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
£0.251
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. 144-7685
BrandRS PRO
£1.97
Each
Units
Male M12 - - CNM Circular Connector Pin 2A 15mm - Gold 30 V CuZn <5mΩ
RS Stock No. 144-7693
BrandRS PRO
£1.78
Each
Units
Male 3 - Plug-In - Connectors Pin 4A 16.1mm - Gold 60 V Brass <5mΩ
RS Stock No. 144-7688
BrandRS PRO
£2.14
Each
Units
Male 4 - Plug-In - Connectors Pin 4A 16.1mm - Gold 30 V Brass <5mΩ
RS Stock No. 144-7694
BrandRS PRO
£2.14
Each
Units
Male 4 - Plug-In - Connectors Pin 4A 16.1mm - Gold 30 V Brass <5mΩ
RS Stock No. 144-7684
BrandRS PRO
£2.20
Each
Units
Male M12 - - CNM Circular Connector Pin 4A 15mm - Gold 60 V CuZn <5mΩ
RS Stock No. 144-7687
BrandRS PRO
£0.32
Each
Units
Male 3 - Plug-In - Connectors Pin 4A 16.1mm - Gold 60 V Brass <5mΩ
RS Stock No. 144-7683
BrandRS PRO
£2.74
Each
Units
Male 4 - Plug-In - Connectors Pin 4A 15mm - Gold 250 V Brass <5mΩ
RS Stock No. 238-123
Mfr. Part No.1-66101-9
£0.469
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. 679-4990
Mfr. Part No.1-66100-9
£0.586
Each (In a Pack of 10)
Units
Female 16 18 → 16 AWG Crimp Type III+ - Signal - - - Tin - Brass -
RS Stock No. 190-3727
Mfr. Part No.1-66100-9
£1,209.05
1 Pack of 4000
Pack(s)
Female 16 18 → 16 AWG Crimp Type III+ - Signal - - - Tin - Brass -
RS Stock No. 170-9390
Mfr. Part No.1-66101-9
£308.83
1 Box of 1000
Box(es)
Female 16 18 → 16 AWG Crimp Type III+ Type III + Series Connectors Signal - - - Tin over Nickel - Brass -
RS Stock No. 190-3414
Mfr. Part No.192990-0110
BrandITT Cannon
£0.537
Each (In a Pack of 100)
Units
Female - 18 → 16 AWG Crimp T2P Trident T2P Contact System Signal 13A 18.42mm - Gold - Brass -
RS Stock No. 468-557
Mfr. Part No.192990-0110
BrandITT Cannon
£0.613
Each (In a Pack of 10)
Units
Female - 18 → 16 AWG Crimp T2P Trident T2P Contact System Signal 13A 18.42mm - Gold - Brass -
RS Stock No. 372-399
Mfr. Part No.66099-4
£0.822
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. 135-4464
Mfr. Part No.66099-4
£571.49
1 Box of 1000
Box(es)
Male 16 18 → 16 AWG Crimp Type III+ - Power - 27.1mm - Gold over Nickel - Brass -
RS Stock No. 484-6579
Mfr. Part No.192922-1460
BrandITT Cannon
£0.61
Each (In a Pack of 10)
Units
Male 20 22 → 20 AWG Crimp T2P Trident T2P Contact System Signal - - - Gold - Brass -
RS Stock No. 190-3407
Mfr. Part No.192922-1460
BrandITT Cannon
£0.542
Each (In a Pack of 100)
Units
Male 20 22 → 20 AWG Crimp T2P Trident T2P Contact System Signal - - - Gold - Brass -
RS Stock No. 426-1322
Mfr. Part No.SA3348/1
BrandBulgin
£9.79
1 Bag of 10
Bag(s)
Male - 26 → 22 AWG Solder Buccaneer 400 Buccaneer 400 Series Circular Connector Signal 5A 80mm - Gold 125 V ac, 125 V dc Copper Alloy -
RS Stock No. 466-983
Mfr. Part No.192922-1470
BrandITT Cannon
£0.613
Each (In a Pack of 10)
Units
Female - 22 → 20 AWG Crimp TRIDENT Trident T2P Series Circular Connectors Signal 13A 18.42mm - Gold - Brass 5mΩ