[elecena] Surface diffused zener diode, 3.9 V, 1 W, DO-213AA, ZMD3.9 - zmiany ceny Surface diffused zener diode, 3.9 V, 1 W, DO-213AA, ZMD3.9 - 0.42 EUR https://elecena.pl/product/19253948/surface-diffused-zener-diode-3-9-v-1-w-do-213aa-zmd3-9 2021-08-21 Surface diffused zener diode, 3.9 V, 1 W, DO-213AA, ZMD3.9 - 0.37 EUR https://elecena.pl/product/19253948/surface-diffused-zener-diode-3-9-v-1-w-do-213aa-zmd3-9 2026-01-05