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
RS Stock No. 183-1811
BrandRS PRO
$0.473
Each (In a Pack of 10)
units
Female - 24 → 28 AWG Crimp MDC MDR Series Connector - 1A 15.2mm - Tin 50 V ac/dc Phosphor Bronze 30mΩ
RS Stock No. 144-7690
BrandRS PRO
$7.68
Each
units
Male M12 - - CNM Circular Connector Pin 4A 15mm - Gold 60 V CuZn <5mΩ
RS Stock No. 144-7683
BrandRS PRO
$6.62
Each
units
Male 4 - Plug-In - Connectors Pin 4A 15mm - Gold 250 V Brass <5mΩ
RS Stock No. 144-7691
BrandRS PRO
$17.36
Each
units
Male M12 - - CNM Circular Connector Pin 2A 15mm - Gold 30 V CuZn <5mΩ
RS Stock No. 144-7688
BrandRS PRO
$7.48
Each
units
Male 4 - Plug-In - Connectors Pin 4A 16.1mm - Gold 30 V Brass <5mΩ
RS Stock No. 144-7692
BrandRS PRO
$24.86
Each
units
Male M12 - - CNM Circular Connector Pin 1.5A 15mm - Gold 30 V CuZn <5mΩ
RS Stock No. 144-7685
BrandRS PRO
$17.36
Each
units
Male M12 - - CNM Circular Connector Pin 2A 15mm - Gold 30 V CuZn <5mΩ
RS Stock No. 144-7684
BrandRS PRO
$7.68
Each
units
Male M12 - - CNM Circular Connector Pin 4A 15mm - Gold 60 V CuZn <5mΩ
RS Stock No. 144-7693
BrandRS PRO
$6.22
Each
units
Male 3 - Plug-In - Connectors Pin 4A 16.1mm - Gold 60 V Brass <5mΩ
RS Stock No. 144-7686
BrandRS PRO
$24.86
Each
units
Male M12 - - CNM Circular Connector Pin 1.5A 15mm - Gold 30 V CuZn <5mΩ
RS Stock No. 144-7694
BrandRS PRO
$7.48
Each
units
Male 4 - Plug-In - Connectors Pin 4A 16.1mm - Gold 30 V Brass <5mΩ
RS Stock No. 144-7687
BrandRS PRO
$6.22
Each
units
Male 3 - Plug-In - Connectors Pin 4A 16.1mm - Gold 60 V Brass <5mΩ
RS Stock No. 135-4464
Mfr. Part No.66099-4
$664.40
1 Box of 1000
Box(es)
Male 16 18 → 16 AWG Crimp Type III+ - Power - 27.1mm - Gold over Nickel - Brass -
RS Stock No. 372-399
Mfr. Part No.66099-4
$0.78
Each (In a Pack of 10)
units
Male 16 18 → 16 AWG Crimp Type III+ - Power - 27.1mm - Gold over Nickel - Brass -
RS Stock No. 135-4467
Mfr. Part No.66103-4
$634.70
1 Box of 1000
Box(es)
Male 16 24 → 20 AWG Crimp Type III+ - - 160A 27.48mm - Gold over Nickel 250 V ac Brass -
RS Stock No. 372-850
Mfr. Part No.66103-4
$0.799
Each (In a Pack of 10)
units
Male 16 24 → 20 AWG Crimp Type III+ - - 13A 27.48mm - Gold over Nickel 250 V ac Brass -
RS Stock No. 372-412
Mfr. Part No.66105-4
$1.353
Each (In a Pack of 10)
units
Female 16 24 → 20 AWG Crimp Type III+ Type III + Series Connectors Signal - - - Gold over Nickel - Brass -
New
RS Stock No. 190-3727
Mfr. Part No.1-66100-9
$3,695.50
1 Pack of 4000
Pack(s)
Female 16 18 → 16 AWG Crimp Type III+ - Signal - - - Tin - Brass -
RS Stock No. 238-123
Mfr. Part No.1-66101-9
$0.838
Each (In a Pack of 10)
units
Female 16 18 → 16 AWG Crimp Type III+ Type III + Series Connectors Signal - - - Tin over Nickel - Brass -
RS Stock No. 372-434
Mfr. Part No.66101-4
$1.089
Each (In a Pack of 10)
units
Female 16 18 → 16 AWG Crimp Type III+ Type III + Series Connectors Signal - - - Gold over Nickel - Brass -
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