Data Book of Electrical Contacts

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Featured Article

Welcome to our Wiki of electrical contacts

The basis of this Wiki is the 2012 issue of the "DODUCO Data Book of Electrical Contacts" which is also available in printed form.
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For further questions or help, please contact us directly under Contact DODUCO


Featured Article

Evaluation of Braze or Weld Joints

The switching properties of brazed and welded contact assemblies is strongly dependent on the quality of the joint between the contact and the carrier. The required high quality is evaluated through optical methods, continuous control of relevant process parameters and by sampling of finished products.

Brazed Joints

Despite optimized brazing parameters non-wetted defect areas in the braze joint cannot be avoided completely. These wetting defects can mostly be traced to voids caused by flux inclusions in the braze joint area. ...

Featured Files

Brush Tampon plating cell.jpg
Brush (or “Tampon”) plating cell; 1 Strip; 2 Anode; 3 Electrolyte feed; 4 Felt covered cell
Pages: Electroplating (or Galvanic Deposition),
Galvanische Beschichtung

by Doduco Redaktion


Maximum movable bridge temperature rise for different contact materials.jpg
Maximum movable bridge temperature rise for different contact materials in a 132 kW contactor after high load (AC-4) switching

1 Ag/CdO 88/12 sintered and extruded 2 Ag/SnO27.5In2O32.5 internally oxidized 3 Ag/SnO2 88/12 sintered and extruded

4 Ag/SnO2...
Pages: Testing Procedures for Power Engineering,
Prüfverfahren in der Energietechnik

by Doduco Redaktion

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