Circular Connector Contacts

Circular connector contacts are the components of a circular connector that carry the electrical signals across a connection. They are typically attached to each wire strand within the cable with a solderless crimp mechanism, using a crimping tool. Each circular connector contact is then passed through the connector housing and the circular connector insert before the connector backshell is closed to provide strain relief.

Types of circular connector contacts

Circular connector contacts are usually available in matched male and female versions for a particular connector standard. Typical contact materials are brass, steel or gold-plated, and which you choose will depend on the connector standard you're working with or whether you need low contact resistance in high signal integrity applications.

Features of circular connector contacts

The modular nature of circular connector contacts means individual contacts can be replaced without necessarily needing to replace the whole connector. The contact material can provide protection from environmental contamination, for example by preventing corrosion from moisture in the air in marine environments.


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Description Price Gender Contact Size Wire Size Termination Method Series For Use With Contact Type Current Rating Length Plate Thickness Contact Plating Voltage Rating Contact Material Maximum Contact Resistance
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RS Stock No. 2552342733
Mfr. Part No.1-66332-4 (4000)
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RS Stock No. 2552604332
Mfr. Part No.1501252 (1)
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Mfr. Part No.163086-2 (1)
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RS Stock No. 2552320439
Mfr. Part No.66740-6 (1)
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RS Stock No. 2552328966
Mfr. Part No.66182-1 (1)
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Mfr. Part No.796964-1 (1)
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RS Stock No. 2508284394
Mfr. Part No.044-102-1414S-100-101
BrandAmphenol
SGD180.87
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Mfr. Part No.163084-1 (1)
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RS Stock No. 2552320028
Mfr. Part No.1-66101-9 (100)
SGD67.69
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Mfr. Part No.66740-2 (100)
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RS Stock No. 2508703252
Mfr. Part No.97-45-1622S-5(0920)
BrandAmphenol
SGD196.60
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RS Stock No. 2552604334
Mfr. Part No.1501540 (1)
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Mfr. Part No.66400-4 (1)
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Mfr. Part No.66180-1 (1)
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Mfr. Part No.1-66105-9 (100)
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Mfr. Part No.66261-2 (100)
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Mfr. Part No.1-66361-2 (100)
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