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→6.4.5 Physical Effects in Sliding and Connector Contacts
'''Tab.6.4: Surface Coating Materials for Connectors'''
{| class="twocolortable" style="text-align: left; font-size: 12px"
|-
!Manufacturing method
!Coating materials
!Intermediate layer
!Hardness HV
!Frictional factor
|-
|Electroplating
|Tin<br />Nickel<br />Nickel-phosphorus (NiP 6 - 15)<br />Silver<br />Hard gold (< 0.3 wt% Ni or Co)<br />Palladium with Au- flash (<0,2μm)<br />Palladium-nickel with Au-flash (<0.2μm)
|-
|For brass: Copper or Nickel<br /> <br /> <br /> <br />Nickel, Nickel-phosphorus<br />Nickel<br />Nickel
|50 - 90<br />300 - 600<br />500 - 1100<br />70 - 100<br />100 - 200<br />250 - 300<br />300 - 400
|0.5 - 1<br /> <br /> <br />0.5 - 0.8<br />0.2 - 0.5<br />0.2 - 0.5<br />0.2 - 0.5
|}
==References==
[[Application Tables and Guideline Data for Use of Electrical Contact Design#References|References]]
