Difference between revisions of "Wiki der elektrischen Kontakte"

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Revision as of 16:21, 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

Precipitation hardening of NiBe2 soft at 480C.jpg
Precipitation hardening of NiBe2 (soft) at 480°C
Pages: Contact Carrier Materials,
Trägerwerkstoffe
by Doduco Redaktion


Softening of Ag C DF after annealing.jpg
Softening of Ag/C DF after annealing
Pages: Silver Based Materials,
Werkstoffe auf Silber-Basis
by Doduco Redaktion


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