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The resistance of the silver contact

The resistance of the silver contact

  • Categories:FAQ
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  • Time of issue:2021-07-30 11:32
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(Summary description)Silver contacts have high electrical and thermal conductivity, low and stable touch resistance, good welding and processing functions. Fine-grained silver contains a small amount of silver in the silver, which greatly refines the material arrangement grains. In the case of almost the same touch resistance, its mechanical strength and temperature resistance are higher than that of silver. Therefore, the solder resistance and arc burn resistance are better than silver.

The resistance of the silver contact

(Summary description)Silver contacts have high electrical and thermal conductivity, low and stable touch resistance, good welding and processing functions. Fine-grained silver contains a small amount of silver in the silver, which greatly refines the material arrangement grains. In the case of almost the same touch resistance, its mechanical strength and temperature resistance are higher than that of silver. Therefore, the solder resistance and arc burn resistance are better than silver.

  • Categories:FAQ
  • Author:
  • Origin:
  • Time of issue:2021-07-30 11:32
  • Views:
Information
Silver contacts have high electrical and thermal conductivity, low and stable touch resistance, good welding and processing functions. Fine-grained silver contains a small amount of silver in the silver, which greatly refines the material arrangement grains. In the case of almost the same touch resistance, its mechanical strength and temperature resistance are higher than that of silver. Therefore, the solder resistance and arc burn resistance are better than silver.
 
The silver-cadmium alloy water is beaten with high-pressure water into nano-level fine silver-cadmium alloy particles, and then the silver-cadmium alloy particles are oxidized into silver cadmium oxide alloy in a high temperature and high pressure oxidation furnace, and then the silver cadmium oxide alloy powder Generate silver alloy wire or sheet. The silver cadmium oxide alloy produced by this atomization process has fine grains and uniform distribution, with no over-oxygen zone and cadmium-poor zone.
 
The size of the silver contact resistance is closely related to the contact form and contact shape. The contact resistance in point contact is large, the contact resistance in line contact is smaller; the contact resistance in surface contact is smaller. In the medium and small power relays, line and surface contact are mostly used to improve the anti-welding and anti-corrosion capabilities. In small relays, bridge contact forms and bifurcated double-contact contact forms are often used to adapt to frequent actions and improve contact reliability.

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