Embedded RJ45 connectors with integrated transformers

Take a look at your PCB. Which component stands out the most? I am sure it is not the huge connector RS3-21001D1A
This is an archive article published 05/03/2017. Some information may no longer be up to date and in line with the current state. Please contact us in case of interest.

There are many devices that we connect to Ethernet with standard connector RJ45. And thanks to IoT, the number is increasing. Many times it’s just simple small boxes and if we didn’t have that RJ45 that determines the construction height of the PCB, they would be even smaller. We bring you a simple solution – because brilliant solutions are simple.

RS3-21001D1A is a standard modular jack 8P8C with integrated transformers and two LEDs. But! It is so-called sunk version. You can save at least 3,75mm in comparison with low profile version but even 5,75mm comparing with the standard versions.

In case of interest, please contact us at sales@soselectronic.com.

Features/Advantages:

  • RJ45 1x1 Tab Up
  • Through Hole, Slim, Sink
  • 10/100 Base-T
  • LED L: Green, LED R: Yellow
  • Construction height above PCB: 7,75mm (in comparison with standard 13,5mm or 11,5mm at Low Profile versions)

Main products


RS3-21001D1A UDE  
RS3-21001D1A

Modular Jack RJ45 w/Magnet. 100 Base-T, Board Edge, Cutout, Through Hole

Western Modular/ RJ Connectors

Ord. No.: 209139
Manufacturer: UDE
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