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. 372-434
Mfr. Part No.66101-4
R 14.071
Each (In a Pack of 10)
units
Female 16 18 → 16 AWG Crimp Type III+ Type III + Series Connectors Signal - - - Gold over Nickel - Brass -
RS stock no. 170-9391
Mfr. Part No.66101-4
R 8,649.75
1 Box of 1000
Box(es)
Female 16 18 → 16 AWG Crimp Type III+ Type III + Series Connectors Signal - - - Gold over Nickel - Brass -
RS stock no. 426-1322
Mfr. Part No.SA3348/1
BrandBulgin
R 18.716
Each (In a Bag of 10)
units
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. 136-1763
Mfr. Part No.929989-1
R 14,962.62
1 Reel of 4000
Reel(s)
Female - 20 → 17 AWG Crimp - 1.5 mm System Housing Connectors Signal - 21.2mm - Tin - Copper Nickel Silicon Alloy -
RS stock no. 395-7410
Mfr. Part No.929989-1
R 7.902
Each (In a Pack of 10)
units
Female - 20 → 17 AWG Crimp - 1.5 mm System Housing Connectors Signal - 21.2mm - Tin - Copper Nickel Silicon Alloy -
RS stock no. 238-101
Mfr. Part No.1-66099-5
R 9.133
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
R 8.876
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. 135-4439
Mfr. Part No.1-66099-5
R 7,711.74
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. 190-4058
Mfr. Part No.1-66099-5
R 6,221.72
1 Pack of 1000
Pack(s)
Male 16 18 → 16 AWG Crimp Type III+ CPC Connectors, G Series Connectors, M Series Connectors - 13A 20.24mm - Tin - Brass -
RS stock no. 238-123
Mfr. Part No.1-66101-9
R 10.283
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. 395-7397
Mfr. Part No.929975-1
R 7.278
Each (In a Pack of 10)
units
Female - 17 → 13 AWG Crimp - 2.5mm Pin Diameter Connector System Signal - 21.2mm - Tin - Copper Nickel Silicon Alloy -
RS stock no. 136-1762
Mfr. Part No.929975-1
R 12,831.56
1 Reel of 3000
Reel(s)
Female - 17 → 13 AWG Crimp - 2.5mm Pin Diameter Connector System Signal - 21.2mm - Tin - Copper Nickel Silicon Alloy -
RS stock no. 679-4990
Mfr. Part No.1-66100-9
R 12.407
Each (In a Pack of 10)
units
Female 16 18 → 16 AWG Crimp Type III+ - Signal - - - Tin - Brass -
RS stock no. 170-9390
Mfr. Part No.1-66101-9
R 5,268.03
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. 190-3727
Mfr. Part No.1-66100-9
R 32,639.56
1 Pack of 4000
Pack(s)
Female 16 18 → 16 AWG Crimp Type III+ - Signal - - - Tin - Brass -
RS stock no. 372-850
Mfr. Part No.66103-4
R 11.814
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
R 10,089.48
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. 426-1344
Mfr. Part No.SA3347/1
BrandBulgin
R 19.38
Each (In a Bag of 10)
units
Female - 26 → 22 AWG Solder Buccaneer 400 Buccaneer 400 Series Connectors Signal 5A - - Gold 125 V ac/dc Copper Alloy 5mΩ
RS stock no. 426-1287
Mfr. Part No.SA3348
BrandBulgin
R 10.89
Each (In a Bag of 10)
units
Male - 26 → 22 AWG Crimp Buccaneer 400 Buccaneer 400 Series Connectors Signal - - - Gold - Copper Alloy 5mΩ
RS stock no. 426-1338
Mfr. Part No.SA3350/1
BrandBulgin
R 13.65
Each (In a Bag of 10)
units
Male - 24 → 20 AWG Solder Buccaneer 400 Buccaneer 400 Series Circular Connector Signal 8A 80mm - Gold 250 V ac, 250 V dc Copper Alloy -