Data Book of Electrical Contacts

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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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Featured Article

Brazing Alloys and Fluxes


Brazing Alloys

For the joining of contact materials with carrier substrates, brazing alloys with working temperatures > 600 °C are used exclusively. The working temperature is defined as the lowest surface temperature, by which the brazing material wets the materials to be joined. This temperature is within the melting range and between the solidus (temperature at which melting starts) and liquidus (temperature at complete liquid state) point of the brazing alloy. Silver-based brazing alloys have good electrical co...

Featured Files

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


Softening of AgCdO9010P after annealing.jpg
Softening of Ag/CdO 90/10 P after annealing for 1 hr after 40% cold working
Pages: Silver Based Materials,
Werkstoffe auf Silber-Basis

by Doduco Redaktion