHF,128; NXP SEMICONDUCTORS; I2C, SMBus; 24; 16; 400 kHz PCA9539AHF,128-U1 - 11.57 PLN https://elecena.pl/product/30369963/pca9539ahf-128-u1 2026-06-05 PCA9539AHF,128-U1 - 11.73 PLN https://elecena.pl/product/30369963/pca9539ahf-128-u1 2026-09-21