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.
To get your desired information, please use:

For further questions or help, please contact us directly under Contact DODUCO


Featured Article

Tungsten and Molybdenum Based Materials

Tungsten and Molybdenum (Pure Metals)

Tungsten is characterized by its advantageous properties of high melting and boiling points, sufficient electrical and thermal conductivity and high hardness and density. It is mainly used in the form of brazed contact tips for switching duties, that require a rapid switching sequence, such as horn contacts for cars and trucks.

Molybdenum has a much lesser importance as a contact material since it is less resistant against oxidation than tungsten.

Both metals are how...

Featured Files

Examples of precious metal scrap.jpg


Rough flat surface.jpg
Rough flat surface. a) before and b) during making contact with an ideally smooth flat surface; c) Schematic of the apparent, load bearing and effective contact areas (not to scale; dashed lines are elevation lines)
Pages: Application Tables and Guideline Data for Use of Electrical Contact Design,
Anwendungstabellen und Richtwerte für den Einsatz elektrischer Kontakte

by Doduco Redaktion

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