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2 layers424 × 139.2 mm5251-replacement pcb, the printed circuit board in 3D

5251-replacement pcb

listofoptions/5251-replacement-pcb4

a replacement pcb for the ibm 5251

Open in PCBKitView on GitHub.kicad_pcb
Size
424 × 139.2 mm
Copper layers
2
Thickness
1.6 mm
Parts
92
Nets
28
Pads
295
Tracks, vias
1,407, 0
Pours
14
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
30 Dec 2020
Updated
30 Dec 2020

Overview

5251-replacement pcb is an open-source printed circuit board by listofoptions, from the listofoptions/5251-replacement-pcb repository on GitHub. It is a 2-layer board of 424 × 139.2 mm with 92 parts on 28 nets, routed with 1,407 tracks and 0 vias.

It is built around the PAD1. Its parts include 79 ICs and 1 connector.

Main components

1

Parts

92
QtyValueFootprintReferences
1'beamspring pad:BEAMSPRING_PADU62
1,,beamspring pad:BEAMSPRING_PADU82
1-_beamspring pad:BEAMSPRING_PADU16
1..beamspring pad:BEAMSPRING_PADU83
1/beamspring pad:BEAMSPRING_PADU84
10beamspring pad:BEAMSPRING_PADU15
11beamspring pad:BEAMSPRING_PADU6
12beamspring pad:BEAMSPRING_PADU7
13beamspring pad:BEAMSPRING_PADU8
14beamspring pad:BEAMSPRING_PADU9
15beamspring pad:BEAMSPRING_PADU10
16beamspring pad:BEAMSPRING_PADU11
17beamspring pad:BEAMSPRING_PADU12
18beamspring pad:BEAMSPRING_PADU13
19beamspring pad:BEAMSPRING_PADU14
1;beamspring pad:BEAMSPRING_PADU61
1<>beamspring pad:BEAMSPRING_PADU51
1=+beamspring pad:BEAMSPRING_PADU17
1Abeamspring pad:BEAMSPRING_PADU52
1Bbeamspring pad:BEAMSPRING_PADU79
1BACKSPACEbeamspring pad:BEAMSPRING_PADU18
1BANG-CENTbeamspring pad:BEAMSPRING_PADU39
1Cbeamspring pad:BEAMSPRING_PADU77
1CONTROLbeamspring pad:BEAMSPRING_PADU27
1Conn_01x30beamspring card edge:BEAMSPRING-CARD-EDGEJ1
1Dbeamspring pad:BEAMSPRING_PADU54
1DUPbeamspring pad:BEAMSPRING_PADU22
1Ebeamspring pad:BEAMSPRING_PADU31
1ENTER/REC_ADVbeamspring pad:BEAMSPRING_PADU87
1ERROR_RESETbeamspring pad:BEAMSPRING_PADU74
1ERROR_RESET_SENSEbeamspring pad:SENSE_PADU73
1Fbeamspring pad:BEAMSPRING_PADU55
1F1beamspring pad:BEAMSPRING_PADU2
1F10beamspring pad:BEAMSPRING_PADU72
1F1_SENSEbeamspring pad:SENSE_PADU1
1F2beamspring pad:BEAMSPRING_PADU3
1F3beamspring pad:BEAMSPRING_PADU24
1F3_SENSEbeamspring pad:SENSE_PADU23
1F4beamspring pad:BEAMSPRING_PADU25
1F5beamspring pad:BEAMSPRING_PADU47
1F5_SENSEbeamspring pad:SENSE_PADU46
1F6beamspring pad:BEAMSPRING_PADU48
1F7beamspring pad:BEAMSPRING_PADU70
1F7_SENSEbeamspring pad:SENSE_PADU69
1F8beamspring pad:BEAMSPRING_PADU71
1F9beamspring pad:BEAMSPRING_PADU26
1F9_SENSEbeamspring pad:SENSE_PADU49
1FIELD+beamspring pad:BEAMSPRING_PADU68
1FIELD-beamspring pad:BEAMSPRING_PADU45
1FIELD_EXITbeamspring pad:BEAMSPRING_PADU41
1Gbeamspring pad:BEAMSPRING_PADU56
1Hbeamspring pad:BEAMSPRING_PADU57
1Ibeamspring pad:BEAMSPRING_PADU36
1Jbeamspring pad:BEAMSPRING_PADU58
1Kbeamspring pad:BEAMSPRING_PADU59
1Lbeamspring pad:BEAMSPRING_PADU60
1LEFT_SHIFTbeamspring pad:BEAMSPRING_PADU50
1LEFT_TABbeamspring pad:BEAMSPRING_PADU20
1Mbeamspring pad:BEAMSPRING_PADU81
1Nbeamspring pad:BEAMSPRING_PADU80
1Obeamspring pad:BEAMSPRING_PADU37
1Pbeamspring pad:BEAMSPRING_PADU38
1PAD.beamspring pad:BEAMSPRING_PADU91
1PAD0beamspring pad:BEAMSPRING_PADU90
1PAD0_SENSEbeamspring pad:SENSE_PADU88
1PAD1beamspring pad:BEAMSPRING_PADU65
1PAD2beamspring pad:BEAMSPRING_PADU89
1PAD3beamspring pad:BEAMSPRING_PADU67
1PAD4beamspring pad:BEAMSPRING_PADU42
1PAD5beamspring pad:BEAMSPRING_PADU66
1PAD6beamspring pad:BEAMSPRING_PADU44
1PAD7beamspring pad:BEAMSPRING_PADU19
1PAD8beamspring pad:BEAMSPRING_PADU43
1PAD9beamspring pad:BEAMSPRING_PADU21
1Qbeamspring pad:BEAMSPRING_PADU29
1Rbeamspring pad:BEAMSPRING_PADU32
1RETURNbeamspring pad:BEAMSPRING_PADU64
1RIGHT_SHIFTbeamspring pad:BEAMSPRING_PADU86
1RIGHT_TABbeamspring pad:BEAMSPRING_PADU28
1RIGHT_TAB_SENSEbeamspring pad:SENSE_PADU4

The 80 most common of 92 parts.

Questions

How big is the 5251-replacement pcb PCB?

It measures 424 × 139.2 mm and has 2 copper layers, 1.6 mm thick.

What parts does the 5251-replacement pcb use?

92 parts, built around the PAD1. 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 5251-replacement pcb KiCad files?

From the listofoptions/5251-replacement-pcb repository on GitHub, at the commit this page was made from: the board is 5251/5251.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the 5251-replacement pcb design in my own project?

Its repository states no licence, so its author keeps all rights: ask listofoptions before reusing the design.

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