Micro-D Metal Shell - .050" Contact Spacing
MDM
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
rapidly increasing demands for an environmen-
tal, high performance, rugged, moisture-sealed
microminiature connector. This connector
employs size 24 MICROPIN
TM
/MICROSOCKET
TM
contacts
on .050 (1.27) centers in a contact density identical to
the standard MICRO-D connector 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
- Friction/jackscrews
- 6061-T6 Aluminum alloy per
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)
- 9 thru 100 signal;
No. of Contacts
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
Washer
- 400 Series stainless stell, passivate
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.
D
Test
Method
Criteria of Acceptance
Microminiature
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 inches (mm)
Specifications and dimensions subject to change
www.ittcannon.com
D-7
Micro-D Metal Shell - .050" Contact Spacing
MDM
How to Order
For MIL-DTL-83513 ordering information see pages D-15 and D-16.
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
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
16P5, 10P10, 7P2, 24P4 (power)
coax and power
}
CONTACT TYPE
P - Pin
S - Socket
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 B-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 D-9 for a list of standard termination codes.
D
Microminiature
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
D-8
www.ittcannon.com
Micro-D Metal Shell - .050" Contact Spacing
MDM
COTS or Non Mil-Spec or Commercial or Industrial Standard Wire Termination Codes
Cannon Termination Code (Not MS)
The following termination codes are listed for your information. For additional codes please refer
to Appendix on page D-98 to D-102.
All wire lengths are minimum.
Harness Type (H)
#26 AWG per MIL-W-16878/4, 7/34 strand, type E Teflon, stranded.
n ns a e Type ( )
#25 AWG gold plated copper
en
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
e
H020
H019
H026
H029
H028
H001
H038
H009
H010
H011
H013
H017
H042
r
H027
H016
H034
H025
H002
H003
H023
H004
H005
H006
H048
H046
H041
e
Ter
na
L61
L56
L57
L39
L58
L1
L14
L2
L7
L6
L16
L10
n
e
en
.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
D
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
Microminiature
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 inches (mm)
Specifications and dimensions subject to change
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D-9
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