01070134| Datasheet

By datasheet - May 8th, 2008

01070134| Datasheet

Datasheet preview, take a look at Datasheets before downloading (Data Sheet is available on manufacturer site)

General Technical Information General technical information
1 Basic construction

Dielectric

Cathode

Anode + -

A C = 0 r --d C Capacitance 0 Absolute permittivity r Relative dielectric constant A Capacitor electrode surface area d Electrode spacing F As/Vm (27 for Ta2O5, 41 for Nb2O5) m2 m

Graphite

Metal Ta 2 O 5 or (Ta or Nb) Nb 2 O 5

Semiconductor (MnO 2 or polymer)

Fig. 1 Anode Dielectric Cathode

Basic construction of tantalum and niobium capacitors and calculation of capacitance Body of sintered metal powder (Ta or Nb) Metal oxide, generated electrochemically by oxidation on the anode Semi-conducting layer (manganese dioxide) or highly conductive polymer deposited on the oxide layer Graphite and conducting silver layer that is applied on the conductive coating and soldered or glued to the case or the terminals

Contacts to the cathode

107 10/02