Ethernet Connectors

Ethernet connectors are used for Ethernet networking such as telecommunications or data equipment. The connectors are connected to each end of an Ethernet cable. The RJ45 connector is the most commonly known type. RJ45 connectors have an 8P8C (8 position, 8 contact) configuration. In order for the connector to function properly, the individual Ethernet cable wires must be inserted into these locations following a T-568A or a T568B wiring standard. Technically, 8P8C can be used with other types of connections besides Ethernet; it is also used with RS-232 serial cables, for example. However, because RJ45 is by far the predominant usage of 8P8C, industry professionals often use the two terms interchangeably. RJ45 connectors are available to suit a range of LAN categories from Cat3 to Cat6a. Different mounting options are also available, including cable mount, PCB mount and panel mount. For more information, please visit our complete guide to RJ45 connectors.


Types of RJ Connectors



  • RJ11

  • RJ12

  • RJ22

  • RJ25

  • RJ45

  • RJ48

  • RJ50


Other types of Ethernet connectors


Mini IO connectors are small wire-to-board interfaces suitable for most environments. These connectors are easily installable without the need for wire termination and soldering activities. A mini IO connector consists of a housing, a shell and a terminal with contact points. The outer materials are made from thermoplastics, which makes them highly resistant to shock, vibration and extreme temperatures. The terminals have contacts made of copper alloy, which increases conduction for highly reliable connection features. Latch mechanisms prevent cables from pulling out of the mini IO connectors.


Frequently asked Questions


What are RJ connectors used for?

RJ stands for registered jack which is a standardised networking interface. RJ45 connectors are used for connecting Ethernet cables to equipment in computer networking applications such as telecommunications or data equipment. RJ45 connectors consist of modular jacks and plugs. The RJ45 plugs are connected to each end of an Ethernet cable


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Description Price Ethernet Connector Type Gender LAN Category Mounting Type Number of Ports Number of Ways Connector Type Shield Type Orientation IP Rating Length Kit Type Width Depth
RS Stock No. 170-2596
Mfr. Part No.RJHS-4381
HK$12.306
Each (In a Bag of 100)
units
- - - - - - - - - - - - - -
RS Stock No. 257-8785
Mfr. Part No.RJHSE5381
HK$27.45
Each
units
RJ45 Connector Female Cat5e Through Hole 1 8 RJ45 Tin Plated Copper Alloy Right Angle - 16.51mm - - 15.75mm
RS Stock No. 170-2595
Mfr. Part No.RJHS-4081
HK$7.247
Each (In a Bag of 100)
units
RJ45 Connector Female - Through Hole 1 - - - Right Angle - 15.75mm - - 14.99mm
RS Stock No. 170-2702
Mfr. Part No.MRJ538001
HK$74.096
Each (In a Bag of 40)
units
RJ45 Connector Female - Through Hole 1 - Jack - Right Angle - 30.3mm - - 26.95mm
RS Stock No. 257-8779
Mfr. Part No.RJHS-4081
HK$13.45
Each
units
RJ45 Connector Female - Through Hole 1 - - - Right Angle - 15.75mm - - 14.99mm
RS Stock No. 725-6036
Mfr. Part No.MRJ538001
HK$85.24
Each
units
RJ45 Connector Female - Through Hole 1 - Jack - Right Angle - 30.3mm - - 26.95mm
RS Stock No. 182-2942
Mfr. Part No.54602-908LF
HK$3.833
Each (In a Tray of 200)
units
RJ45 Connector Female Cat3, Cat5 Through Hole 1 8 Modular Jack Unshielded Right Angle - 17.74mm - 15.3mm 12.7mm
RS Stock No. 182-3029
Mfr. Part No.54602-908LF
HK$4.389
Each (In a Pack of 10)
units
RJ45 Connector - - - - - - - - - - - - -
RS Stock No. 859-9365
Mfr. Part No.87547-4111LF
HK$16.388
Each (In a Pack of 25)
units
RJ45 Connector Female Cat3 Surface Mount - 8P8C Modular Jack Unshielded Straight - 18.57mm - 15.09mm 17.5mm
RS Stock No. 137-0967
Mfr. Part No.92250-088LF
HK$21.39
Each
units
RJ45 Connector Female Cat3 PCB Mount 1 8 Modular Jack Tin Plated Brass Alloy Right Angle - 15.24mm - 11.7mm 18.2mm
RS Stock No. 182-2426
Mfr. Part No.98432-311LF
HK$14.554
Each (In a Pack of 5)
units
RJ12 Connector - - - - - - - - - - - - -
RS Stock No. 162-0560
Mfr. Part No.MRJ548501
HK$89.397
Each (In a Bag of 36)
units
RJ45 Connector Female - Through Hole 1 - Jack - Straight - 29mm - - 18mm
New
RS Stock No. 216-1857
Mfr. Part No.ND9AS3200
HK$29.303
Each (On a Reel of 550)
units
- - Cat6a PCB Mount, Through Hole - - Receptacle Contact - - - - - - -
New
RS Stock No. 215-7967
Mfr. Part No.RJHSE3380
HK$19.068
Each (In a Pack of 5)
units
- Male Cat5 Through Hole 1 8 RJ45 - - - - - - -
RS Stock No. 182-2140
Mfr. Part No.98435-111LF
HK$9.251
Each (On a Reel of 3000)
units
RJ45 Connector Female Cat3, Cat5 Surface Mount 1 8 Modular Jack Unshielded Vertical - 14mm - 14.8mm 12.7mm
RS Stock No. 182-2963
Mfr. Part No.87180-088LF
HK$8.085
Each (In a Tube of 2160)
units
RJ45 Connector Female Cat3, Cat5 Through Hole 1 8 Modular Jack Unshielded Right Angle - 13.2mm - 18mm 11.5mm
New
RS Stock No. 216-1858
Mfr. Part No.ND9AS3200
HK$43.98
Each
units
- - Cat6a PCB Mount, Through Hole - - Receptacle Contact - - - - - - -
RS Stock No. 863-3318
Mfr. Part No.90511-001LF
HK$6.825
Each (In a Pack of 2400)
units
RJ22 Connector Female Cat3 Through Hole - 4P4C Modular Jack - Straight - 13.72mm - 16.38mm 15.62mm
RS Stock No. 182-2137
Mfr. Part No.98432-311LF
HK$7.55
Each (On a Reel of 3600)
units
RJ12 Connector Female Cat3 Surface Mount - 6 Modular Jack Unshielded Vertical - 14mm - 12.8mm 12.7mm
New
RS Stock No. 215-7968
Mfr. Part No.RJHSE3384
HK$18.718
Each (In a Tray of 110)
units
- Male Cat5 Through Hole 1 8 RJ45 - - - - - - -