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. 273-2951
Mfr. Part No.RM20M12K
BrandSouriau
£0.504
Each (In a Pack of 10)
Units
Male 16 22 → 20 AWG Crimp TRIM TRIO RM - Signal - - - Gold over Nickel - Copper Alloy 3mΩ
RS Stock No. 426-1300
Mfr. Part No.SA3347
BrandBulgin
£0.675
Each (In a Bag of 10)
Units
Female - 26 → 22 AWG Crimp 400 Buccaneer 400 Series Connectors Signal 5A - - Gold 125 V ac/dc Copper Alloy 5mΩ
RS Stock No. 503-6717
Mfr. Part No.1703014-1
£0.326
Each (In a Pack of 10)
Units
Male - 17 → 13 AWG Crimp - 1.5 mm System Series Connectors Signal - - - Tin - Copper Nickel Silicon Alloy -
RS Stock No. 136-1814
Mfr. Part No.1703014-1
£591.30
1 Reel of 3500
Reel(s)
Male - 17 13 AWG Crimp - 1.5 mm System Series Connectors Signal - - - Tin - Copper Nickel Silicon Alloy -
RS Stock No. 762-0689
Mfr. Part No.M39029/57-354
BrandAmphenol
£0.411
Each (In a Pack of 25)
Units
Female 22D - Crimp M39029 D38999 Circular Connector - 5A - - Gold over Nickel - - -
RS Stock No. 314-7449
Mfr. Part No.6862-201-16278
BrandDeutsch
£2.76
Each (In a Pack of 10)
Units
Female 16 20 → 16 AWG Crimp 6862 IMC Series Connector - 13A - - Gold over Nickel 1 kV ac Copper Alloy 10mΩ
RS Stock No. 110-9350
Mfr. Part No.192990-0040/T2P20MC1LT
BrandITT Cannon
£0.316
Each (In a Pack of 100)
Units
Male - 22 → 20 AWG Crimp T2P Trident T2P Contact System Signal - - - Tin - Brass -
RS Stock No. 190-3527
Mfr. Part No.6862-201-16278
BrandDeutsch
£0.845
Each (In a Pack of 15000)
Units
Female 16 20 → 16 AWG Crimp 6862 IMC Series Connector - 13A - - Gold over Nickel 1 kV ac Copper Alloy 10mΩ
RS Stock No. 190-3423
Mfr. Part No.031-8703-001
BrandITT Cannon
£1,914.25
1 Pack of 5000
Pack(s)
Female - 20 → 16 AWG Crimp SURE-SEAL SURE-SEAL Connectors - - - - Gold, Silver - Copper Alloy -
RS Stock No. 167-9506
Mfr. Part No.031-8703-001/EINZ.K.BU.SS121347-20 0,5-1,0
BrandITT Cannon
£0.713
Each (In a Pack of 10)
Units
Female - 20 → 16 AWG Crimp SURE-SEAL SURE-SEAL Connectors - - - - Gold, Silver - Copper Alloy -
RS Stock No. 474-798
Mfr. Part No.192990-0090/T2P24FC1LZ
BrandITT Cannon
£0.581
Each (In a Pack of 10)
Units
Female - 26 → 24 AWG Crimp T2P Trident T2P Contact System Signal 13A 18.42mm - Gold - Brass 5mΩ
RS Stock No. 190-3435
Mfr. Part No.330-8672-100
BrandITT Cannon
£2,664.75
1 Pack of 5000
Pack(s)
Male 7 - Crimp - - Signal - 20mm - Tin - Copper Alloy 10mΩ
RS Stock No. 484-8698
Mfr. Part No.030-2410-001
BrandITT Cannon
£0.431
Each (In a Pack of 10)
Units
Male - 24 → 26 AWG Crimp DL ZIF Connectors Signal - - - Gold - Copper Alloy -
RS Stock No. 167-9770
Mfr. Part No.192991-0041
BrandITT Cannon
£1.047
Each (In a Pack of 100)
Units
Female - - Crimp - Trident Ringlock connector Signal 13A 18.2mm - Gold - Brass -
RS Stock No. 484-6557
Mfr. Part No.192990-0050
BrandITT Cannon
£0.316
Each (In a Pack of 100)
Units
Female - 22 → 20 AWG Crimp T2P Trident T2P Contact System Signal 13A 18.42mm - Tin - Brass 5mΩ
RS Stock No. 485-833
Mfr. Part No.192991-0041/T3P16FC1LZ
BrandITT Cannon
£0.866
Each (In a Pack of 10)
Units
Female - 16 AWG Crimp T3P Trident T3P Contact System Signal 13A 18.2mm - Gold - Brass -
RS Stock No. 190-3416
Mfr. Part No.192990-0090
BrandITT Cannon
£0.519
Each (In a Pack of 100)
Units
Female - 26 → 24 AWG Crimp T2P Trident T2P Contact System Signal 13A 18.42mm - Gold - Brass 5mΩ
RS Stock No. 341-3033
Mfr. Part No.330-8672-100/K.STIFT EINZ.MSS121348-100
BrandITT Cannon
£0.696
Each (In a Pack of 10)
Units
Male 7 - Crimp - - Signal - 20mm - Tin - Copper Alloy 10mΩ
RS Stock No. 240-8585
Mfr. Part No.VN02-016-0003(1)
BrandAmphenol
£9.20
1 Bag of 25
Bag(s)
Female 1.6mm 26 → 20 AWG Crimp Eco-Mate C16-3 Series Plastic Circular Connectors - - - - Silver - Brass -
RS Stock No. 398-8076
Mfr. Part No.SC16ML11D70
BrandSouriau
£0.463
Each (In a Pack of 10)
Units
Female 16 18 → 16 AWG Crimp TRIM TRIO SC - Signal 13A 19mm - Gold over Nickel - Copper Alloy 6mΩ
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Suitable for UTO Series, see e.g. 557-925. Flammability rating UL94V0 2 VDE 0110 Group C versions 3 and 7 ways Moulded keyways ensure error free mating Standard shell sizes and contact arrangements High conductive copper alloy Gold flash or tin plate options Incorporating stainless steel spring for contact retention Gold ...
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