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Gray Zinc Nickel (ZnNi) Circular Connectors

Amphenol Industrial introduces the Gray Zinc Nickel (ZnNi) Circular Connectors. These connectors offer a RoHS-compliant harsh environment plating system with a light gun metal gray appearance. Amphenol enhanced its Amphenol Industrial Gray Zinc Nickel Circular Connectorsstandard shell plating base from standard cadmium to gray zinc over electroless nickel. Initially designed for use in marine applications, the Gray Zinc Nickel Connectors are used in military and industrial applications or where RoHS-compliant plating is required.

Amphenol's Gray ZnNi offers high corrosion resistance and no significant galvanic reaction when mated with leading standard market plating options. The light gun metal gray plating is cadmium-free. The Gray ZnNi connectors are compatible with market standard plating options and can be used safely in magnetic environments in conjunction with a connector shell that is also non-magnetic.

The Gray Zinc Nickel Circular Connectors feature a -65°C to +200°C temperature range as well as rated at 500 hours of salt spray. These connectors also offer less than 2.5mΩ conductivity. Gray ZnNi is available on Amphenol Industrial's standard core products, with no significant galvanic reaction between existing OD Cad, Black Zinc and Electroless Nickel plating.

Features & Benefits:

  • Cadmium free
  • RoHS compliant
  • -65°C to +200°C operating temperature range
  • Less than 2.5mΩ conductivity
  • Rated at 500 hours salt spray
  • Compatible with market standard plating options
  • Non-magnetic


  • Marine crafts
  • Electric vehicles
  • Industrial machinery & equipment
  • Power generation

See also:
Amphenol Industrial Gray Zinc Nickel Circular Connectors (.pdf) for more product information, specifications, applications and ordering information.

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