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Blog / What is an RJ45 Connector?
What is an RJ45 Connector?
August 11, 2016


What is an RJ45 Connector?

RJ45 connectors are commonly referred to as Ethernet Connectors.

A registered jack (RJ) is a standardized physical network interface for connecting telecommunications or data equipment. The physical connectors that registered jacks use are mainly of the modular connector and 50-pin miniature ribbon connector types. The most common twisted-pair connector is an 8-position, 8-contact (8P8C) modular plug and jack commonly referred to as an RJ45 connector.

Available in RJ10, RJ11, RJ12, RJ13, and RJ45 types, LINK-PP Devices’ line of modular connectors offers a variety of position and contact options including 4P4C, 6P2C, 6P4C, 6P6C, 8P8C, and 8P10C. These modular jacks further feature vertical or horizontal orientations, surface mount, panel mount, and through-hole mounting styles, and single port, 1x2, 2x4, 2x6, and 2x8 port options. Select models also offer shielding, mounting flanges or spring tabs, high-temperature plastic, and reflow solder compatibility. LINK-PP Devices’ range of RJ45 connectors carries additional features including integrated magnetics, Power over Ethernet (PoE), LED indicators, and speeds of 10/100 or 10/100/1000 BaseT, 2.5G, 5G, 10G.


Product TypeSpeedApplicationPort TypePackageLatch OptionOthers
Rj45 Mag Jack10/100 Base-TEthernet(non PoE)1x1THTTab upLED

1000 Base-TPoE1xN [N=2,4,6,8]SMTTab downBob-Smith

2.5G Base-TPoE+2xN [N=2,4,6,8]THRUp & DownDC Rectifier

5G Base-TPoE++2xN[N=2,3,4,6,8]Low Profile
GDT

10G Base-T
VerticalMid PCB
TVS



Rj45 With USB


Product TypeSpeedApplicationPort TypePackage
Lan Discrete Module10/100 Base-TEthernet(non PoE)Single PortTHT

1000 Base-TPoEDual PortSMT

2.5G Base-TPoE+Quad PortLow Profile

5G Base-TPoE++


10G Base-T


Product TypeSpeedOrientationPort TypePackageLatch OptionLEDShield
RJ Modular JackCat3,Cat5,Cat5e,Cat690°1x1THTTab upWithWith
(None Magnetic)
180°1xN [N=2,3,4,5,6,8]SMTTab downWithoutWithout


45°2x1THRUp & Down




2xN[N=2,3,4,6,8]Low Profile






Mid PCB



Current Uses of RJ45 Devices

RJ45 devices are chiefly used to connect an internet-enabled device (such as a PC) with another network device such as a server, router, modem, smart TV, gaming console, and other devices that use the Ethernet protocol. Ethernet networks are common in both professional and domestic environments. Hardwiring using RJ45 devices enables higher data speeds with stability and security of data transfer, making them also attractive for use in industry and on the factory floor.

What is an RJ45 Connector?