Micro-D Metal Shell - .050" Contact Spacing
MDM connectors are used in applications
requiring highly reliable, extremely small, light-
weight connectors with higher density contact
configurations than available in traditional rec-
tangular connectors. They are available in 8
shell sizes accommodating from 9 to 100 con-
tacts, and special arrangements of power and
coaxial contacts.
These connectors are designed to meet the rap-
idly increasing demands for an environmental,
high performance, rugged, moisture-sealed
microminiature connector. This connector
MDM
employs size 24 MICROPIN
TM
/MICROSOCKET
TM
contacts on .050 (1.27) centers in a contact
density identical to the standard MICRO-D con-
nector series, but with these additional features:
• Aluminum shells to provide greater
strength, prevent chipping, cracking or
breaking, offer electromagnetic (EMI) and
RFI shielding.
• Silicone elastomer compression interfacial
seal to provide a moisture and humidity
seal between each contact and between
contacts and shell.
Specifications
STANDARD MATERIALS AND FINISHES
MECHANICAL FEATURES
Shell
Coupling
- 6061-T6 Aluminum alloy per
- Friction/jackscrews
QQ-A-200/8, yellow chromate/
Polarization
- Keystone-shaped shells
cadmium, Type II, Class 3 over
Contact Spacing
- .050 (1.27)
electroless nickel per SAE
Centers
AMS-C-26074, Class 4.
- Plug and receptacle
- Liquid Crystal Polymer per MIL-M-24519, Shell Styles
Insulator
Type GLCP-30F (9-100)
No. of Contacts
- 9 thru 100 signal;
5 signal/2 coaxial;
- Glass filled diallyl phthalate per
5 signal/2 power;
MIL-M-14, Type SDGF (7*2 and 24*4)
11 signal/5 coaxial;
- Polyphenylene sulfide per
11 signal/5 power;
MIL-M-24519, Type GST-40F (16*5)
0 signal/10 coaxial;
- Polyester per MIL-M-24519, Type
0 signal/10 power;
GPT-30F (10*10)
20 signal/4 coaxial;
- Copper alloy, gold plate
Contacts
20 signal/4 power
Mounting Hardware - 300 Series stainless steel, passivate
Kit, Jackpost (3) items - 300 Series stainless steel, passivate
- 400 Series stainless stell, passivate
Washer
Standard Epoxy
- Hysol EE4215/HD3561, color black
or Hysol EE4198/HD3561, color green
Coaxial Cable
Wire Size
- RG - 178/U
- #24 thru #32 AWG
Contact Termination - Multiple indent crimp
Performance Data
The table below summarizes the results of key tests performed in accordance with MIL-STD-1344, where
applicable. Data is applicable to standard connectors with standard termination. Variations may affect this
data, so please consult customer service for further information on your requirements.
Test
Method
Criteria of Acceptance
Dielectric
Withstanding
Voltage
Insulation
Resistance
Thermal Shock
Physical
Shock
Vibration
Durability
Moisture
Resistance
Salt Spray
Contact Resistance
(MIL-STD-202)
Contact Retention
Method 3001:
600
VAC at sea level
150 VAC at
70,00'
altitude
Method 3003
Method 1003.
Condition A:
-
55˚C
to
+125˚C
Method
2004, Condition E:
50 G's,
3 axes,
6
millisecond
duration sawtooth pulse
Method
2005, Condition
IV:
20 G's,
10-2,000
Hz.
12 hrs
500
cycles of mating and
unmating,
500 CPH
max.
Method 1002, Type II, omit steps
7a & 7b
Method 1001,
Condition B:
48 hours
Method 1001,
Condition B:
At
3 amps
At
1 milliamp
Per
MIL-DTL-83513
No
breakdown
No
breakdown
5,000
megohms minimum
No
physical damage
No
physical damage
No
loss of continuity
>
1
µsec
No
physical damage
No
loss of continuity
>
1
µsec
No
mechanical or electrical defects
Insulation resistance
>
100 megohms
Shall be capable of mating and unmating,
and meet contact resistance requirements
8
milliohms maximum
10 milliohms maximum
5
lb. minimum axial load
Dimensions shown in inch (mm)
Specifications and dimensions subject to change
www.ittcannon.com
7
Micro-D Metal Shell - .050" Contact Spacing
How to Order
For MIL-DTL-83513 ordering information see pages 16 and 17
RoHS COMPLIANCE
SERIES
CONTACT ARRANGEMENTS
CONTACT TYPE
TERMINATION TYPE
TERMINATION CODE
HARDWARE
SHELL FINISH MOD CODES
TERMINATION CODE*
(H) 001 - 18",7/34 strand,#26 AWG,
MIL-W-16878/4, Type E Teflon, yellow.
(H) 003 - 18", 7/34 strand, #26 AWG,
MIL-W-16878/4, Type E Teflon,
color coded to MIL-STD-681 System I.
(L) 1 - 1/2" uninsulated solid #25
AWG gold plated copper.
(L) 2 - 1" uninsulated solid #25 AWG
gold plated copper.
SHELL FINISH MOD CODES
No Number - (Standard cadmium/yellow
chromate over nickel
A174 - Electroless nickel
A172 - Gold over nickel
A141 - Irridite/alodine
A30 - Black anodize
R
MDM -
51
P
H
001
MDM
P
- XXX
SERIES
MDM: (Size 9-100) Liquid Crystal Polymer (LCP)
MDM: (Combo Layout) Diallyl Phthalate (DAP)
CONTACT ARRANGEMENTS
9-15-21-25-31-37-51-100 (standard)
16C5, 10C10, 7C2, 24C4 (coaxial) or combination of
coax and power
16P5, 10P10, 7P2, 24P4 (power)
}
CONTACT TYPE
S - Socket
P - Pin
TERMINATION TYPE
H - Harness-insulated wire.
L - Solid-uninsulated wire.
S - Solder pot to accept #26 AWG MAX.
harness wire. (Not available with power
contact arrangements.)
HARDWARE
M - Military specification hardware, see
page 11 for military hardware codes.
P - Jackpost
K - Jackscrew-standard profile
L - Jackscrew-low profile
F - Float mount
B - No hardware standard
.091 (2.31) dia. hole for sizes 9-51;
.120 (3.05) dia. hole for size 100.
A - .125 (3.18) dia. mounting holes for sizes 9-51;
.166 (4.22) dia. hole for size 100.
B1 - .1475 (3.75) dia. hole for size 100
(Per MIL-DTL-83513)
*See page 79 and 81 for additional Termination codes.
Dimensions shown in inch (mm)
Specifications and dimensions subject to change
www.ittcannon.com
8
Micro-D Metal Shell - .050" Contact Spacing
COTS or Non Mil-Spec or Commercial or Industrial Standard Wire Termination Codes
Cannon Modification Code (Not MS)
MDM
The following termination codes are listed for your information. For additional codes please refer
to Appendix on page 79 and 81.
All wire lengths are minimum.
Harness Type (H)
#26 AWG per MIL-W-16878/4, 7/34 strand, type E Teflon, stranded.
Solid Uninsulated Type (L)
#25 AWG gold plated copper
Length
3 (76.2)
6 (152.4)
8 (203.2)
10 (254.0)
12 (304.8)
18 (457.2)
20 (508.0)
24 (609.6)
30 (762.0)
36 (914.4)
48 (1219.2)
72 (1828.8)
120 (3048.0)
* Cavity #1 black
All Yellow
H020
H019
H026
H029
H028
H001
H038
H009
H010
H011
H013
H017
H042
Color Coded*
H027
H016
H034
H025
H002
H003
H023
H004
H005
H006
H048
H046
H041
Termination Code
L61
L56
L57
L39
L58
L1
L14
L2
L7
L6
L16
L10
Length
.125 (3.18)
.150 (3.81)
.190 (4.83)
.250 (6.35)
.375 (9.52)
.500 (12.70)
.750 (19.05)
1.000 (25.40)
1.500 (38.10)
2.000 (50.80)
2.500 (63.50)
3.000 (76.20)
Contact Arrangements
(Face View of Pin insert - Use Reverse Order for Socket Side)
Standard
.025
(0.64)
TYP.
.050
(1.27)
TYP.
4 5 6
.043
(1.09)
7
8
9
10
11
1
2
3
4
5
1
2
3
4
5
6
7
8
1
2
3
6
7
8
9
9
10 11 12 13 14 15
12
13 14 15 16 17 18 19 20 21
9 Contacts
1
2
3
4
5
6
7
8
9
10
11 12 13
1
2
3
4
5
6
15 Contacts
7
8
9
10
11 12 13 14 15 16
1
2
3
4
5
6
7
21 Contacts
8
9
10
11 12 13 14 15 16 17 18 19
14
15 16 17 18 19 20 21 22 23 24
25
17
18 19 20 21 22 23
24 25 26 27 28 29 30 31
20 21 22 23
24 25 26 27 28 29 30 31 32 33 34 35 36 37
25 Contacts
31 Contacts
1
2
3
4
5
6
7
8
37 Contacts
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
46 47 48 49 50 51
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
51 Contacts
Contact identification numbers are for reference only and do not appear on insulator or connector body.
Coaxial
A5
A1
100 Contacts
.103
A1
A2
1
5
8
9
2
6
10
3
7
11
4
A3
A4
.320
(8.13)
1
4
2
5
3
A2
A1
A2
1
.714 (18.14)
.460 (11.68)
2
8
3
4
5
6
7
A3
A4
9 10 11 12 13
14 15 16 17 18 19 20
Size 51 Shell
11 Micro contact
5 Coax or 5 Power
A1
Size 25 Shell
5 Micro contact
2 Coax or 2 Power
A2
A6
A7
A3
A8
A4
A9
A5
A10
Size 51 Shell
20 Micro contacts
4 Coax or 4 Power
(Not MS)
.007
(0.18)
Size 100 Shell
0 Micro contact
10 Coax or 10 Power
Dimensions shown in inch (mm)
Specifications and dimensions subject to change
www.ittcannon.com
9
Micro-D Metal Shell - .050" Contact Spacing
COTS or Non Mil-Spec or Commercial or Industrial Shell Dimensions
(Conforms to MIL-DTL-83513)
Plug
TWO MTG. HOLES
.091 ±.003(2.31 ±0.08)
F
E
A
.416 (10.57)
MAX.
C
.284 (7.21)
MAX.
B
MDM
.186 (4.72)
MAX.
.093
(2.36)
REF.
.110 (2.79)
MAX.
G
D
.200 (5.08)
MAX.
Solder Pot
Receptacle
TWO MTG. HOLES
.091 ±.003(2.31 ±0.08)
F
.296 (7.52)
MAX.
B
.110 (2.79)
MAX.
G
D
.200 (5.08)
MAX.
.093
(2.36)
REF.
E
.429 (10.09)
MAX.
A
C
.198 (5.03)
MAX.
Solder Pot
Receptacle (MDM-100 only)
TWO MTG. HOLES
.120 ±.003(3.05 ±0.08)
.429 (10.90)
MAX.
.394 (10.01)
MAX.
.198 (5.03)
MAX.
B
.093 (2.36)
REF.
G
D
E
.296 (7.52)
MAX.
Pigtail termination
F
A
C
Part Number
By Shell Size
MDM-9P*
MDM-9S*
MDM-15P*
MDM-15S*
MDM-21P*
MDM-21P*
MDM-25P*
MDM-25S*
MDM-31P*
MDM-31S*
MDM-37P*
MDM-37S*
MDM-51P*
MDM-51S*
MDM-100P*
A
Max.
.785 (19.94)
.785 (19.94)
.935 (23.75)
.935 (23.75)
1.085 (27.56)
1.085 (27.56)
1.185 (30.10)
1.185 (30.10)
1.335 (33.91)
1.335 (33.91)
1.485 (37.72)
1.485 (37.72)
1.435 (36.45)
1.435 (36.45)
2.170 (55.12)
B
Max.
.334 (8.48)
.402 (10.21)
.484 (12.29)
.552 (13.97)
.634 (16.10)
.702 (17.83)
.734 (18.64)
.802 (20.37)
.884 (22.45)
.952 (24.18)
1.034 (26.26)
1.102 (27.99)
.984 (24.99)
1.052 (26.72)
1.384 (35.15)
C
Max.
.400 (10.16)
.400 (10.16)
.550 (13.97)
.550 (13.97)
.700 (17.78)
.700 (17.78)
.800 (20.32)
.800 (20.32)
.950 (24.13)
.950 (24.13)
1.100 (27.94)
1.100 (27.94)
1.050 (26.67)
1.050 (26.67)
1.442 (36.63)
D
Max.
.270 (6.86)
.270 (6.86)
.270 (6.86)
.270 (6.86)
.270 (6.86)
.270 (6.86)
.270 (6.86)
.270 (6.86)
.270 (6.86)
.270 (6.86)
.270 (6.86)
.270 (6.86)
.310 (7.87)
.310 (7.87)
.360 (9.14)
E
Max.
.308 (7.82)
.308 (7.82)
.308 (7.82)
.308 (7.82)
.308 (7.82)
.308 (7.82)
.308 (7.82)
.308 (7.82)
.308 (7.82)
.308 (7.82)
.308 (7.82)
.308 (7.82)
.351 (8.92)
.351 (8.92)
.394 (10.01)
F
+_.005
(0.13)
.565 (14.35)
.565 (14.35)
.715 (18.16)
.715 (18.16)
.865 (21.97)
.865 (21.97)
.965 (24.51)
.965 (24.51)
1.115 (28.32)
1.115 (28.32)
1.265 (32.13)
1.265 (32.13)
1.215 (30.86)
1.215 (30.86)
1.800 (45.72)
G
Max.
.185 (4.70)
.253 (6.43)
.185 (4.70)
.253 (6.43)
.185 (4.70)
.253 (6.43)
.185 (4.70)
.253 (6.43)
.185 (4.70)
.253 (6.43)
.185 (4.70)
.253 (6.43)
.228 (5.79)
.296 (7.52)
.271 (6.88)
Average Weights**
oz. (gm.) ±5%
.063 (1.79)
.063 (1.79)
.084 (2.39)
.083 (2.37)
.105 (2.99)
.104 (2.97)
.119 (3.39)
.118 (3.36)
.140 (3.99)
.139 (3.96)
.161 (4.59)
.160 (4.56)
.193 (5.50)
.188 (5.35)
.500 (14.3)
1.040 (29.5)
MDM-100S*
2.170 (55.12)
1.508 (38.10)
*Add lead type and length; see How To Order.
1.442 (36.63)
.360 (9.14)
.394 (10.01)
1.800 (45.72)
.394 (10.01)
***Weight given is 1/2", uninsulated, solid, #25 AWG gold plated copper pigtails.
Panel Mounting Dimensions (Sizes 9 - 100)
.200 ±.005
(5.08 ±0.13)
.300 ±.005
(7.62 ±0.13)
.395 ±.005
(10.03 ±0.13)
Plug and Receptacle
Rear Mounted
Plug and Receptacle
Front Mounted
Plug Front Mounted
Receptacle Rear Mounted
Dimensions shown in inch (mm)
Specifications and dimensions subject to change
www.ittcannon.com
10
Micro-D Metal Shell - .050" Contact Spacing
Panel Cutouts
NOTE: See page 13 for rear panel mounting configuration.
Shell Sizes 9 thru 51
.450±.002
(11.43±0.05)
C
.030 (0.76) TYP.
MDM
C
D
TYP.
C
D
TYP.
A
.100
+.005
-.000
(2.54)
+0.13
)
R TYP.
-0.00
D
B
+ +
+ +
B
.015 (0.38)R.
MAX.(TYP)
FULL R. (TYP.)
FULL R.
(TYP.)
A
26˚/27˚TYP
FULL R.
(TYP.)
PANEL REF.
Figure 1
Front Mounting
Figure 2
Rear Mounting
Figure 3
Edgeboard Mounting
Shell Size 100
.450+_.002
.118
+.005
-.000
-0.00
1.805
+.005
-.000
-0.00
(3.00
+0.13
)
(45.85
+0.13
)
.361
+.004
-.000
+.005
-.000
(3.00
+0.13
)
-0.00
.118
+.005
-.000
(45.85
+0.13
)
-0.00
(11.43+_0.05)
.030
(0.76) TYP.
1.805
+.005
-.000
(45.85
+0.13
)
-0.00
1.805
+.005
-.000
(3.00
+0.13
)
-0.00
.118
.401
-.000
+.004
(9.17
+0.10
)
-0.00
1.456
.015 (0.38)
R. MAX (TYP.)
+.004
-.000
(10.18
+0.10
)
-0.00
+ +
+ +
(36.98
+0.10
)
-0.00
FULL R. (TYP.)
1.520
-.000
.125
(3.18
)
+.004
(38.61
+0.10
)
-0.00
FULL R. (TYP.)
FULL R. (TYP.)
PANEL REF.
Figure 1
Front Mounting
Figure 2
Rear Mounting
Figure 3
Edgeboard Mounting
For 9-51 Shell Sizes
NOTES:
1. Front panel mounting is the preferred mounting
method. Front panel mounting dimensions
(figure 1) will accommodate either #2-56 screws
or jackpost hardware.
2. Rear panel mount dimensions (figure 2) will
accommodate #2-56 screw hardware only.
When mounting the connector with rear panel
mount jackpost see the panel cut-out
dimensions.
3. Edgeboard mounting bracket (figure 3) uses #2-
56 screws. Dimension .450+/-.002 (11.43+/-
0.05) locates the MDM receptacle flush with the
end of the board.
For 100 Shell Size
NOTES:
1. Front mounting is the preferred mounting
method. Front panel mounting dimensions
(figure 1) will accommodate either #4-40 screws
or jackpost hardware.
2. Rear panel mount dimensions (figure 2) will
accommodate #4-40 screw hardware only see
the panel cut-out dimensions.
3.Edgeboard mounting bracket (figure 3) uses #4-
40 screws. Dimension .450+/-.002 (11.43+/-
0.05) locates the MDM receptacle flush with the
end of the board.
Shell
Size
9
Cutout
Figure
1
2
3
1
A
+.004
-.000
.408
.401
-
.558
.551
-
.708
.701
-
.808
.801
-
.958
.951
-
1.108
1.101
-
1.058
1.051
-
B
+.004
-.000
.271
.252
-
.271
.252
-
.271
.252
-
.271
.252
-
.271
.252
-
.271
.252
-
.315
.295
C
+.005
-.000
.570
.570
.570
.720
.720
.720
.870
.870
.870
.970
.970
.970
1.120
1.120
1.120
1.270
1.270
1.270
1.220
1.220
1.220
D
+.005
-.000
.089
.089
.089
.089
.089
.089
.089
.089
.089
.089
.089
.089
.089
.089
.089
.089
.089
.089
.089
.089
.089
15
2
3
1
21
2
3
1
25
2
3
1
31
2
3
1
37
2
3
1
51
2
3
Dimensions shown in inch (mm)
Specifications and dimensions subject to change
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11
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