All electrolytic capacitors(e-caps) are polarized capacitors whose anode electrode (+) are made of a special metal on which an insulating oxide layer originates by anodization (forming), which acts as the dielectric of the electrolytic capacitor. Features of 100uf/25v electrolytic capacitor: type: electrolytic. Operating voltage: 25v. Capacitance: 100 uf. Applications of 100uf/25v electrolytic capacitor: noise filteration. As a coupling capacitor. Charge storage. Multiple diy projects and circuit construction. Note: images shown is only for representation. The actual product may vary with the picture shown.