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Catalog 1308638
Dimensions are in inches and
Dimensions are shown for
USA: 1-800-522-6752
South America: 55-11-3611-1514
Revised 8-05
millimeters unless otherwise
reference purposes only.
Canada: 1-905-470-4425
Hong Kong: 852-2735-1628
specified. Values in brackets
Specifications subject
Mexico: 01-800-733-8926
Japan: 81-44-844-8013
www.tycoelectronics.com
are metric equivalents.
to change.
C. America: 52-55-5-729-0425
UK: 44-141-810-8967
Rectangular Connectors
43
R
e
c
ta
n
g
u
la
r
C
o
n
e
c
to
rs
2
MCEM Series Metal Shell Edgeboard Connectors (Continued)
Mother Board (Pin Side)
40, 44, 80, 110 &
128 Positions
No. of
A
B
Contacts
± .010
± .005
[± .254]
[± .127]
40
1.750
1.500
44.45
38.10
44
1.850
1.600
46.99
40.64
80
2.750
2.500
69.85
63.50
110
3.500
3.250
88.90
82.55
128
3.950
3.700
100.33
93.98
Note: For PC Boards of different widths, consult
Tyco Electronics.
Dimensions for .062 [1.57] PC Board
Items in bold italic are qualified to MIL-DTL-55302.
Configuration shown is per MIL-DTL-55302/120.
Section A-A
.325–.375
[8.26–9.53]
Typ.
.260–.300
[6.60–7.62]
Typ.
Polarizing Key Location
2 Plcs.
#2-56 UNC-2B Thd.
Pin Contact/Lead Assy.
Insulator Assy.
Epoxy
25 AWG Copper
Wire, Gold Plated,
Solder Dipped
Hex Polarizing Key
2 Supplied (Loose Packed)
A
B
.400
[10.16]
.050
[1.27]
.050
[1.27]
.250
[6.35]
.091–.098
[2.31–2.49]
.100
[2.54]
Typ.
.075
[1.91]
Typ.
.075
[1.91]
Typ.
.050
[1.27]
Typ.
B4
B3
A1
A2
A3
A4
B2
B1
Thru
2 Plcs.