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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
44
MCEM Series Metal Shell Edgeboard Connectors (Continued)
Daughter Board
(Socket Side)
40, 44, 80, 110 &
128 Positions
MCE
M1
128
L
6
L
4
0.5
Lead Length in Inches (min.)
Z — Wire layout as illustrated.
Insulation Color or Finish
1 — All white wire
4 — Gold plated
7 — Color coded per
2 — All yellow wire
5 — Tin dipped gold plated
MIL-STD-681, System 1
3 — All gray wire
6 — Bare (unfinished)
8 — Special color code
9 — Ten solid color repeating
(starts with black)
Wire Size
4–24 AWG
5–25 AWG
6–26 AWG
8–28 AWG
0–30 AWG
Connector Series
Material
M1 — Metal Shell
Layout
40, 44, 80, 110, 128, 152, 184
Contact Type
L — Low Force Pin (Mother Board Connector)
SL — Low Force Socket* (Daughter Board Connector)
X — Special, does not fit description below.
S — Solder pots for 26 AWG max.
Wire Type
*A — Type E, 7 strand
*D — Type ET, 19 strand
G — 19 strand per MIL-C-22759/11
*B — Type ET, 7 strand
F — 7 strand per MIL-C-22759/11
26 AWG, 24 AWG
*C — Type E, 19 strand
(#28 AWG only)
L — Copper, solid
Q — Stranded per MIL-W-22759/33
*Per MIL-W-16878
Items in bold italic are qualified to MIL-DTL-55302.
Configuration shown is per MIL-DTL-55302/121.
Polarization – Hexagonal hardware is supplied with connector.
Mounting — Standard mounting holes are shown. Consult Tyco Electronics for modifications.
How To Specify
.125
[3.18]
Section B-B
Section A-A
Retaining Pin
4 Supplied
(Loose Packed)
Polarizing Key
2 Supplied
(Loose Packed)
2 Plcs.
.060
[1.52]
3 Plcs.
.030
[0.76]
Max.
.250
[6.35]
Max.
.050
[1.27]
Typ.
.250
[6.35]
.050
[1.27]
.050
[1.27]
2 Plcs.
.180
[4.57]
2 Plcs.
.330
[8.38]
2 Plcs.
Retaining Pin Holes
4 Plcs.
Polarizing Key Location
2 Plcs.
.275
[6.99]
.150
[3.81]
Min.
Solder Dip Typ.
.071
[1.80]
.200 ±.015
[5.08 ± .381]
Min.
at B
Epoxy
Insulator Assy.
Skt. Contact/
Lead Assy.
24 AWG
Copper Wire,
Gold Plated
.187
[4.75]
Thru 1 Wall
.091–.098
[2.31–2.49]
C’Bore .187 [4.75] x
.045 [1.14] Deep
(A Side Only)
.071–.076
[1.80–1.93]
2 Plcs.
.250
[6.35]
B
A
B
B2
A2
A1
B1
A
B
Thru Hole
2 Plcs.
Note: Board thickness .070 [1.78] Max.