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4 layers72 × 35 mmSplitX 3, the printed circuit board in 3D

TODO: Make sure they can be made with with SMD assembly

Size
72 × 35 mm
Copper layers
4
Thickness
4.69 mm
Parts
14
Nets
3
Pads
28
Tracks, vias
0, 0
Pours
3
Routed
Not yet
KiCad
KiCad 8.0 (file 20240108)
Created
13 Jun 2025
Updated
19 Jun 2025

Overview

SplitX 3 is an open-source printed circuit board by Open-Source-Model-Railway-Electronics, from the Open-Source-Model-Railway-Electronics/Wire-Splits repository on GitHub. It is a 4-layer board of 72 × 35 mm with 14 parts on 3 nets.

README

README.md

Wire-Splits

TODO: Make sure they can be made with with SMD assembly

Parts

14
QtyValueFootprintReferences
8Screw_Terminal_01x03TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_HorizontalJ1, J2, J3, J4, J5, J6, J7, J8

The 8 most common of 14 parts.

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Questions

How big is the SplitX 3 PCB?

It measures 72 × 35 mm and has 4 copper layers, 4.69 mm thick.

What parts does the SplitX 3 use?

14 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the SplitX 3 KiCad files?

From the Open-Source-Model-Railway-Electronics/Wire-Splits repository on GitHub, at the commit this page was made from: the board is hardware/SplitX_3/SplitX_3.kicad_pcb and its schematic hardware/SplitX_1/SplitX_1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the SplitX 3 design in my own project?

Its repository states no licence, so its author keeps all rights: ask Open-Source-Model-Railway-Electronics before reusing the design.