Micro Edgeboard - .050" Contact Spacing
MEB
The Micro Edgeboard (MEB) connector series
provides a combination of high density and
high reliability for applications in airborne and
space systems, computers and peripherals, and
industrial /commercial control systems. This
series incorporates the proven
MICROPIN
TM
/MICROSOCKET
TM
contact. This con-
tact has an outstanding record of high
reliability and millions of contacts are in use in
various applications where electrical
interconnects are used.
The MEB has machined aluminum shells for
ruggedness, diallyl phthalate insulator for top
electrical performance and a 36-position
polarization key system to prevent cross plug-
ging. Contacts are on .050 (1.27) center
spacings. A variety of termination types are
available, including 90˚ or right angle pigtails
for multi-layered P.C. boards, "coke bottle”
termination for double-sided P.C. boards.
Harnessing capability is also available for both
pin and socket sides.
The MEB, including the SBR 90˚ or right angle
variation available for multi-layer boards, can
be mounted on the female (daughter) side of
double or single-sided P.C. boards. The mating
male (mother) board side can have the
terminations formed to meet the application
demands.
Conforms to MIL-C-55302/120 thru 123. (not
qualified)
Specifications
TERMINATION TYPES
MATERIALS AND FINISHES
Shell:
6061-T6 Aluminum Alloy per QQ-A-200/8 or QQ-A-225/8, electroless nickel per
Consult factory for stranded wie lead modifications codes.
SAE AMS-C-26074, Class 4, except .0010 to .0015 (0.03 to 0.04) thick or conversion
coating per MIL-C-5541, Class 3, color gold.
MECHANICAL FEATURES
Contact, Pin and Socket: Copper Alloy, 50 microinch gold per ASTM B488, Type II, Code C, Class 1.25
Size or Length:
2 sizes
Coupling:
Friction/Jackscrew
303 stainless steel, passivated per QQ-P-35.
Jackscew/Jackpost:
r
Polarization:
Shells, polarizing keys (36 positions)
Insulator:
Glass-filled diallyl phthalate per MIL-M-14, Type SDG-F, color green Polyester
per MIL-M-24519, Type GPT-30F , color black available for MEB-128 upon
Contact Spacing Centers: .050 (1.27)
request.
Shell Styles:
Plug and receptacle
How to Order
Not applicable for printed
circuit board configurations
shown on pages D-67 & D-68.
R
RoHS COMPLIANCE
SERIES PREFIX
MEB 1 - 128 P
* * ***
D
CONTACT SPACING
LAYOUT
Microminiature
CONTACT TYPE
TERMINATION MODIFICATIONS
LEAD LENGTH
OTHER MODIFICATIONS
SERIES PREFIX
Micro edgeboard, plug with twist pin
MEB -
contacts or recept. with microsocket
contacts.
TERMINATION MODIFICATIONS
Uninsulated solid wire
L-
Insulated stranded round harness
H-
wire
Solder pots
S-
PC board right angle, socket side only
BR -
LEAD LENGTH
Consult factory for wire lead modification codes.
OTHER MODIFICATIONS
Consult factory
CONTACT SPACING
1 - .050 (1.27) centers 128/184
2 - .100 (2.54) centers 64/92
(alternate contact holes)
LAYOUT
64, 92, 128, 184
CONTACT TYPE
P - Pin
S - Socket
* For other contact spacing acommodations consult customer service.
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
D-66
www.ittcannon.com
Micro Edgeboard - .050" Contact Spacing
MEB
Plug (Mother Board)
MEB1-12BS
A
.050 (1.27)
B1
B
.050
(1.27)
A1
RETAINING PIN HOLES
C
F H
#24 AWG
.250 (6.35)
E
.180 ± .005
(4.57 ± .13)
G
D
.0945 ± .0035 (2.40 ± .09) DIA.
THRU .187 (4.75) X .045 (1.14) DEEP "C" BORE 2 PLACES "A" SIDE ONLY
.187 (4.75) DIA. THRU "B"SIDE ONLY
Part No.
128S
128SBR
Weight
oz. (gm.) Max.
.5 (14.17)
.5 (14.17)
A
±.015 (0.38)
3.950 (100.33)
B
±.010 (0.25)
.250 (6.35)
C
±.010 (0.25)
.400 (10.16)
D
±.010 (0.25)
3.700 (93.98)
E
±.010 (0.25)
.300 (7.62)
F
Max.
.280 (7.11)
G*
Max.
.030 (0.76)
H
±.020 (0.51)
.200 (5.08)
*Will accept up to .093 (2.36) thick P.C. Board with shell modifications.
Receptacle (Daughter Board)
MEB1-12BS
A
.050 (1.27)
B1
B
D
.050
(1.27)
A1
Microminiature
RETAINING PIN HOLES
C
F H
#24 AWG
.250 (6.35)
E
.180 ± .005
(4.57 ± .13)
G
D
.0945 ± .0035 (2.40 ± .09) DIA.
THRU .187 (4.75) X .045 (1.14) DEEP "C" BORE 2 PLACES "A" SIDE ONLY
.187 (4.75) DIA. THRU "B"SIDE ONLY
Part No.
128S
128SBR
Weight
A
oz. (gm.) Max. ±.015 (0.38)
.5 (14.17)
3.950 (100.33)
.5 (14.17)
B
±.010 (0.25)
.250 (6.35)
C
±.010 (0.25)
.400 (10.16)
D
±.010 (0.25)
3.700 (93.98)
E
±.010 (0.25)
.300 (7.62)
F
Max.
.280 (7.11)
G*
Max.
.030 (0.76)
H
±.020 (0.51)
.200 (5.08)
*Will accept up to .093 (2.36) thick P.C. Board with shell modifications.
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
www.ittcannon.com
D-67
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