45b5192f_apacitor_Engineering_Reference__Type_of_capacitor
[Characteristic] The Oxidize niobium formed on the sintered body surface of niobium metallic powder is used as dielectric. It has the characteristics of high flame resistance while having similar efficiency with tantalum electrolytic capacitor. [Type of capacitor] 
Oxidize niobium capacitor
Types of capacitor｜Engineering Reference
Type of capacitor