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. 625-6710
Mfr. Part No.TM21R-5C-88(50)
BrandHirose
HK$39.84
Each (In a Pack of 5)
units
RJ45 Connector Female Cat5e Through Hole 1 8P8C RJ45, Socket STP Right Angle - 21mm - 16mm 17.35mm
RS Stock No. 765-3698
Mfr. Part No.J00026A3001
HK$117.83
Each
units
RJ45 Connector Male Cat6a Cable Mount - - RJ45 UTP Straight - 16.35mm - 13.8mm 44.2mm
RS Stock No. 764-4806
Mfr. Part No.TM24RSG-5A-88
BrandHirose
HK$34.11
Each
units
RJ45 Connector Female Cat5 Panel Mount, Through Hole - 8P8C Modular Jack STP Right Angle - 14mm - 17.5mm 17.75mm
RS Stock No. 820-8215
Mfr. Part No.5558070-1
HK$54.69
Each
units
RJ45 Connector Female Cat3 PCB Mount 1 10 Modular Jack Shielded Right Angle - 13.64mm - 15.88mm 21.34mm
RS Stock No. 871-9721
Mfr. Part No.1375055-6
HK$119.38
Each (In a Pack of 25)
units
- Female Cat6 - - - Modular Jack - - - - - - -
RS Stock No. 163-3854
Mfr. Part No.7499111440A
HK$95.604
Each (In a Tube of 29)
units
RJ45 Connector Female - Through Hole - 8C Socket - - - 13.95mm - 15.88mm 21.84mm
RS Stock No. 164-4198
Mfr. Part No.5555165-5
HK$4.975
Each (In a Bag of 2816)
units
RJ11 Connector Female - Through Hole - 6P2C Modular Jack UTP Right Angle - 18.29mm - 12.7mm 13.41mm
RS Stock No. 447-9977
Mfr. Part No.RJF TV 6MG
HK$403.69
Each
units
RJ45 Connector Male - Cable Mount - - - Unshielded Straight IP67 56mm - - 38mm
RS Stock No. 137-890
Mfr. Part No.5555141-1
HK$17.66
Each (In a Pack of 5)
units
RJ45 Connector Female Cat3 Through Hole 1 8P8C Modular Jack Shielded Right Angle - 17.91mm - - 18.42mm
RS Stock No. 921-0111
Mfr. Part No.1404388
HK$63.47
Each
units
RJ45 Connector Male Cat6 Cable Mount - 8 RJ45 Shielded Straight IP20 30.2mm - 11.7mm 12.9mm
RS Stock No. 340-7000
Mfr. Part No.K5745 WHI
HK$119.09
Each
units
RJ45 Connector - Cat5e - - - - - Straight - 37mm - 22mm 25mm
RS Stock No. 739-8499
Mfr. Part No.RJ45F7RJ
HK$152.70
Each
units
RJ45 Connector Female - Panel Mount - - - - Straight IP68 36.8mm - - -
RS Stock No. 735-0273
Mfr. Part No.7499111440A
HK$123.14
Each
units
RJ45 Connector Female - Through Hole - 8C Socket - - - 13.95mm - 15.88mm 21.84mm
RS Stock No. 172-6527
Mfr. Part No.RDP-00BFFA-SLM7001
HK$93.606
Each (In a Box of 10)
units
RJ45 Connector Female - Cable Mount - - - - Straight IP67 115.2mm - 31mm -
RS Stock No. 287-2734
Mfr. Part No.J00060A0069
HK$338.51
Each
units
RJ45 Connector - Cat7a - - 8+1 Butt Splice Coupler STP, UTP Straight - 37.2mm - 84.2mm 20.1mm
RS Stock No. 706-0210
Mfr. Part No.1546440-1
HK$158.58
Each
units
RJ45 Connector Male - Cable Mount - - Telephone/Telecom - - - - - - -
RS Stock No. 706-0214
Mfr. Part No.1981080-1
HK$34.05
Each
units
- Female - Surface Mount - - Modular Jack - - - - - - -
RS Stock No. 798-0736
Mfr. Part No.RDP-00BFFA-SLM7001
HK$102.95
Each
units
RJ45 Connector Female - Cable Mount - - - - Straight IP67 115.2mm - 31mm -
RS Stock No. 455-236
Mfr. Part No.TM11APA-88P(03)
BrandHirose
HK$73.15
Each (In a Pack of 5)
units
- Male Cat3 Cable Mount 1 8 RJ45 Shielded Right Angle - 11.7 mm - 30.2 mm 12.9 mm
RS Stock No. 426-2426
Mfr. Part No.NE8FAV-YK
BrandNeutrik
HK$84.54
Each
units
RJ45 Connector Female Cat5 Cable Mount 1 8 RJ45 Unshielded Straight - 25.5mm - - -