Assertion: capacitor's dielectric | /r/HasProperty | nb 2 o
Facets:
Source sentences:
text: Niobium electrolytic capacitors can be made with high purity niobium as the anode but the diffusion of oxygen from the dielectric (Nb 2 O 5 ) into the niobium anode metal is very high, resulting in leakage current instability or even capacitor failures.