Xem Studiomeasured geometry

Library › Electronic components › Modules, sensors & displays ·

WIZnet Ethernet HAT (W5100S) for Raspberry Pi Pico: 68 × 21 mm board and RJ45 jack position

What are the WIZnet Ethernet HAT dimensions and where is the RJ45 jack? · Modern device · basis: WIZnet Ethernet HAT V1.0.0 Gerber files and the UDE RB1-125BAG1A RJ45 datasheet.

Also called: WIZnet Ethernet HAT, wiznet w5100s, wiznet ethernet hat, W5100S Ethernet HAT for Pico, raspberry pi pico ethernet hat, wiznet ethernet hat dimensions

Exact dimensions. Every file is drawn at true size with no tolerance added. The holes and pins that meet another part are listed below under Mating features, with the fit each joint needs; open those by your process's clearance before making the part. Mating features

length
72.9 mm
width
21.0 mm
height
14.35 mm

Notes

  • Datum: board centred on X and Y, bottom on z=0, components on top; −X is the RJ45 end.
  • Board 68.0 × 21.0 × 1.0 mm, square corners, no mounting holes (it stacks on the Pico via two 1×20 2.54 mm headers along the ±Y edges).
  • RJ45 jack 21.79 × 15.75, x −38.9..−17.11, centred in Y, top 13.35 above the board; its front face overhangs the −X board edge by 4.9.
  • Overall 72.9 long including the RJ45 overhang, 14.35 high.
  • Not modelled: the headers, W5100S IC and passives. Exact nominal mm.

Mating features

Drawn at the exact size. Open press, slide, run and socket features by your process's clearance (tolerances by process); leave designed gaps and clamp fits as drawn.

featureexactmates withfitfiles
RJ45 jack15.75 wide × 13.35 above board, face 4.9 past −X edgeRJ45 panel cutout / Ethernet plugdesignedall
Pico headers2 × 1×20, 2.54 pitch along ±Y edgesRaspberry Pi Pico pinssocketall

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

WIZnetWIZnet Ethernet HAT documentationwebPublisher's page; dimensions are facts
UDE / ChipsmallRB1-125BAG1A RJ45 datasheetwebPublisher's page; dimensions are facts

Free files

★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json

wiznet-ethernet-hat-w5100sWIZnet Ethernet HAT (W5100S) for Raspberry Pi Pico: 68 × 21 mm board and RJ45 jack positionSTEP · STL
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
Set it up →

Plain text: sheet.txt · JSON: /api/geometry?object=wiznet-ethernet-hat-w5100s

WIZnet Ethernet HAT (W5100S) for Raspberry Pi Pico: 68 × 21 mm board and RJ45 jack position, isometric render of a generated part
Render of wiznet-ethernet-hat-w5100s from the free STEP; not to scale.

Fits with

Raspberry Pi Pico51×21×1 mm★ sheet
Raspberry Pi Pico 251×21×1 mm★ sheet
Micro-USB (Molex 47346) and Mini-USB (Lumberg 2486) receptacles, isometric render of a generated part
Micro-USB (Molex 47346) and Mini-USB (Lumberg 2486) receptacles2 sizes★ 2 files
2.54 mm pin headers, 1×2 to 2×20, vertical and right-angle, isometric render of a generated part
2.54 mm pin headers, 1×2 to 2×20, vertical and right-angle30 sizes★ 30 files
Adafruit PiCowbell boards and Pico cases, isometric render of a generated part
Adafruit PiCowbell boards and Pico cases10 sizes★ 10 files

Questions

How big is the WIZnet Ethernet HAT?

68.0 × 21.0 mm board; 72.9 mm long and 14.35 mm high including the RJ45 jack.

How far does the RJ45 stick out?

Its front face is 4.9 mm past the board edge; the jack is 15.75 mm wide and 13.35 mm above the board.