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. 135-4467
Mfr. Part No.66103-4
TWD21,953
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
TWD27
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. 135-4438
Mfr. Part No.1-66103-8
TWD8,207
1 Box of 1000
Box(es)
Male 16 24 → 20 AWG Crimp Type III+ CPC Connectors, G Series Connectors, M Series Connectors - - 27.48mm - Tin over Nickel - Brass -
RS Stock No. 238-094
Mfr. Part No.1-66103-8
TWD12
Each (In a Pack of 10)
units
Male 16 24 → 20 AWG Crimp Type III+ CPC Connectors, G Series Connectors, M Series Connectors - - 27.48mm - Tin over Nickel - Brass -
RS Stock No. 238-117
Mfr. Part No.1-66105-9
TWD18
Each (In a Pack of 10)
units
Female 16 24 → 20 AWG Crimp Type III+ Type III + Series Connectors Signal - - - Tin over Nickel - Brass -
RS Stock No. 135-4440
Mfr. Part No.1-66105-9
TWD11,832
1 Box of 1000
Box(es)
Female 16 24 → 20 AWG Crimp Type III+ Type III+ Series Connectors Signal - - - Tin over Nickel - Brass -
RS Stock No. 135-4466
Mfr. Part No.66105-4
TWD16,767
1 Pack of 1000
Pack(s)
Female 16 24 → 20 AWG Crimp Type III+ Type III+ Series Connectors Signal - - - Gold over Nickel - Brass -
RS Stock No. 372-412
Mfr. Part No.66105-4
TWD27
Each (In a Pack of 10)
units
Female 16 24 → 20 AWG Crimp Type III+ Type III + Series Connectors Signal - - - Gold over Nickel - Brass -
RS Stock No. 295-3580
Mfr. Part No.030-2492-001
BrandITT Cannon
TWD20
Each (In a Pack of 10)
units
Male - 26 → 24 AWG Crimp MS ZIF Connectors Signal - - - Gold - Copper Alloy -
RS Stock No. 273-2945
Mfr. Part No.RM16M23K
BrandSouriau
TWD23
Each (In a Pack of 10)
units
Male 16 20 → 16 AWG Crimp VGE1 - Signal 13A 26.2mm - Gold over Nickel - Copper Alloy 3mΩ
RS Stock No. 484-6579
Mfr. Part No.192922-1460
BrandITT Cannon
TWD29
Each (In a Pack of 10)
units
Male 20 22 → 20 AWG Crimp T2P Trident T2P Contact System Signal - - - Gold - Brass -
RS Stock No. 135-4464
Mfr. Part No.66099-4
TWD13,041
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
TWD16
Each (In a Pack of 10)
units
Male 16 18 → 16 AWG Crimp Type III+ - Power - 27.1mm - Gold over Nickel - Brass -
New
RS Stock No. 164-0084
Mfr. Part No.66104-9
TWD63,605
1 Reel of 4000
Reel(s)
Female - - Crimp Type III+ - - - - - Gold over Nickel - Brass -
RS Stock No. 680-9664
Mfr. Part No.66104-9
TWD23
Each (In a Pack of 5)
units
Female - - Crimp Type III+ - - - - - Gold over Nickel - Brass -
RS Stock No. 437-3712
Mfr. Part No.SM24ML 1TK6
BrandSouriau
TWD16
Each (In a Pack of 10)
units
Male 16 26 → 24 AWG Crimp TRIM TRIO SM - Signal - - - Tin - Copper Alloy 6mΩ
RS Stock No. 669-3251
Mfr. Part No.66740-2
TWD235
Each
units
Female 16 16 → 12 AWG Crimp Type XII - Signal - 32.18mm - Silver - Copper -
RS Stock No. 110-9322
Mfr. Part No.192990-0020
BrandITT Cannon
TWD13
Each (In a Pack of 100)
units
Male - 26 → 24 AWG Crimp T2P Trident T2P Contact System Signal - - - Tin - Brass 5mΩ
New
RS Stock No. 170-9390
Mfr. Part No.1-66101-9
TWD11,533
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. 238-123
Mfr. Part No.1-66101-9
TWD15
Each (In a Pack of 10)
units
Female 16 18 → 16 AWG Crimp Type III+ Type III + Series Connectors Signal - - - Tin over Nickel - Brass -