Difference between revisions of "Data Book of Electrical Contacts"

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Revision as of 16:54, 24 January 2014

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.
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

Strain hardening of CuZn36 by cold forming.jpg
Strain hardening of CuZn36 by cold forming
Pages: Naturally Hard Copper Alloys,
Naturharte Kupfer-Legierungen
by Doduco Redaktion


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

Starthilfen


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