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. 878-7405
Mfr. Part No.J00026A2003
HK$191.19
Each
units
RJ45 Connector Male Cat6a Cable Mount - 8P8C RJ45 Shielded Straight IP20 49mm - 13.8mm 16.2mm
RS Stock No. 331-6386
BrandRS PRO
HK$1.46
Each (In a Pack of 100)
units
RJ45 Connector Male - Cable Mount - 8P8C RJ45 Unshielded Straight - - - - -
RS Stock No. 878-7409
Mfr. Part No.J00026A2113
HK$201.24
Each
units
RJ45 Connector Male Cat6a Cable Mount - 8P8C RJ45 Shielded Straight IP20 49mm - 13.8mm 16.2mm
RS Stock No. 171-1848
Mfr. Part No.J00026A2113
HK$188.313
Each (In a Pack of 10)
units
RJ45 Connector Male Cat6a Cable Mount - 8P8C RJ45 Shielded Straight IP20 49mm - 13.8mm 16.2mm
RS Stock No. 765-3695
Mfr. Part No.J00026A2001
HK$198.66
Each
units
RJ45 Connector Male Cat6a Cable Mount - 8P8C RJ45 STP Straight - 49mm - 16.2mm 13.8mm
RS Stock No. 413-380
Mfr. Part No.SS-39200-011
HK$19.648
Each (In a Pack of 5)
units
RJ45 Connector Male Cat6a Cable Mount 1 8 RJ45 Shielded Straight - 13.71mm - - 42.4mm
RS Stock No. 878-7418
Mfr. Part No.J00026A2112
HK$166.42
Each
units
RJ45 Connector Male Cat6a Cable Mount - 8P8C RJ45 Shielded Straight IP20 49mm - 13.8mm 16.2mm
RS Stock No. 171-1851
Mfr. Part No.J00026A2112
HK$172.189
Each (In a Pack of 10)
units
RJ45 Connector Male Cat6a Cable Mount - 8P8C RJ45 Shielded Straight IP20 49mm - 13.8mm 16.2mm
RS Stock No. 465-9713
Mfr. Part No.09451151100
BrandHARTING
HK$387.52
Each
units
RJ45 Connector Female Cat5 - - 4 RJ45 Shielded - IP65, IP67 - - - -
RS Stock No. 468-6232
Mfr. Part No.PX0833
BrandBulgin
HK$530.34
Each
units
RJ45 Connector Female Cat5e, Cat6a Panel Mount 1 8 RJ45 Shielded Straight IP68 - - - 32.95mm
RS Stock No. 385-1384
Mfr. Part No.ENSP3F5C305
HK$898.73
Each
units
RJ45 Connector Female, Male - Panel Mount - 8 RJ45 F/UTP Straight IP67 305mm - - -
RS Stock No. 368-9690
Mfr. Part No.39100-002
HK$22.588
Each (In a Pack of 5)
units
RJ45 Connector Male Cat6 Cable Mount - 8P8C Plug UTP - - 7.92mm - 11.68mm 22.48mm
RS Stock No. 199-3133
Mfr. Part No.943-SP370808-M2
HK$5.742
Each (In a Pack of 10)
units
RJ45 Connector Male Cat5 Cable Mount 1 8 RJ45 Unshielded Straight - 11.67mm - - 22.46mm
RS Stock No. 736-9886
Mfr. Part No.HFJ11-1G41E-L12RL
HK$120.12
Each
units
RJ45 Connector - - - - - - UTP Straight - 13.64mm - 15.88mm 21.59mm
RS Stock No. 798-0701
Mfr. Part No.RCP-5SPFFH-TCU7001
HK$79.51
Each
units
RJ45 Connector Female Cat5e Panel Mount - 8/8 Jack STP Straight IP67 37.6mm - 26mm -
RS Stock No. 800-6781
Mfr. Part No.44915-0001
BrandMolex
HK$15.62
Each
units
RJ45 Connector Male Cat6 Cable Mount - 8P8C Modular Plug - - - - - - -
RS Stock No. 719-6436
Mfr. Part No.TM31P-TM-88P(71)
BrandHirose
HK$22.076
Each (In a Bag of 5)
units
RJ45 Connector Male Cat6a Cable Mount - 8P8C Plug Shielded Straight - 30.2mm - 11.7mm 12.9mm
RS Stock No. 408-6777
Mfr. Part No.111-0808LB16-34
BrandSentinel
HK$13.085
Each (In a Pack of 10)
units
RJ45 Connector Male Cat5e Cable Mount 1 8 Plug Unshielded Straight - 11.68mm - - 22.48mm
RS Stock No. 791-8504
BrandRS PRO
HK$18.512
Each (In a Pack of 5)
units
RJ45 Connector Male Cat6, Cat6a Cable Mount - 8P8C Modular Plug UTP Straight - 22.5mm - 11.68mm 7.9mm
RS Stock No. 821-2949
Mfr. Part No.MHRJ458P8CR
HK$3.468
Each (In a Pack of 5)
units
RJ45 Connector Male Cat5e Cable Mount - 8P8C Modular Plug UTP Straight - 22.48mm - 11.68mm -