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. 465-053
Mfr. Part No.RM-PC112(PK 100)
BrandHirose
SGD54.35
1 Bag of 100
Bag(s)
Male - 24 → 20 AWG Crimp RM RM Series Circular Connector - 1A 16.7mm - Silver 350 V ac, 490 V dc Copper Alloy 14mΩ
RS Stock No. 166-4964
Mfr. Part No.HR12-SC-112
BrandHirose
SGD0.527
Each (In a Pack of 100)
units
- 1mm 30 → 26 AWG Crimp HR10 HR10 Series - 2A 10mm - Silver - Beryllium, Phosphor Bronze 10mΩ
RS Stock No. 166-4963
Mfr. Part No.HR10-PC-112
BrandHirose
SGD0.225
Each (In a Pack of 100)
units
- 1mm 30 → 26 AWG Crimp HR10 HR10 Series - 2A 10mm - Silver - Brass, Bronze 10mΩ
RS Stock No. 715-7853
Mfr. Part No.EM-SC-133
BrandHirose
SGD9.868
Each (In a Pack of 4)
units
Female - 8 AWG Crimp EM EM Series Power Supply Connector - 50A - - Tin 250 V ac Copper Alloy -
RS Stock No. 764-4543
Mfr. Part No.HR10-PC-112
BrandHirose
SGD0.289
Each (In a Bag of 10)
units
- 1mm 30 → 26 AWG Crimp HR10 HR10 Series - 2A 10mm - Silver - Brass, Bronze 10mΩ
RS Stock No. 465-069
Mfr. Part No.RM-SC-112(PK100)
BrandHirose
SGD52.15
1 Bag of 100
Bag(s)
Female - 24 → 20 AWG Crimp RM RM Series Circular Connector - 1A 16.7mm - Silver 350 V ac, 490 V dc Copper Alloy 14mΩ
RS Stock No. 537-5400
Mfr. Part No.HR30-PC-111
BrandHirose
SGD34.76
1 Bag of 100
Bag(s)
Male - 30 → 26 AWG Crimp HR30 - Signal 2A 11mm - Gold - Phosphor Bronze -
RS Stock No. 122-4348
Mfr. Part No.HR30-PC-111
BrandHirose
SGD0.331
Each (In a Bag of 100)
units
Male - 30 → 26 AWG Crimp HR30 - Signal 2A 11mm - Gold - Phosphor Bronze -
RS Stock No. 875-2853
Mfr. Part No.HR41-PC-121
BrandHirose
SGD9.52
Each (In a Pack of 3)
units
Male 5.4mm 16 → 14 AWG Crimp HR41 HR41 Series Connector - - 37.5mm - Gold - Copper Alloy 2mΩ
RS Stock No. 537-5416
Mfr. Part No.HR30-SC-111
BrandHirose
SGD34.86
1 Bag of 100
Bag(s)
Female - 30 → 26 AWG Crimp HR30 - Signal 2A 11mm - Gold - Phosphor Bronze -
RS Stock No. 875-2819
Mfr. Part No.HR43-PC-111
BrandHirose
SGD10.81
Each (In a Pack of 3)
units
Male 2.38mm 1.6 → 2.6 mm² Crimp HR43 Bayonet Lock Connector - - 29.1mm - Gold - Brass 5mΩ
RS Stock No. 764-4553
Mfr. Part No.RM-PC-122
BrandHirose
SGD0.893
Each (In a Bag of 10)
units
Male 1.4mm 28 → 24 AWG Crimp RM RM Series - 3A 16.7mm - Silver - Copper Alloy -
RS Stock No. 764-4559
Mfr. Part No.HR22-SC-122
BrandHirose
SGD0.427
Each (In a Bag of 10)
units
Female 1.18mm 28 → 24 AWG Crimp HR22 HR22 Series - 2A 14.8mm - Silver - Beryllium Copper/Phosphor Bronze 20mΩ
RS Stock No. 184-6192
Mfr. Part No.RP19-PC-122
BrandHirose
SGD0.257
Each (In a Bag of 100)
units
Male - 30 → 24 AWG Crimp RP19 RP19 Series Connectors - 2A 12mm - Silver 100 V ac, 140 V dc Phosphor Bronze 30mΩ
RS Stock No. 875-2816
Mfr. Part No.HR43-SC-111
BrandHirose
SGD12.07
Each (In a Pack of 3)
units
Female 3.5mm 1.6 → 2.6 mm² Crimp HR43 Bayonet Lock Connector - - 28.1mm - Gold - Phosphor Bronze 5mΩ
RS Stock No. 166-4966
Mfr. Part No.HR22-SC-122
BrandHirose
SGD0.312
Each (In a Pack of 100)
units
Female 1.18mm 28 → 24 AWG Crimp HR22 HR22 Series - 2A 14.8mm - Silver - Beryllium Copper/Phosphor Bronze 20mΩ
RS Stock No. 184-6531
Mfr. Part No.RP19-PC-122
BrandHirose
SGD0.332
Each (In a Pack of 20)
units
Male - 30 → 24 AWG Crimp RP19 RP19 Series Connectors - 2A 12mm - Silver 100 V ac, 140 V dc Phosphor Bronze 30mΩ
RS Stock No. 184-6493
Mfr. Part No.RP13A-SC-122
BrandHirose
SGD0.407
Each (In a Pack of 20)
units
Female - 28 → 24 AWG Crimp RP13A RP13A Series Connectors - 2A 13.9mm - Silver 30 V ac, 42 V dc Phosphor Bronze 15mΩ
RS Stock No. 715-7857
Mfr. Part No.EM-PC-133
BrandHirose
SGD8.89
Each (In a Pack of 4)
units
Male - 8 AWG Crimp EM EM Series Power Supply Connector - 50A - - Tin 250 V ac Copper Alloy -
RS Stock No. 184-6164
Mfr. Part No.HR12-SC-111
BrandHirose
SGD0.282
Each (In a Bag of 100)
units
Female - 30 → 26 AWG Crimp HR12 HR12 Series Connectors - 1A 10mm - Gold 100 V ac, 140 V dc Phosphor Bronze 30mΩ