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. 135-4438
Mfr. Part No.1-66103-8
MYR1,525.86
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
MYR2.547
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. 372-850
Mfr. Part No.66103-4
MYR2.441
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. 135-4467
Mfr. Part No.66103-4
MYR1,932.76
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. 135-4440
Mfr. Part No.1-66105-9
MYR1,452.28
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. 238-117
Mfr. Part No.1-66105-9
MYR1.98
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. 372-399
Mfr. Part No.66099-4
MYR2.489
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
MYR1,983.62
1 Box of 1000
Box(es)
Male 16 18 → 16 AWG Crimp Type III+ - Power - 27.1mm - Gold over Nickel - Brass -
RS Stock No. 170-9390
Mfr. Part No.1-66101-9
MYR1,213.91
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. 679-4990
Mfr. Part No.1-66100-9
MYR2.882
Each (In a Pack of 10)
units
Female 16 18 → 16 AWG Crimp Type III+ - Signal - - - Tin - Brass -
RS Stock No. 238-123
Mfr. Part No.1-66101-9
MYR1.687
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. 238-101
Mfr. Part No.1-66099-5
MYR1.862
Each (In a Pack of 10)
units
Male 16 18 → 16 AWG Crimp Type III+ CPC Connectors, G Series Connectors, M Series Connectors Power - 27.1mm - Tin over Nickel - Brass -
RS Stock No. 745-5505
Mfr. Part No.1-66099-5
MYR2.204
Each (In a Pack of 10)
units
Male 16 18 → 16 AWG Crimp Type III+ CPC Connectors, G Series Connectors, M Series Connectors - 13A 20.24mm - Tin - Brass -
RS Stock No. 484-6579
Mfr. Part No.192922-1460
BrandITT Cannon
MYR3.603
Each (In a Pack of 10)
units
Male 20 22 → 20 AWG Crimp T2P Trident T2P Contact System Signal - - - Gold - Brass -
RS Stock No. 135-4439
Mfr. Part No.1-66099-5
MYR1,287.49
1 Box of 1000
Box(es)
Male 16 18 → 16 AWG Crimp Type III+ CPC Connectors, G Series Connectors, M Series Connectors - 13A 20.24mm - Tin - Brass -
RS Stock No. 760-0098
Mfr. Part No.FGN.0M.560.05C
BrandLemo
MYR13.556
Each (In a Pack of 5)
units
Male 0.9mm 24 → 20 Crimp M M Series Connectors - - - - Gold - Brass -
RS Stock No. 135-4965
Mfr. Part No.66261-2
MYR43.324
Each (In a Bag of 100)
units
Male - 16 → 12 AWG Crimp Type XII Type XII Series Connectors Power 35A 31.62mm - Gold over Nickel - Copper -
RS Stock No. 282-6292
Mfr. Part No.66261-2
MYR45.776
Each (In a Pack of 10)
units
Male - 16 → 12 AWG Crimp Type XII Type XII Series Connectors Power 35A 31.62mm - Gold over Nickel - Copper -
RS Stock No. 295-3603
Mfr. Part No.030-2409-003
BrandITT Cannon
MYR3.363
Each (In a Pack of 10)
units
Male - 22 → 20 AWG Crimp MS ZIF Connectors Signal - - - Gold - Copper Alloy -
RS Stock No. 745-5508
Mfr. Part No.1-66105-8
MYR4.68
Each (In a Pack of 5)
units
Female 16 24 → 20 AWG Crimp Type III+ CPC Connectors, G Series Connectors, M Series Connectors - 13A 5.08mm - Gold - Brass -
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