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

Formeln aus der Kontaktphysik

Formeln aus der Kontaktphysik

  • Engewiderstand
R_e = \rho/2a

(Einflächenkontakt nach Holm, kreisförmige Berührungsfläche zwischen fremdschichtfreien Oberflächen)

R_e = \rho/2Na

(Mehrflächenkontakt nach Holm ohne gegenseitige Beeinflussung der N Einzelflächen)

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

(Mehrflächenkontakt nach Greenwood unter Berücksichtigung der gegenseitigen Beeinflussung)

  • Kontaktwiderstand
...

Featured Files

Strain hardening of internally oxidized Ag SnO2 88 12P.jpg
Strain hardening of internally oxidized Ag/SnO2 88/12P by cold working
Pages: Silver Based Materials,
Werkstoffe auf Silber-Basis
by Doduco Redaktion


Softening of AgCdO8812WP after annealing.jpg
Softening of Ag/CdO 88/12WP after annealing for 1 hr after different degrees of cold working
Pages: Silver Based Materials,
Werkstoffe auf Silber-Basis
by Doduco Redaktion


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