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PCB Database

Printed Circuit Boards, PCBs

circuit board
Overview of, guide to, common sizes

PCB Database v0.8.6. Data retrieved Thursday 2017-12-14

row#NameOriginIntroducedEnd of Life AreaL/DW/HCommentsUse1
MainPC
Use2
SpecPC
Use3
Emb
Use4
Comm
Use5
SBC/COM
1AdvancedMCPICMG200402133.2 cm2
20.6 in2
180 x 74 mm
7.1 x 2.9 in
MicroTCA00110
2ATCAPICMG200112902 cm2
139.7 in2
280 x 322 mm
11 x 12.7 in
AdvancedTCA00010
3ATXIntel1995744.2 cm2
115.2 in2
305 x 244 mm
12 x 9.6 in
succeeded Baby AT10000
4COM ExpressPICMG200412119 cm2
18.4 in2
95 x 125 mm
3.7 x 4.9 in
1
5CompactPCI-3UPICMG1995 (?)160 cm2
24.8 in2
160 x 100 mm
6.3 x 3.9 in
also 6U variant00000
6CompactPCI-6UPICMG1995 (?)373 cm2
57.8 in2
160 x 233 mm
6.3 x 9.2 in
also a 3U variant00100
7DTXAMD200701488 cm2
75.6 in2
244 x 200 mm
9.6 x 7.9 in
01000
8ETXKontron2000108.3 cm2
16.8 in2
95 x 114 mm
3.7 x 4.5 in
see also XTX00100
9Eurocard-100x160IEC-60297-3.1986160 cm2
24.8 in2
160 x 100 mm
6.3 x 3.9 in
many variants00000
10FlexATXIntel1999433 cm2
67.5 in2
228 x 190 mm
9 x 7.5 in
0
11microATXIntel1997595.4 cm2
92.3 in2
244 x 244 mm
9.6 x 9.6 in
10000
12microATX(min)Intel1997292 cm2
45.6 in2
171 x 171 mm
6.75 x 6.75 in
10000
13Mini-DTXAMD200701340 cm2
52.7 in2
170 x 200 mm
6.7 x 7.9 in
01000
14Mini-ITXVIA200111289 cm2
44.9 in2
170 x 170 mm
6.7 x 6.7 in
01000
15Mobile-ITXVIA20070633.8 cm2
5.2 in2
75 x 45 mm
3 x 1.8 in
COM00100
16Nano-ITXVIA2003[2005]144 cm2
22.1 in2
120 x 120 mm
4.7 x 4.7 in
first actual in ITX-family01000
17NLX(max)Intel1997787 cm2
122.4 in2
345 x 228 mm
13.6 x 9 in
01000
18PC/104PC/104 Consortium198786.5 cm2
13.4 in2
90.2 x 95.9 mm
3.55 x 3.775 in
00100
19Pico-ITXVIA20070172 cm2
11.2 in2
100 x 72 mm
3.9 x 2.8 in
01000
20XTXXTX consortium2005108.3 cm2
16.8 in2
95 x 114 mm
3.7 x 4.5 in
see also ETX00100
21BTXIntel2003864.5 cm2
134.4 in2
325 x 266 mm
12.8 x 10.5 in
succeeding ATX et al10000
22ATIBM198419971067 cm2
165 in2
350 x 305 mm
13.8 x 12 in
earliest common PC form factor10000
23Baby ATIBM19851997712.8 cm2
110.5 in2
330 x 216 mm
13 x 8.5 in
succeeded AT10000
24LPXWestern Digital19871998517 cm2
80 in2
235 x 220 mm
9.2 x 8.7 in
non-formalized10000
25ITXVIA200103200103410 cm2
63.7 in2
215 x 191 mm
8.5 x 7.5 in
never used00000

                Maximum Size
Year            Width-Length
Intr. Type      In Inches
BTX (Balanced Technology Extended)
2004  BTX       12.8 - 10.5
2004  microBTX  10.4 - 10.5
2004  picoBTX    8   - 10.5
ATX (Advanced Technology Extended)
1999  FlexATX    9   -  7.5
1997  microATX   9.6 -  9.6
1996  Mini ATX  11.2 -  8.2
1995  ATX       12   -  9.6
1995  EATX      12   - 13     Extended ATX
LOW PROFILE (Expansion cards plug into riser)
2002  EmbATX     9.6 -  9.6   Embedded ATX
1997  NLX        9   - 13.6   NLX=New Low Profile
1987  LPX        9   - 13     Western Digital
1987  Mini LPX   9   - 11     Western Digital
MISCELLANEOUS
2002  Mini ITX   6.7 -  6.7   VIA Technologies
1998  WTX       14   - 16.75  Workstation TX
FIRST PCs
1987  Micro AT   8.5 -  8.5
1987  Baby AT    8.5 - 13
1984  AT        12   - 13
1981  PC/XT      8.5 - 13

Database Access Revision History

Rev Date Notes
v0.7 Fri 2008-05-30 Own code for data retrieval from database, listing all records
v0.8 Sun 2008-06-01 Enabled sorting on all fields, including ASC and DESC, and icon indicating current direction
v0.8.1 Tue 2008-06-10 Bold values for sorted-field in table
v0.8.2 Tue 2008-06-10 Changed names of some database fields
v0.8.3 Fri 2008-08-22 Added noWrap to Area and L/D-W/H columns
v0.8.4 Sun 2008-08-24 Fixed parameter bug in tdF(); as now using PHP5, which is more strict
v0.8.5 Sun 2008-11-09 Fixed multiple small bugs (undefined variables... maybe our host have updated some sw?)
v0.8.6 Thu 2009-03-19 Fixed undefined variable bug (minor-cosmetic).