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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

Test Procedures for the Communications Technology

Testing of the contact behavior in the communications technology is usually performed on the actual devices such as for example in relays. Experience has shown that the interaction between all design and functional parameters such as contact forces, relative movement and electrical loads are determining the failure mode. Therefore only statistical performance tests on a larger number of switching devices lead to meaningful results.

One must differentiate between static tests (for ex. contact resistance) and dynamic ones (for ex. elec...

Featured Files

Failure probability of a contact as a function of the voitage.jpg
Failure probability of a contact as a function of the voltage (according to Kirchdorfer); Ag/Ni10; 10 mA
Pages: General Rules for Dimensioning of Contacts,
Faustregeln für die Kontaktdimensionierung

by Doduco Redaktion


Application Examples and Forms of Supply for Tungsten.jpg
Application Examples and Forms of Supply for Tungsten-Copper (CUWODUR) Contact Materials

by Doduco Redaktion