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[[Brazing Alloys and Fluxes]]<br>
 
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[[Physical Properties of the Most Important Metals]]<br>
 
 
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Latest revision as of 16:18, 26 September 2014

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

Contact Physics – Formulas

Contact Physics – Formulas

  • Constriction resistance
R_e = \rho/2a

(Single spot contact according to Holm; circular touching spot between clean

contact surfaces)

R_e = \rho/2Na

(Multi-spot contact according to Holm without influence between the N

individual spots)

R_e = \rho/2 x \sum a_i + 3 \pi \rho /32N^2 x \sum \sum (s_ij) i \neq j

(Multi-spot contact according to Greenwood considering the influence between

the spots)

  • Contact resistanc...

Featured Files

Micro structure of Ag ZnO 92 8 Pw25.jpg
Micro structure of Ag/ZnO 92/8 Pw25: a) perpendicular to extrusion direction b) parallel to extrusion direction
Pages: Silver Based Materials,
Werkstoffe auf Silber-Basis
by Doduco Redaktion


Hardness of precipitation hardened CuCr 0.6.jpg
Hardness of precipitation hardened CuCr 0.6 as a function of annealing conditions
Pages: Precipitation Hardening Copper Alloys,
Aushärtbare Kupfer-Legierungen
by Doduco Redaktion


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