Dimensions are shown in mm (inch)
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89
MDM
High Reliability Connectors Microminiature MDM Connectors
Product Features
u Non-magnetic
u Non-outgassing
u Moisture and humidity seal between
contacts and between contacts and shell,
provided by compression interfacial seal
u MDM Connector layout : 9, 15, 21, 25, 31,
37, 51 cavities
u MDM contact centers : 1,27 (.050)
u Distance between :
- 2 adjacent contacts : 1,27 (.050)
- 2 contact rows : 1,09 (.043)
u High performance MicropinTM contact
system ( “twist pin” spring male contact and
tubular socket contact)
u Non removable crimp type contacts
u The Connectors are supplied with the
Terminations or Cables installed in factory
High performance Microminiature connectors, ESA
qualified, for space applications.
Suitable for Board-to Board, Board-to Cable or Cable-to
Cable applications.
Space/High reliability MDM connectors meet stringent
tests for outgassing and residual magnetism and are suitable
for use in space, medical, and high performance military/
aerospace applications.
MDM connectors meet the performance of the ESCC 3401
and MIL-PRF-83513 Specifications and the dimensional
requirements of the ESCC 3401/031 Detail Specification.
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MDM
High Reliability Connectors Microminiature MDM Connectors
Materials and Finishes
Shells Aluminium alloy
Finish A174 : 25,4 µm min. (1000 µin min.) electroless Nickel over Copper underlay
Finish FR172 : 2,54 µm min. (100 µin min.) Gold over 25,4 µm min. (1000 µin min.) electroless Nickel
Insulators LCP (Liquid Crystal Polymer) thermoplastic material, UL 94-V0, glass-filled, black color
Female contacts Copper alloy / Finish : 1,27 µm (50 µin) min. Gold over Copper underlay
Male contacts Copper alloy / Finish : 1,27 µm (50 µin) min. Gold over Copper underlay
MDM PCB Housings Diallylphtalate thermoset material, UL 94-VO, glass-filled, dark green color
Interfacial Seals Fluorosilicone elastomere, pink color
Screwlocks Stainless Steel type 303, passivated
Accessories Stainless Steel type 303, passivated
Dust Caps Polyethylene thermoplastic material, transparent pink color
Encapsulant Epoxy
Uninsulated rigid Wire Copper / Finish : 1,27 µm (50 µin) min. Gold over 2,54 (100 µin) min. Silver underlay
ESCC 3901/013 Cables Copper alloy / Finish 2,00 µm (79 µin) min. Silver / Extruded PTFE Insulation
ESCC 3901/002 Cables Copper alloy / Finish 2,00 µm (79 µin) min. Silver / Wrapped Polyimide tape Insulation
MIL-W-16878/4 Cables Copper alloy / Finish Silver coating / Extruded PTFE Insulation
Quality Levels
ESA Quality Level.
The Dole plant (France) is qualified by ESA for the supply of Microminiature connectors Type MDM, according to the ESCC Generic Specification
N° 3401, and to the applicable ESCC Detail Specifications n° 3401/029 (MDM Connectors), 3401/041 (Connector Savers) and 3401/032 (Accessories).
First qualification obtained in 1986 (renewed every 2 years).
Qualification certificate : 140 (MDM).
Applications : Flight equipments, satellites, launchers (ESA requirements).
FR022 Quality Level.
“Commercial Space Grade”.
C&K Connector Specification CS FR022, amendment to the ESCC Generic Specification n° 3401, for low cost products manufactured :
- in the same ESA qualified site
- through the same manufacturing and control processes
- with the same piece parts (except for the cables : MIL-W-16878/4 instead of ESCC 3901)
- with lighter controls, documentation and traceability
Applications : Engineering models, ground equipments, testing, some flight equipments (no need for high requirements).
The connectors and accessories, supplied according to these 2 quality levels, are totally compatible, interchangeable, and intermateable, as they are
manufactured with the same piece parts (except for the cables), in the same ESA qualified site.
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High Reliability Connectors Microminiature MDM Connectors
Performance Specifications
Operating Temperature range -55°C / +125°C (-67°F / +257°F)
Storage Temperature range -55°C / +125°C (-67°F / +257°F)
Working Voltage
(between contacts and contact and shell) Sea level 33000 m (108240 feet) altitude
150 Vrms 100 Vrms
Rated Current Solid uninsulated Wire AWG 26 Wire AWG 28 Wire
2,5 A max. 2,5 A max. 1,5 A max.
Insulation Resistance (500 V DC) 5000 MW min.
Voltage Proof 600 Vrms / 2.0 mA max. leakage current
Contact Retention in insert 22,25 N max. / No contact axial displacement allowed
Engagement / Separation Forces
(Male Contacts)
Gauge Fixture Inner diameter Separation Force (N min.) Engagement Force (N max.)
min. / max.
Max. 0,559 (.0220) / 0,564 (.0222) 1,667
Min. 0,582 (.0229) / 0,587 (.0231) 0,137
Mating / Unmating Forces
Shell Size Mating Force (N max.) Unmating Force (N min.) Unmating Force (N
max.)
9 20 1.3 20
15 33 2.0 33
21 47 2.9 47
25 55 3.5 55
31 69 4.3 69
37 82 5.1 82
51 113 7.1 113
100 222 --- 222
Mechanical Endurance 500 cycles mating/unmating
Contact Resistance Low level current (10 mA / 20 mV DC) : 6.0 mW max.
Rated current : 5.0 mW max.
Maximum Rated Current
Nb of Contacts per Connector Solid uninsulated Wire AWG 26 Wire AWG 28 Wire
2 to 4 2,0 A max. 2,0 A max. 1,4 A max.
5 to 14 1,8 A max. 1,8 A max. 1,2 A max.
15 and over 1,4 A max. 1,4 A max. 0,9 A max.
Maximum Weight
Shell Size FR112 to FR116 & FR123 (1) FR136 (2) FR136A (2) FR139 (2) Savers (2)
9 2.2 g 7.4 g 7.4 g 4.6 g 4.0 g
15 3.0 g 7.8 g N.A. 5.0 g 5.5 g
21 3.8 g 8.5 g N.A. 5.4 g 7.0 g
25 4.3 g 10.2 g N.A. 6.5 g 8.0 g
31 5.1 g 12.2 g N.A. 7.7 g 9.5 g
37 5.9 g 14.4 g N.A. 9.2 g 10.0 g
51 7.2 g 16.5 g N.A. N.A. 13.5 g
Note (1) : Connector with contacts and rear potting, without cables and accessories
Add : 0.4 g for float mount (code F)
Add : 1.0 g for captive nut (code E)
Note (2) : Connectors with contacts and rear potting
Solid Uninsulated Wire 1.60 g / m
Insulated Cable AWG26 (ESCC 390101302B) 2.30 g / m
Insulated Cable AWG28 (ESCC 390101301B) 1.80 g / m
Insulated Cable AWG26 (ESCC 390100256B) 1.93 g / m
Insulated Cable AWG28 (ESCC 390100261B) 1.23 g / m
Hardwares : see pages 31 to 38
Residual Magnetism Level 20000 Gamma max. (NM)
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High Reliability Connectors Microminiature MDM Connectors
Contact Design
The high-performance and reliable contact characteristics are obtained by the MicropinTM contact system.
The flexible “twist-pin” spring contact consists of 7 strands of 0,127 (.005) diameter beryllium copper wire helically wound around a core of 3 strands
0,09 (.0035) diameter soft copper wire.
This wire bundle is crimped into a sleeve at one end. The other end is terminated with a hemispherically shaped weld.
The wire bundle is compressed to create a bulge with a diameter slightly larger than the socket inside diameter.
The pin elongates and twists when it enters the socket. Electrical contact is maintained along 7 spiral lines.
The socket is a precision-made tube with a chamfered lead-in.
Normal mating conditions Severe misalignment
Twist-pin contacts will mate even under severe misalignment.
The flexible twist-pin is recessed into the insulator and the rigid socket is exposed, reversing the traditional positions of pin and socket.
During mating, the socket is guided into the pin insulator by the lead-in chamfer.
The pin is kept from flexing beyond the socket capture radius by the walls of the cavity.
The hemispherical weld of controlled radius at the tip of the pin combines with the lead-in chamfers of the socket contact and the pin insulator to cam
the pin into alignment.
By controlling the welding process and the dimensions of the socket contact and the insulators, it is impossible for the recessed pin to escape the socket
capture radius.
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MDM
High Reliability Connectors Microminiature MDM Connectors
Dimensions
Shell Size (Plug)
Shell Size (Receptacle)
Shell Size 9 15 21 25 31 37 51
Amax. 19,94 (.785) 23,75 (.935) 27,56 (1.085) 30,10 (1.185) 33,91 (1.335) 37,72 (1.485) 36,45 (1.435)
B1 max. 8,46 (.333) 12,27 (.483) 16,08 (.633) 18,62 (.733) 22,43 (.883) 26,24 (1.033) 24,97 (.983)
B2 max. 10,16 (.400) 13,97 (.550) 17,78 (.700) 20,32 (.800) 24,13 (.950) 27,94 (1.100) 26,67 (1.050)
Cmax. 10,16 (.400) 13,97 (.550) 17,78 (.700) 20,32 (.800) 24,13 (.950) 27,94 (1.100) 26,67 (1.050)
Dmax. 6,86 (.270) 6,86 (.270) 6,86 (.270) 6,86 (.270) 6,86 (.270) 6,86 (.270) 7,87 (.310)
Emax. 7,82 (.308) 7,82 (.308) 7,82 (.308) 7,82 (.308) 7,82 (.308) 7,82 (.308) 8,92 (.351)
F± 0,13 (.005) 14,35 (.565) 18,16 (.715) 21,97 (.865) 24,51 (.965) 28,32 (1.115) 32,13 (1.265) 30,86 (1.215)
G1 max. 4,65 (.184) 4,65 (.184) 4,65 (.184) 4,65 (.184) 4,65 (.184) 4,65 (.184) 5,74 (.227)
G2 max. 6,38 (.252) 6,38 (.252) 6,38 (.252) 6,38 (.252) 6,38 (.252) 6,38 (.252) 7,47 (.295)
H1 max. 10,57 (.416) 10,57 (.416) 10,57 (.416) 10,57 (.416) 10,57 (.416) 10,57 (.416) 10,57 (.416)
H2 max. 10,90 (.429) 10,90 (.429) 10,90 (.429) 10,90 (.429) 10,90 (.429) 10,90 (.429) 10,90 (.429)
J1 max. 4,72 (.186) 4,72 (.186) 4,72 (.186) 4,72 (.186) 4,72 (.186) 4,72 (.186) 4,72 (.186)
J2 max. 5,05 (.199) 5,05 (.199) 5,05 (.199) 5,05 (.199) 5,05 (.199) 5,05 (.199) 5,05 (.199)
Lmax. Termination Length : see page 8
M1 max. 7,26 (.286) 7,26 (.286) 7,26 (.286) 7,26 (.286) 7,26 (.286) 7,26 (.286) 7,26 (.286)
M2 max. 7,59 (.299) 7,59 (.299) 7,59 (.299) 7,59 (.299) 7,59 (.299) 7,59 (.299) 7,59 (.299)
N± 0,13 (.005) 2,29 (.090) 2,29 (.090) 2,29 (.090) 2,29 (.090) 2,29 (.090) 2,29 (.090) 2,29 (.090)
Øs± 0,08 (.003) 2,31 (.091) 2,31 (.091) 2,31 (.091) 2,31 (.091) 2,31 (.091) 2,31 (.091) 2,31 (.091)
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High Reliability Connectors Microminiature MDM Connectors
Terminations
Code Quality
Level Dimensions and composition of the Terminations or Cables
AWG Length Strands Sheath Conductor
dia. Conductor sect. Sheath dia. Cable Ref.
FR112
FR112A
H038
ESA
ESA
FR022 26 508,00 min.
(20.000 min.)
7
19
7
PTFE
Polyimide
PTFE
0,50 mm max.
0,53 mm max.
0,48 mm max.
0,14 mm2 nom.
0,15 mm2 nom.
0,14 mm2 nom.
0,89 mm
max.
0,78 mm
max.
1,10 mm
max.
ESCC
390101302
ESCC
390100256
MIL-W-16878/4
FR113
FR113A
H011
ESA
ESA
FR022 26 914,00 min.
(36.000 min.)
7
19
7
PTFE
Polyimide
PTFE
0,50 mm max.
0,53 mm max.
0,48 mm max.
0,14 mm2 nom.
0,15 mm2 nom.
0,14 mm2 nom.
0,89 mm
max.
0,78 mm
max.
1,10 mm
max.
ESCC
390101302
ESCC
390100256
MIL-W-16878/4
FR123
FR123A
CDRI (*)
ESA
ESA
FR022 26 4000,00 min.
(157.480
min.)
7
19
7
PTFE
Polyimide
PTFE
0,50 mm max.
0,53 mm max.
0,48 mm max.
0,14 mm2 nom.
0,15 mm2 nom.
0,14 mm2 nom.
0,89 mm
max.
0,78 mm
max.
1,10 mm
max.
ESCC
390101302
ESCC
390100256
MIL-W-16878/4
FR114
FR114A
H038-
AWG28
ESA
ESA
FR022 28 508,00 min.
(20.000 min.)
7
19
7
PTFE
Polyimide
PTFE
0,42 mm max.
0,43 mm max.
0,39 mm max.
0,09 mm2 nom.
0,10 mm2 nom.
0,09 mm2 nom.
0,82 mm
max.
0,68 mm
max.
1,00 mm
max.
ESCC
390101301
ESCC
390100261
MIL-W-16878/4
FR115
FR115A
H011-
AWG28
ESA
ESA
FR022 28 914,00 min.
(36.000 min.)
7
19
7
PTFE
Polyimide
PTFE
0,42 mm max.
0,43 mm max.
0,39 mm max.
0,09 mm2 nom.
0,10 mm2 nom.
0,09 mm2 nom.
0,82 mm
max.
0,68 mm
max.
1,00 mm
max.
ESCC
390101301
ESCC
390100261
MIL-W-16878/4
FR116
L2 ESA
FR022 25 25,40 min.
(1.000 min.) Solid uninsulated wire
(Gold finish) 0,455mm
max. 0,162 mm2 nom. Straight Pigtail Terminations
FR136
FR136 ESA
FR022 25 4,50 ± 0,35
(.177 ± .014) Solid uninsulated wire
(Gold finish) 0,455mm
max. 0,162 mm2 nom. 90° bent PCB Terminations
(Sizes 9 to 51)
FR136A
FR136A ESA
FR022 25 3,50 ± 0,20
(.138 ± .008) Solid uninsulated wire
(Gold finish) 0,455mm
max. 0,162 mm2 nom. 90° bent PCB Terminations
(Size 9 / Narrow profile)
FR139
FR139 ESA
FR022 25 4,50 ± 0,35
(.177 ± .014) Solid uninsulated wire
(Gold finish) 0,455mm
max. 0,162 mm2 nom. Straight PCB Terminations
(Size 9 to 37)
Other termination types available on request : CDRI (*)
Shell Size 9 15 21 25 31 37 51
FR112 + … Yes Yes Yes Yes Yes Yes Yes
FR113 + … Yes Yes Yes Yes Yes Yes Yes
FR123 + … Yes Yes Yes Yes Yes Yes Yes
FR114 + … Yes Yes Yes Yes Yes Yes Yes
FR115 + … Yes Yes Yes Yes Yes Yes Yes
FR116 + … Yes Yes Yes Yes Yes Yes Yes
FR136 Yes Yes Yes Yes Yes Yes Yes
FR136A Yes N.A. N.A. N.A. N.A. N.A. N.A.
FR139 Yes Yes Yes Yes Yes Yes N.A.
Availability per
Shell Size
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High Reliability Connectors Microminiature MDM Connectors
Connector Type FR136 / 90° bent PCB Terminations (Shell Sizes 9 to 37)
Shell Size 9 15 21 25 31 37
Amax. 35,31 (1.390) 39,12 (1.540) 42,93 (1.690) 45,47 (1.790) 51,82 (2.040) 59,44 (2.340)
B± 0,18 (.007) 29,21 (1.150) 33,02 (1.300) 36,83 (1.450) 39,37 (1.550) 45,72 (1.800) 53,34 (2.100)
C± 0,13 (.005) 14,35 (.565) 18,16 (.715) 21,97 (.865) 24,51 (.965) 28,32 (1.115) 32,13 (1.265)
Dmax. 11,56 (.455) 11,56 (.455) 11,56 (.455) 11,56 (.455) 11,56 (.455) 11,56 (.455)
øEmax. 0,46 (.018) 0,46 (.018) 0,46 (.018) 0,46 (.018) 0,46 (.018) 0,46 (.018)
F± 0,35 (.014) 4,50 (.177) 4,50 (.177) 4,50 (.177) 4,50 (.177) 4,50 (.177) 4,50 (.177)
G± 0,20 (.008) 1,50 (.059) 1,50 (.059) 1,50 (.059) 1,50 (.059) 1,50 (.059) 1,50 (.059)
H± 0,38 (.015) 3,17 (.125) 3,17 (.125) 3,17 (.125) 3,17 (.125) 3,17 (.125) 3,17 (.125)
JTyp. 9,53 (.375) 7,62 (.300) 5,72 (.225) 4,45 (.175) 3,81 (.150) 3,81 (.150)
KTyp. 2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100)
K1 ± 0,25 (.010) 3,81 (.150) 3,81 (.150) 3,81 (.150) 3,81 (.150) 3,81 (.150) 3,81 (.150)
L± 0,05 (.002) 2,05 (.081) 2,05 (.081) 2,05 (.081) 2,05 (.081) 2,05 (.081) 2,05 (.081)
M± 0,10 (.004) 9,10 (.358) 9,10 (.358) 9,10 (.358) 9,10 (.358) 9,10 (.358) 9,10 (.358)
N± 0,15 (.006) 5,30 (.209) 5,30 (.209) 5,30 (.209) 5,30 (.209) 5,30 (.209) 5,30 (.209)
øP (*) ± 0,15 (.006) 2,45 (.096) 2,45 (.096) 2,45 (.096) 2,45 (.096) 2,45 (.096) 2,45 (.096)
Q± 0,10 (.004) 0,30 (.012) 0,30 (.012) 0,30 (.012) 0,30 (.012) 0,30 (.012) 0,30 (.012)
Rmin. 4,60 (.181) 4,60 (.181) 4,60 (.181) 4,60 (.181) 4,60 (.181) 4,60 (.181)
øSTyp. 2-56-UNC-2B 2-56-UNC-2B 2-56-UNC-2B 2-56-UNC-2B 2-56-UNC-2B 2-56-UNC-2B
Note (*) : Maximum torque 0.44 Nm.
F
Front Shell dimensions : see page 93
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High Reliability Connectors Microminiature MDM Connectors
Connector Type FR136 / 90° bent PCB Terminations (Shell Size 51)
Note (*) : Maximum torque 0.44 Nm.
Front Shell dimensions : see page 93
Shell Size 51
Amax. 47,63 (1.875)
B± 0,18 (.007) 40,64 (1.600)
C± 0,13 (.005) 30,86 (1.215)
Dmax. 14,35 (.565)
øEmax. 0,46 (.018)
F± 0,35 (.014) 4,50 (.177)
G± 0,20 (.008) 1,50 (.059)
H± 0,38 (.015) 3,17 (.125)
JTyp. 1,27 (.050)
KTyp. 2,54 (.100)
K1 ± 0,25 (.010) 3,81 (.150)
L± 0,05 (.002) 2,05 (.081)
M± 0,10 (.004) 10,25 (.404)
N± 0,15 (.006) 5,96 (.235)
øP (*) ± 0,15 (.006) 2,45 (.096)
Q± 0,10 (.004) 0,30 (.012)
Rmin. 4,60 (.181)
øSTyp. 2-56-UNC-2B
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High Reliability Connectors Microminiature MDM Connectors
Connector Type FR136A / 90° bent PCB Terminations, Narrow Profile (Shell Size 9)
Front Shell dimensions : see page 93
Shell Size 9
Amax. 23,12 (.910)
B± 0,13 (.005) 14,35 (.565)
C± 0,13 (.005) 14,35 (.565)
Dmax. 11,50 (.453)
øEmax. 0,46 (.018)
F± 0,20 (.008) 3,50 (.138)
H± 0,38 (.015) 6,86 (.270)
KTyp. 2,54 (.100)
K1 Typ. 0,20 (.008)
M± 0,10 (.004) 9,10 (.358)
N± 0,15 (.006) 5,30 (.209)
øPTyp. M2 x 0,4
Q± 0,10 (.004) 0,30 (.012)
Rmin. 4,60 (.181)
øSTyp. 2-56-UNC-2B
T± 0,38 (.015) 6,86 (.270)
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High Reliability Connectors Microminiature MDM Connectors
Connector Type FR139 / Straight PCB Terminations (Shell Sizes 9 to 37)
Shell Size 9 15 21 25 31 37
Amax. 35,31 (1.390) 35,31 (1.390) 42,93 (1.690) 44,20 (1.740) 51,82 (2.040) 59,44 (2.340)
B± 0,18 (.007) 29,21 (1.150) 29,21 (1.150) 36,83 (1.450) 38,10 (1.500) 45,72 (1.800) 53,34 (2.100)
C± 0,13 (.005) 14,35 (.565) 18,16 (.715) 21,97 (.865) 24,51 (.965) 28,32 (1.115) 32,13 (1.265)
Dmax. 7,82 (.308) 7,82 (.308) 7,82 (.308) 7,82 (.308) 7,82 (.308) 7,82 (.308)
øEmax. 0,46 (.018) 0,46 (.018) 0,46 (.018) 0,46 (.018) 0,46 (.018) 0,46 (.018)
F± 0,35 (.014) 4,50 (.177) 4,50 (.177) 4,50 (.177) 4,50 (.177) 4,50 (.177) 4,50 (.177)
G± 0,10 (.004) 1,00 (.039) 1,00 (.039) 1,00 (.039) 1,00 (.039) 1,00 (.039) 1,00 (.039)
JTyp. 9,53 (.375) 5,72 (.225) 5,72 (.225) 3,81 (.150) 3,81 (.150) 3,81 (.150)
KTyp. 2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100)
K1 ± 0,25 (.010) 1,27 (.050) 1,27 (.050) 1,27 (.050) 1,27 (.050) 1,27 (.050) 1,27 (.050)
M± 0,20 (.008) 8,82 (.347) 8,82 (.347) 8,82 (.347) 8,82 (.347) 8,82 (.347) 8,82 (.347)
N± 0,10 (.004) 4,10 (.161) 4,10 (.161) 4,10 (.161) 4,10 (.161) 4,10 (.161) 4,10 (.161)
øP (*) ± 0,15 (.006) 2,45 (.096) 2,45 (.096) 2,45 (.096) 2,45 (.096) 2,45 (.096) 2,45 (.096)
Rmin. 4,60 (.181) 4,60 (.181) 4,60 (.181) 4,60 (.181) 4,60 (.181) 4,60 (.181)
øSTyp. 2-56-UNC-2B 2-56-UNC-2B 2-56-UNC-2B 2-56-UNC-2B 2-56-UNC-2B 2-56-UNC-2B
Note (*) : Maximum torque 0.44 Nm.
B
A
Front Shell dimensions : see page 93
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High Reliability Connectors Microminiature MDM Connectors
Mounting Condition
Z : 5,21 (.205) max.
Contacts
Plug (Male Contact)
Receptacle (Female Contact)
Float Mount (option F)
Captive Nut (option E)
Min. Max.
L1 0,25 (.010) 0,91 (.036)
L2 3,30 (.130) 3,66 (.144)
øM3,81 ± 0,08 (.150 ± .003)
øS2,29 ± 0,04 (.090 ± .002)
D1,04 ± 0,08 (.041 ± .003)
P4,70 max. (.185 max.)
Allowable diametral float 0,36 ± 0,10 (.014 ± .004)
Max. allowable axial float 0,51 (.020)
øM5,10 max. (.200 max.)
øS2-56-UNC-2B
J2,60 max. (.102 max.)
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High Reliability Connectors Microminiature MDM Connectors
Arrangements
Front view of Plugs (use mirror view for Receptacle)
9 Contacts 15 Contacts 21 Contacts 25 Contacts
31 Contacts 37 Contacts 51 Contacts
Panel Cutouts
Front Mounting Rear Mounting
Front
Mounting Shell
Size A + 0,10 (.004) / - 0,00
(.000) B + 0,10 (.004) / - 0,00
(.000) C + 0,13 (.005) / - 0,00
(.000) D + 0,13 (.005) / - 0,00
(.000)
910,36 (.408) 6,88 (.271) 14,48 (.570) 2,26 (.089)
15 14,17 (.558) 6,88 (.271) 18,29 (.720) 2,26 (.089)
21 17,98 (.708) 6,88 (.271) 22,10 (.870) 2,26 (.089)
25 20,52 (.808) 6,88 (.271) 24,64 (.970) 2,26 (.089)
31 24,33 (.958) 6,88 (.271) 28,45 (1.120) 2,26 (.089)
37 28,14 (1.108) 6,88 (.271) 32,26 (1.270) 2,26 (.089)
51 26,87 (1.058) 8,00 (.315) 30,99 (1.220) 2,26 (.089)
Rear Mounting Shell
Size A + 0,10 (.004) / - 0,00
(.000) B + 0,10 (.004) / - 0,00
(.000) C + 0,13 (.005) / - 0,00
(.000) D + 0,02 (.001) / - 0,00
(.000)
910,19 (.401) 6,40 (.252) 14,48 (.570) 3,18 (.125)
15 14,00 (.551) 6,40 (.252) 18,29 (.720) 3,18 (.125)
21 17,81 (.701) 6,40 (.252) 22,10 (.870) 3,18 (.125)
25 20,34 (.801) 6,40 (.252) 24,64 (.970) 3,18 (.125)
31 24,16 (.951) 6,40 (.252) 28,45 (1.120) 3,18 (.125)
37 27,97 (1.101) 6,40 (.252) 32,26 (1.270) 3,18 (.125)
51 26,70 (1. 51) 7,49 (.295) 30,99 (1.220) 3,18 (.125)
Note : Front and Rear Mounting accommodate 2-56 UNC-2A screws.
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101
MDM
High Reliability Connectors Microminiature MDM Connectors
PCB Layout / 90° bent PCB Terminations (Size 9 to 37)
9 Contacts
15 Contacts
21 Contacts
25 Contacts
31 Contacts
37 Contacts
Dimensions : See page 95
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102
MDM
High Reliability Connectors Microminiature MDM Connectors
PCB Layout / 90° bent PCB Terminations (Size 51)
51 Contacts
PCB Layout / 90° bent PCB Terminations, Narrow Profile ( Size 9)
9 Contacts / Narrow
Dimensions Layout / 90° bent PCB
Shell Size 9 15 21 25 31 37 51 9 Narrow
B29,21 (1.150) 33,02 (1.300) 36,83 (1.450) 39,37 (1.550) 45,72 (1.800) 53,34 (2.100) 40,64 (1.600) 14,35 (.565)
J9,53 (.375) 7,62 (.300) 5,72 (.225) 4,45 (.175) 3,81 (.150) 3,81 (.150) 1,27 (.050) N.A.
K2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100)
K1 3,81 (.150) 3,81 (.150) 3,81 (.150) 3,81 (.150) 3,81 (.150) 3,81 (.150) 3,81 (.150) 0,20 (.008)
K2 N.A. N.A. N.A. N.A. N.A. N.A. 1,27 (.050) N.A.
Dimensions Layout / Straight PCB
Shell Size 9 15 21 25 31 37
B29,21 (1.150) 29,21 (1.150) 36,83 (1.450) 38,10 (1.500) 45,72 (1.800) 53,34 (2.100)
J9,53 (.375) 5,72 (.225) 5,72 (.225) 3,81 (.150) 3,81 (.150) 3,81 (.150)
K2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100) 2,54 (.100)
K1 1,27 (.050) 1,27 (.050) 1,27 (.050) 1,27 (.050) 1,27 (.050) 1,27 (.050)
K
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103
MDM
High Reliability Connectors Microminiature MDM Connectors
PCB Layout / Straight PCB Terminations (Size 9 to 37)
9 Contacts
15 Contacts
21 Contacts
25 Contacts
31 Contacts
37 Contacts
Dimensions : See page 95
PCB Layout for termination FR116 / L2 identically with insulator layout
2 adjacent contacts: 1,27 mm (.050)
2 contact rows: 1,09 (.043)
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104
MDM
High Reliability Connectors Microminiature MDM Connectors
How to order – ESA quality level
Description (example) : 340102901B 25PFR112F
3401029 01 B 25 P FR112 F
FR164 : SOLDER CUP TYPE CONTACT – QUALITY LEVEL : ACCORDING TO ESA.
Connectors supplied with dust caps (not available separately)
Other configurations available on request, consult factory.
CDRI with description MDM-115366-xxxx
Mounting
No code : No hardware
E: Captive Nut option (Not available with FR136, FR136A, FR139 terminations)
F: Float Mount option (Not available with FR136, FR136A, FR139 terminations)
Termination Type
FR112: Harness type, AWG26, length 508,00 (20.000), cable 3901/013/02B
FR112A: Harness type, AWG26, length 508,00 (20.000), cable 3901/002/56B
FR113: Harness type, AWG26, length 914,00 (36.000), cable 3901/013/02B
FR113A: Harness type, AWG26, length 914,00 (36.000), cable 3901/002/56B
FR123: Harness type, AWG26, length 4000,00 (157.480), cable 3901/013/02B
FR123A: Harness type, AWG26, length 4000,00 (157.480), cable 3901/002/56B
FR114: Harness type, AWG28, length 508,00 (20.000), cable 3901/013/01B
FR114A: Harness type, AWG28, length 508,00 (20.000), cable 3901/002/61B
FR115: Harness type, AWG28, length 914,00 (36.000), cable 3901/013/01B
FR115A: Harness type, AWG28, length 914,00 (36.000), cable 3901/002/61B
FR116: Straight Pigtail Terminations, length 25,40 (1.000)
FR136: 90° bent PCB Terminations, length 4,50 (.177)
FR136A: 90° bent PCB Terminations, Narrow profile, length 3,50 (.138) – Size 9 only
FR139:
FR164 Straight PCB Terminations, length 4,50 (.177) – Size 51 not available
Solder Cup
Contact Type
P : Pin (Male contact)
S : Socket (Female contact)
Shell Size : Number of contacts
9
15
21
25
31
37
51
Testing Level Level B (Standard : B3 = LAT3)
Variant : Shell finish
01 : Electroless Nickel (Finish A174)
02 : Gold over electroless Nickel (Finish FR172)
ESCC Detail Specification number
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105
MDM
High Reliability Connectors Microminiature MDM Connectors
How to order – FR022 quality level
Description (example) : MDM-25PH038F-A174-FR022
MDM 25 P H038 F A174 FR022
Note:
Connectors supplied with dust caps (not available separately)
Other configurations available on request, consult factory.
CDRI with description MDM-115288-xxxx
Quality Level (Connector Specification CS FR022)
(Commercial Space Grade)
Shell finish
A174 : Electroless Nickel
FR172 : Gold over electroless Nickel
Mounting B: No hardware
E: Captive Nut option (Not available with FR136, FR136A, FR139 terminations)
F: Float Mount option (Not available with FR136, FR136A, FR139 terminations)
Termination Type:
H018 : Harness type, AWG26, length 508,00 (20.000), cable MIL-W-16878/4
H011: Harness type, AWG26, length 914,00 (36.000), cable MIL-W-16878/4
H038-AWG28: Harness type, AWG28, length 508,00 (20.000), cable MIL-W-16878/4
H011-AWG28: Harness type, AWG28, length 914,00 (36.000), cable MIL-W-16878/4
L2: : Straight Pigtail Terminations, length 25,40 (1.000)
FR136: 90° bent PCB Terminations, length 4,50 (.177)
FR136A: 90° bent PCB Terminations, Narrow profile, length 3,50 (.138) – Size 9 only
FR139: Straight PCB Terminations, length 4,50 (.177) – Size 51 not available
Contact Type P: Pin (Male contact)
S: Socket (Female contact)
Shell Size: Number of contacts
9
15
21
25
31
37
51
Microminiature connector, MDM series
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106
MDM
Features/Benefits
• Compliant with ESA/ESCC specifications
• Solderable contacts
• Harnesses length flexibility
Specification
Compliant to ESA/ESCC specifications 3401/029, MIL-DTL-83513/1,
MIL-DTL-83513/2 and C&K FR164 specification.
Solder bucket contacts terminations.
Compatible with MDM ESCC 3401/029, MDMA ESCC 3401/077, Savers 3401/041
and Accessories 3401/032.
PIN and SOCKETS arrangements available.
SIZE AVAILABLE : 9, 15 ,21 , 25 , 31, 37 and 51 ways (100 ways under request)
ACCEPTED WIRES SIZE : insulated AWG 26, AWG 28 and AWG 30.
TWIST PIN CONTACTS TECHNOLOGY.
Distance between 2 adjacent contacts : 1.27mm (.050 inch)
Distance between 2 contacts rows : 1.09mm (.043 inch)
Mechanical
Type Mating force
(N.max)
Contact
retention force
(N.max)
Max
Weight
(g)*
Size 9 20 22.25 2.2
Size 15 33 22.25 3
Size 21 47 22.25 3.8
Size 25 55 22.25 4.3
Size 31 69 22.25 5.1
Size 37 82 22.25 5.9
Size 51 113 22.25 7.2
* Weights without cables, floating eyelets captive nuts and contacts
Electrical
Working Voltage (Sea level) : 150 Vrms
Rated Current AWG 26 2.5 A
Rated Current AWG 28 1.5A
Temperature Range
Operating Temperature range -55 to +125 °C
Storage Temperature Range -65 to +125 °C
Quality Level
ESA / ESCC : code FR164 (Flying model)
Standard space : code FR022 (Engineering Model)
Process to use it
Wires stripping
Cables soldering onto contacts
Options
Optional captive nuts or float mounting (consult factory)
Packaging
Individual packaging and traceability associated as per ESA/ESCC
specifications
Each MDM connector is sold with a dust cap in individual plastic bag
High Reliability Connectors
MDM Solder Bucket Contacts per FR164 C&K Specification
(Process and controls according to ESA/ESCC 3401-029)
Typical Applications
• Space equipments
• Avionics / Military
• Industrials applications
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107
MDM
High Reliability Connectors
MDM Solder Bucket Contacts per FR164 C&K Specification
(Process and controls according to ESA/ESCC 3401-029)
How to Order :
CONNECTORS :
Our easy build-a-connector concept allows you to mix and match options to create the MDM you need. To order, select
desired option from each category and place it in the appropriate box.
For any part number different from those listed above, please consult your local C&K components representative.
• Connectors MDM According to ESA/ESCC 3401-029 Specification (Flying Models) :
• Connectors MDM According to C&K FR022 Specification (Engineering Models) :
Materials and finishes :
Shells Aluminium alloy
Finish A174 : 25,4 µm min. (1000 µin min.) electroless Nickel over Copper underlay
Finish FR172 : 2,54 µm min. (100 µin min.) Gold over 25,4 µm min. (1000 µin min.) electroless Nickel
Insulators LCP (Liquid Crystal Polymer) thermoplastic material, UL 94-V0, glass-filled, black color
Female contacts Copper alloy / Finish : 1,27 µm (50 µin) min. Gold over Copper underlay
Male contacts Copper alloy / Finish : 1,27 µm (50 µin) min. Gold over Copper underlay
Interfacial Seals Fluorosilicone elastomere, pink color
Accessories (F or E) Stainless Steel type 303 or 316, passivated
Dust Caps Polyethylene thermoplastic material, transparent pink color
MDM 25 P FR164 - A174
MDM 25 P SB - A174 - FR022
Series
Contact arrangement :
9, 15, 21, 25, 37,51,(100)
P : Pin contacts
S : Socket contacts
Modification code for shell plating :
A174 : Nickel (standard)
FR172 : Gold over Nickel (on request)
Mounting type :
Blank : Standard
F : Float mount
E : Captive nut
Contacts terminations code :
Solder bucket contacts
Process and controls according to
ESA/ESCC 3401-029 specification
Series
Contact arrangement :
9, 15, 21, 25, 37,51,(100)
P : Pin contacts
S : Socket contacts
Process and controls according to
C&K FR022 specification
Modification code for shell plating :
A174 : Nickel (standard)
FR172 : Gold over Nickel (on request)
Mounting type :
Blank : Standard
F : Float mount
E : Captive nut
Contacts terminations code :
Solder bucket contacts
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108
MDM
Physical Dimensions :
• Connectors MDM Plug (Male contacts)
• Connectors MDM Receptacle (Female contacts)
Recommended instruction :
• Wire stripping :
Cut wires to length and strip insulation per above illustration. Check for broken or frayed wires.
High Reliability Connectors
MDM Solder Bucket Contacts per FR164 C&K Specification
(Process and controls according to ESA/ESCC 3401-029)
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109
SAVERS
High Reliability Connectors MDM Connector Savers
Connector Savers
Description
Composed of 1 Plug and 1 Receptacle, wired pin to pin and fixed together by epoxy at their rear ends.
Front Shell Dimensions : see page 7
Installation
Mounting Condition : Same as for the Connectors, at each end.
Fixing by using the relevant Hardware : Screwlock assembly for connector savers (supplied separately).
Cross References
Shell Size Description ESCC Description FR022
9 340104101B 9PS MDM-115288-372-A174-FR022
15 340104102B 15PS MDM-115288-373-A174-FR022
21 340104103B 21PS MDM-115288-374-A174-FR022
25 340104104B 25PS MDM-115288-375-A174-FR022
31 340104105B 31PS MDM-115288-376-A174-FR022
37 340104106B 37PS MDM-115288-377-A174-FR022
51 340104107B 51PS MDM-115288-378-A174-FR022
Note : Supplied only with shell finish A174 (Electroless Nickel)
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ACCESSORIES
Dimensions are shown in mm (inch)
Dimensions subject to change
110
High Reliability Connectors MDM Hardware
Hardware
General
Hardwares are the screwlock assemblies or the brackets used for the mounting of connectors on panels or PCB, or for the fixing of plugs and receptacles.
They are not fixed on the connectors and are supplied separately.
Hardwares are supplied by pairs : A reference, identified by the Description or by the Part Number, is for a pair of hardwares, what is necessary for
the mounting or the fixing of a connector.
ESCC 3401/032 Variants
Variant Application Note
01 Assy / Front panel mounting Obsolete / Replaced by variants 07 + 08
02 Assy / Rear panel mounting Obsolete / Replaced by variants 07 + 09
03 Brackets / Size 9 to 37
04 Brackets / Size 51
05 Assy / Connector savers Obsolete / Replaced by variant 10
06 Screwlock / Connector FR136/FR139 Obsolete / Replaced by variant 11
07 Sub-assy harness side New
08 Sub-assy panel side / Front panel mounting New
09 Sub-assy panel side / Rear panel mounting New
10 Assy / Connector savers New
11 Screwlock / Connector FR136/FR139 New
Additional variants are supplied in accordance with the requirements of the ESCC Generic Specification n° 3401 for mounting options not covered by
the ESCC qualified variants (sub-assemblies or rear panel mounting with different panel thicknesses).
All these variants are available with the Quality Level FR022.
Obsolete and New References
A redesign of the whole range of Hardwares was recently performed in order to increase their robustness and to optimize their homogeneity :
- Screwlocks with a cylindrical base, for a better tightening against the shell or the panel (instead of the previous hexagonal base).
- Screwlocks with optimized threaded hole depth, for increasing the torque security and the introduction of :
¤ a minimum torque value (guarantee of the correct fixing of the connector)
¤ a maximum torque value (prevention of the screwlocks from damage during the fixing operation)
- Same screw used for all the mounting configurations.
The references identified as “Obsolete (1)” in the Cross References table will be no more supplied and will be progressively replaced in the new designs
by the equivalent references identified as “New”. For the availability of the obsolete references for the existing applications, consult factory.
The references identified as “Obsolete (2)” in the Cross References table, concerning the mounting on panels 2,40 (.093) thick, are no more available.
The obsolete references are shown for historical reasons and for a clear identification of the alternative new references.
The mixing of the obsolete references with the new references is not authorized.
To avoid any confusions, the new references are clearly identifiable by :
- A groove on the cylindrical area localized between the head and the threaded end of the screw.
- The cylindrical base of the hexagonal area of the screwlocks.
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111
High Reliability Connectors MDM Hardware Cross References
The Reference descriptions are distributed in 3 categories :
- ESCC : Qualified variants per the ESCC Detail Specification n° 3401/032.
- According to ESCC : Not qualified variants, supplied in accordance with the requirements of the ESCC Generic Specification n° 3401.
- FR022 : Variants supplied per the C&K Connector Specification CS FR022.
Application Details Item
No
*ESCC According to ESCC FR022 Note
Front panel mounting Assembly 1
340103201B
replaced by
340103207B +
340103208B
MDM-322-9500-000-FR022
replaced by MDM-115288-6916-FR022 +
MDM-115288-6917-FR022 Obsolete (1)
Sub-assembly/harness side 2 MDM-322-9501-
000C replaced by
340103207B
MDM-322-9501-000-FR022 replaced by
MDM-115288-6916-FR022 Obsolete (1)
Sub-assembly/panel side 3 MDM-322-9502-
000C replaced by
340103208B
MDM-322-9502-000-FR022 replaced by
MDM-115288-6917-FR022 Obsolete (1)
Sub-assembly/harness side 4 340103207B MDM-115288-6916-FR022 New
Sub-assembly / panel side 5 340103208B MDM-115288-6917-FR022 New
Rear panel mounting Assembly/Panel 1,60 (.063) 6
340103202B
replaced by
340103207B +
340103209B
MDM-115288-607-FR022
replaced by MDM-115288-6916-FR022 +
MDM-115288-6920-FR022 Obsolete (1)
Sub-assembly / harness side 7 MDM-322-8751-
000C replaced by
340103207B
MDM-322-8751-000-FR022
replaced by MDM-115288-6916-FR022 Obsolete (1)
Sub-assembly/panel side
0,80 (.031) 8MDM-320-9505-004C
replaced by MDM-
115366-9223C
MDM-320-9505-004-FR022 replaced by
MDM-115288-6918-FR022 Obsolete (1)
Sub-assembly/panel side
1,20 (.047) 9MDM-320-9505-005C
replaced by MDM-
115366-9224C
MDM-320-9505-005-FR022
replaced by MDM-115288-6919-FR022 Obsolete (1)
Sub-assembly / panel side
1,60 (.063) 10 MDM-320-9505-
006C replaced by
340103209B
MDM-320-9505-006-FR022
replaced by MDM-115288-6920-FR022 Obsolete (1)
Sub-assembly / panel side
2,40 (.094) 11 MDM-320-9505-007C
No replacement. MDM-320-9505-007-FR022
No replacement Obsolete (2)
Sub-assembly / harness side 12 340103207B MDM-115288-6916-FR022 New
Sub-assembly / panel side
0,80 (.031) 13 MDM-115366-9223C MDM-115288-6918-FR022 New
Sub-assembly / panel side
1,20 (.047) 14 MDM-115366-9224C MDM-115288-6919-FR022 New
Sub-assembly / panel side
1,60 (.063) 15 340103209B MDM-115288-6920-FR022 New
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Dimensions subject to change
112
High Reliability Connectors MDM Hardware Cross References
Brackets Shell size 9 to 37 16 340103203B MDM-015-9516-002-FR022 Unchanged
Shell size 51 17 340103204B MDM-015-9516-003-FR022 Unchanged
Connector
Savers Assembly 18 340103205B
Replaced by
340103210B
MDM-115288-380-FR022
Replaced by
MDM-115288-6921-FR022 Obsolete (1)
Assembly 19 340103210B MDM-115288-6921-FR022 New
Connector
FR136/139 Front panel mounting 20 340103206B
Replaced by
340103211B
MDM-115288-405-FR022
Replaced by
MDM-115288-6922-FR022 Obsolete (1)
Rear panel mounting 0,80(.031) 21 MDM-115366-9203C, replaced by
MDM-115366-9225C
MDM-115288-602-FR022
Replaced by
MDM-115288-6923-FR022 Obsolete (1)
Rear panel mounting 1,20(.047) 22 MDM-115366-9204C, replaced by
MDM-115366-9226C
MDM-115288-603-FR022
Replaced by
MDM-115288-6924-FR022 Obsolete (1)
Rear panel mounting 1,60(.063) 23 MDM-115366-9205C, replaced by
MDM-115366-9227C
MDM-115288-604-FR022
Replaced by
MDM-115288-6925-FR022 Obsolete (1)
Rear panel mounting 2,40(.094) 24 MDM-115366-9206C
No replacement MDM-115288-605-FR022
No replacement Obsolete (2)
Front panel mounting 25 340103211B MDM-115288-6922-FR022 New
Rear panel mounting 0,80(.031) 26 MDM-115366-9225C MDM-115288-6923-FR022 New
Rear panel mounting 1,20(.047) 27 MDM-115366-9226C MDM-115288-6924-FR022 New
Rear panel mounting 1,60(.063) 28 MDM-115366-9227C MDM-115288-6925-FR022 New
The Reference descriptions are distributed in 3 categories :
Obsolete (1) : No more supplied, replaced by the equivalent “New” references.
Per ESA is specified to use the NEW items as a replacement for the OBSOLETE items.
Obsolete (2) : No more available.
Item No * : Used for the compatibility table page 121.
The compatibility is based on the dimensions of the parts.
Compatibility of 2 items available within 2 different categories (example between ESCC and FR022 variants).
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High Reliability Connectors MDM Hardware
Screwlock assembly, front panel mounting – Old version
Description ESCC : 340103201B
Description FR022 : MDM-322-9500-000-FR022
Total weight for a pair : 1.80 g max.
Composed of 2 sub-assemblies :
1 - Screwlock sub-assembly, harness side, front panel mounting –old version
Description according to ESCC : MDM-322-9501-000C
Description FR022 : MDM-322-9501-000-FR022
Composed of : 2 Screws + 2 Clips
Torque value for screw : 0.28 Nm max.
A4,83 ± 0,25 (.190 ± .010)
B4,45 max. (.175 max.)
C1,97 ± 0,19 (.078 ± .007)
D1 2-56 UNC-2A
øJ3,68 max. (.145 max.)
K7,42 max. (.292 max.)
L1 2,10 + 0,19 / - 0,10 (.083 + .007 / - .004)
øM2,35 ± 0,06 (.093 ± .002)
S0,68 ± 0,10 (.027 ± .004)
V0,38 ± 0,03 (.015 ± .001)
2 - Screwlock sub-assembly, panel side, front panel mounting –old version
Description according to ESCC : MDM-322-9502-000C
Description FR022 : MDM-322-9502-000-FR022
Composed of : 2 Screwlocks + 2 Washers + 2 Nuts
Torque value for screwlock, male side : 0.44 Nm max.
Torque value for screwlock, female side : 0.28 Nm max.
D1 2-56 UNC-2A
D2 2-56 UNC-2B
F1 3,17 Typ (.125 Typ)
F2 3,90 Typ (.154 Typ)
H4,62 max. (.182 max.)
L11,56 ± 0,25 (.455 ± .010)
L2 5,20 min. (.205 min.)
L3 3,50 min. (.138 min.)
N1,60 ± 0,15 (.063 ± .006)
W0,30 ± 0,03 (.012 ± .001)
W1 0,50 Typ overall (.020 Typ overall)
øZ4,55 ± 0,03 (.179 ± .001)
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Dimensions are shown in mm (inch)
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114
High Reliability Connectors MDM Hardware
Screwlock assembly, front panel mounting – New version
Composed of 2 sub-assemblies :
1 - Screw sub-assembly, harness side
Description ESCC : 340103207B
Description FR022 : MDM-115288-6916-FR022
Composed of : 2 Screws + 2 Clips
Total weight for a pair : 0.88 g max.
Torque value for screw : 0.28 Nm min. / 0.32 Nm max.
A4,83 ± 0,25 (.190 ± .010)
B4,45 max. (.175 max.)
C2,00 ± 0,15 (.079 ± .006)
D1 2-56 UNC-2A
øJ3,68 max. (.145 max.)
K6,00 ± 0,15 (.236 ± .006)
L1 2,10 + 0,19 / - 0,10 (.083 + .007 / - .004)
øM2,35 ± 0,06 (.093 ± .002)
S0,68 ± 0,10 (.027 ± .004)
V0,38 ± 0,03 (.015 ± .001)
2 - Screwlock sub-assembly, panel side, front panel mounting – New version
Description ESCC : 340103208B
Description FR022 : MDM-115288-6917-FR022
Composed of : 2 Screwlocks + 2 Washers + 2 Nuts
Total weight for a pair : 1.32 g max.
Torque value for screwlock, male side : 0.44 Nm min. / 0.48 Nm max.
Torque value for screwlock, female side : 0.28 Nm min. / 0.32 Nm max.
D1 2-56 UNC-2A
D2 2-56 UNC-2B
E2,00 Typ (.079 Typ)
F1 3,17 Typ (.125 Typ)
F2 3,80 ± 0,15 (.150 ± .006)
øG4,00 ± 0,05 (.157 ± .002)
H4,58 + 0,04 / - 0,03 (.180 + .002 / - .001)
L11,60 + 0,20 / - 0,30 (.457 + .008 / - .012)
L2 5,20 min. (.205 min.)
L3 3,20 min. (.126 min.)
N1,60 ± 0,15 (.063 ± .006)
P4,20 max. (.165 max.)
R0,70 Typ (.028 Typ)
W0,30 ± 0,03 (.012 ± .001)
W1 0,50 Typ overall (.020 Typ overall)
øZ4,55 ± 0,03 (.179 ± .001)
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High Reliability Connectors MDM Hardware
Screwlock assembly, rear panel mounting – Old version
Description ESCC, for panel thickness 1,60 (.063) : 340103202B
Description FR022, for panel thickness 1,60 (.063) : MDM-115288-607-FR022
Total weight for a pair : 1.80 g
Composed of 2 sub-assemblies :
1 - Screwlock sub-assembly, harness side, rear panel mounting
Description according to ESCC : MDM-322-8751-000C
Description FR022 : MDM-322-8751-000-FR022
Composed of : 2 Screws + 2 Clips
Torque value for screw : 0.28 Nm max.
A4,83 ± 0,25 (.190 ± .010)
B4,45 max. (.175 max.)
C1,97 ± 0,19 (.078 ± .007)
D1 2-56 UNC-2A
øJ3,68 max. (.145 max.)
K6,37 max. (.251 max.)
L1 2,10 + 0,19 / - 0,10 (.083 + .007 / - .004)
øM2,35 ± 0,06 (.093 ± .002)
S0,68 ± 0,10 (.027 ± .004)
V0,38 ± 0,03 (.015 ± .001)
2 - Screwlock sub-assembly, panel side, rear panel mounting –old version
Panel thickness : 0,80 (.031) 1,20 (.047) 1,60 (.063) 2,40 (.094)
Description according to ESCC : MDM-320-9505-004C MDM-320-9505-005C MDM-320-9505-006C MDM-320-9505-007C
Description FR022 : MDM-322-9505-004-FR022 MDM-322-9505-005-FR022 MDM-322-9505-006-FR022 MDM-322-9505-007-FR022
Dimension T : 0,67 ± 0,05 (.026 ± .002) 1,07 ± 0,05 (.042 ± .002) 1,47 ± 0,05 (.058 ± .002) 2,27 ± 0,05 (.089 ± .002)
Composed of : 2 Screwlocks + 2 Washers + 2 Nuts
Torque value for screwlock, male side : 0.44 Nm max.
Torque value for screwlock, female side : 0.28 Nm max.
D1 2-56 UNC-2A
D2 2-56 UNC-2B
F1 3,17 Typ (.125 Typ)
F2 3,90 Typ (.154 Typ)
H4,53 ± 0,13 (.178 ± .005)
L12,42 ± 0,25 (.489 ± .010)
L2 6,00 min. (.236 min.)
L3 3,50 min. (.138 min.)
N1,60 ± 0,15 (.063 ± .006)
øQ3,10 ± 0,03 (.122 ± .001)
W0,30 ± 0,03 (.012 ± .001)
W1 0,50 Typ overall (.020 Typ overall)
øZ4,55 ± 0,03 (.179 ± .001)
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Dimensions are shown in mm (inch)
Dimensions subject to change
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High Reliability Connectors MDM Hardware
Screwlock assembly, rear panel mounting – New version
Composed of 2 sub-assemblies :
1 - Screw sub-assembly, harness side
Description ESCC : 340103207B
Description FR022 : MDM-115288-6916-FR022
Composed of : 2 Screws + 2 Clips
Total weight for a pair : 0.88 g max.
Torque value for screw : 0.28 Nm min. / 0.32 Nm max.
A4,83 ± 0,25 (.190 ± .010)
B4,45 max. (.175 max.)
C2,00 ± 0,15 (.079 ± .006)
D1 2-56 UNC-2A
øJ3,68 max. (.145 max.)
K6,00 ± 0,15 (.236 ± .006)
L1 2,10 + 0,19 / - 0,10 (.083 + .007 / - .004)
øM2,35 ± 0,06 (.093 ± .002)
S0,68 ± 0,10 (.027 ± .004)
V0,38 ± 0,03 (.015 ± .001)
2 - Screwlock sub-assembly, panel side, rear panel mounting– New version
Panel thickness : 0,80 (.031) 1,20 (.047) 1,60 (.063)
Description ESCC or according to ESCC : MDM-115366-9223C MDM-115366-9224C 340103209B
Description FR022 : MDM-115288-6918-FR022 MDM-115288-6919-FR022 MDM-115288-6920-FR022
Dimension T : 0,73 ± 0,05 (.029 ± .002) 1,13 ± 0,05 (.044 ± .002) 1,53 ± 0,05 (.060 ± .002)
Composed of : 2 Screwlocks + 2 Washers + 2 Nuts
Total weight for a pair : 1.20 g max.
Torque value for screwlock, male side : 0.44 Nm min. / 0.48 Nm max.
Torque value for screwlock, female side : 0.28 Nm min. / 0.32 Nm max.
D1 2-56 UNC-2A
D2 2-56 UNC-2B
E0,50 Typ (.020 Typ)
F1 3,17 Typ (.125 Typ)
F2 3,80 ± 0,15 (.150 ± .006)
øG4,00 ± 0,05 (.157 ± .002)
H4,58 + 0,04 / - 0,03 (.180 + .002 / -
.001)
L11,60 + 0,20 / - 0,30 (.457 + .008 /
- .012)
L2 5,20 min. (.205 min.)
L3 3,20 min. (.126 min.)
N1,60 ± 0,15 (.063 ± .006)
P4,20 max. (.165 max.)
øQ3,10 ± 0,03 (.122 ± .001)
R0,70 Typ (.028 Typ)
W0,30 ± 0,03 (.012 ± .001)
W1 0,50 Typ overall (.020 Typ overall)
øZ4,55 ± 0,03 (.179 ± .001)
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High Reliability Connectors MDM Hardware
90° mounting brackets
1 – Brackets for shell size 9 to 37
Description ESCC : 340103203B
Description FR022 : MDM-015-9516-002-FR022
Composed of : 2 Brackets
Total weight for a pair : 0.84 g max.
A3,73 ± 0,13 (.147 ± .005)
B7,82 max. (.308 max.)
C4,52 ± 0,13 (.178 ± .005)
øD2,44 ± 0,13 (.096 ± .005)
D2 2-56 UNC-2B
E1,47 max. (.058 max.)
F4,32 max. (.170 max.)
L6,60 max. (.260 max.)
2 – Brackets for shell size 51
Description ESCC : 340103204B
Description FR022 : MDM-015-9516-003-FR022
Composed of : 2 Brackets
Total weight for a pair : 0.90 g max.
A4,29 ± 0,13 (.169 ± .005)
B8,89 max. (.350 max.)
C4,52 ± 0,13 (.178 ± .005)
øD2,44 ± 0,13 (.096 ± .005)
D2 2-56 UNC-2B
E1,47 max. (.058 max.)
F4,32 max. (.170 max.)
L6,60 max. (.260 max.)
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High Reliability Connectors MDM Hardware
Screwlock assembly for connector savers – old version
1 – Screwlock assembly – Old version
Description ESCC : 340103205B
Description FR022 : MDM-115288-380-FR022
Composed of : 2 Screwlocks + 2 Clips
Total weight for a pair : 2.00 g max.
Torque value, male side : 0.36 Nm max.
Torque value, female side : 0.28 Nm max.
A4,83 ± 0,25 (.190 ± .010)
B4,45 max. (.175 max.)
D1 2-56 UNC-2A
D2 2-56 UNC-2B
F1 3,17 Typ (.125 Typ)
H4,70 max. (.185 max.)
L20,60 ± 0,25 (.811 ± .010)
L2 2,10 + 0,19 / - 0,10 (.083 + .007 / - .004)
L3 3,50 min. (.138 min.)
øM2,35 ± 0,06 (.093 ± .002)
V0,38 ± 0,03 (.015 ± .001)
2 – Screwlock assembly – New version
Description ESCC : 340103210B
Description FR022 : MDM-115288-6921-FR022
Composed of : 2 Screwlocks + 2 Clips
Total weight for a pair : 1.86 g max.
Torque value, male side : 0.36 Nm min. / 0.40 Nm max.
Torque value, female side : 0.28 Nm min. / 0.32 Nm max.
A4,83 ± 0,25 (.190 ± .010)
B4,45 max. (.175 max.)
D1 2-56 UNC-2A
D2 2-56 UNC-2B
E2,00 Typ (.079 Typ)
F1 3,17 Typ (.125 Typ)
øG4,00 ± 0,05 (.157 ± .002)
H4,58 + 0,04 / - 0,03 (.180 + .002 / - .001)
L15,65 ± 0,10 (.616 ± .004)
L2 2,10 + 0,19 / - 0,10 (.083 + .007 / - .004)
L3 3,20 min. (.126 min.)
øM2,35 ± 0,06 (.093 ± .002)
P4,20 max. (.165 max.)
R0,70 Typ (.028 Typ)
V0,38 ± 0,03 (.015 ± .001)
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Dimensions are shown in mm (inch)
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High Reliability Connectors MDM Hardware
Screwlock for connectors FR136 / FR139 – old version
1 – Screwlock – Old version
Description ESCC : 340103206B
Description FR022 : MDM-115288-405-FR022
Composed of : 2 Screwlocks
Total weight for a pair : 0.60 g max.
Torque value, male side : 0.44 Nm max.
Torque value, female side : 0.28 Nm max.
D1 2-56 UNC-2A
D2 2-56 UNC-2B
F1 3,17 Typ (.125 Typ)
H4,62 max. (.182 max.)
L9,00 ± 0,25 (.354 ± .010)
L2 2,00 min. (.079 min.)
L3 3,50 min. (.138 min.)
2 – Screwlock – New version
Description ESCC : 340103211B
Description FR022 : MDM-115288-6922-FR022
Composed of : 2 Screwlocks
Total weight for a pair : 0.86 g max.
Torque value, male side : 0.44 Nm min. / 0.48 Nm max.
Torque value, female side : 0.28 Nm min. / 0.32 Nm max.
D1 2-56 UNC-2A
D2 2-56 UNC-2B
E2,00 Typ (.079 Typ)
F1 3,17 Typ (.125 Typ)
øG4,00 ± 0,05 (.157 ± .002)
H4,58 + 0,04 / - 0,03 (.180 + .002 / - .001)
L9,00 ± 0,25 (.354 ± .010)
L2 2,00 min. (.079 min.)
L3 3,20 min. (.126 min.)
P4,20 max. (.165 max.)
R0,70 Typ (.028 Typ)
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120
High Reliability Connectors MDM Hardware
Screwlock for connectors FR136 / FR139, rear panel mounting –old version
1 – Screwlock – Old version
Panel thickness : 0,80 (.031) 1,20 (.047) 1,60 (.063) 2,40 (.094)
Description according to ESCC : MDM-115366-9203C MDM-115366-9204C MDM-115366-9205C MDM-115366-9206C
Description FR022 : MDM-115288-602-FR022 MDM-115288-603-FR022 MDM-115288-604-FR022 MDM-115288-605-FR022
Dimension T : 0,67 ± 0,05 (.026 ± .002) 1,07 ± 0,05 (.042 ± .002) 1,47 ± 0,05 (.058 ± .002) 2,27 ± 0,05 (.089 ± .002)
Composed of : 2 Screwlocks
Total weight for a pair : 0.60 g max.
Torque value, male side : 0.44 Nm max.
Torque value, female side : 0.28 Nm max.
D1 2-56 UNC-2A
D2 2-56 UNC-2B
F1 3,17 Typ (.125 Typ)
H4,62 max. (.182 max.)
L9,00 ± 0,25 (.354 ± .010)
L2 2,00 min. (.079 min.)
L3 3,50 min. (.138 min.)
øQ3,10 ± 0,03 (.122 ± .001)
1 – Screwlock – New version
Panel thickness : 0,80 (.031) 1,20 (.047) 1,60 (.063)
Description according to ESCC : MDM-115366-9225C MDM-115366-9226C MDM-115366-9227C
Description FR022 : MDM-115288-6923-FR022 MDM-115288-6924-FR022 MDM-115288-6925-FR022
Dimension T : 0,73 ± 0,05 (.029 ± .002) 1,13 ± 0,05 (.044 ± .002) 1,53 ± 0,05 (.060 ± .002)
Composed of : 2 Screwlocks
Total weight for a pair : 0.86 g max.
Torque value for screwlock, male side : 0.44 Nm min. / 0.48 Nm max.
Torque value for screwlock, female side : 0.28 Nm min. / 0.32 Nm max.
D1 2-56 UNC-2A
D2 2-56 UNC-2B
E0,50 Typ (.020 Typ)
F1 3,17 Typ (.125 Typ)
øG4,00 ± 0,05 (.157 ± .002)
H4,58 + 0,04 / - 0,03 (.180 + .002 / - .001)
L9,00 ± 0,25 (.354 ± .010)
L2 2,00 min. (.079 min.)
L3 3,20 min. (.126 min.)
P4,20 max. (.165 max.)
øQ3,10 ± 0,03 (.122 ± .001)
R0,70 Typ (.028 Typ)
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High Reliability Connectors MDM Hardware
Hardwares compatibility table
No 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
1 O O O O O O
2 O O O O
3 O O O O O
4 X X X X X X X X X
5 X X X X X
6 O O O O O O
7 O O O O O O O O O O
8 O O O
9 O O O
10 O O O
11 O O O
12 X X X X X X X X X
13 X X X
14 X X X
15 X X X
16 O O X
17 O O X
18 O O O O O O O O O O O O O O
19 X X X X X X X X X X
20 O O O
21 O O
22 O O
23 O O
24 O O
25 X X X
26 X X X
27 X X X
28 X X X
Compatibility code : O : Compatibility between the old references
X : Compatibility between the new references
Note : There is no compatibility between the old and the new references
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High Reliability Connectors CDRI
CDRI
Description
The “Customer Design Request Information” document (CDRI) is an C&K Specification, describing a product supplied per specific customer specification.
For CDRI : Consult factory .
Content
The CDRI document includes all the necessary data for :
- Customer use : characteristics of the product to be inserted into the Customer equipment
- C&K use : informations for the manufacturing of the product
The main informations are the following :
- Detailed description of the product
- Eventual applicable specifications or other documents
- Eventual drawings (Customer or C&K)
- Detailed amendments to the reference product (dimensions, piece parts, materials, cables)
- Detailed amendments to the manufacturing process (assembling, controls, marking, packaging, documentation)
- Quality level :
¤ ESA : Supply in accordance with the requirements of the ESCC Generic Specification n° 3401
¤ FR022 : Supply in accordance with the requirements of the C&K Specification CS FR022
¤ Other if applicable
- Allocated Descriptions and Part Numbers
- Allocated CDRI number
Process
- Identification of the Customer request (specification, drawing, technical note)
- Analysis and feasibility study
- Proposal of the best solution, with eventual modifications
- Finalization of the Customer request
- Eventual prototype
- Commercial offer
- Finalization of the CDRI document
Technical issues specific to the MDM Connectors
The following parameters can be used for the amendments to the MDM Connectors described in this Catalogue.
Other parameters shall be clearly described in the customer drawings (or specifications).
Terminations.
- Solder Cup terminations
- Other PCB termination lengths (Customer drawing)
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High Reliability Connectors CDRI
Cables.
- Other cable lengths (Customer drawing)
- Other ESCC 3901002 or 3901013 cable references (Customer drawing)
- Other ESCC cable references (Customer drawing)
- Other MIL-W-16878/4 cable references (Customer drawing)
- Other cable specifications (Customer drawing)
- Cable size AWG 30 (Customer drawing)
- Shielded cables (Customer drawing)
- Multicore cables, 4 cores max. per cable (Customer drawing)
- Coaxial cables type 50 CIS or RG178 (Customer drawing)
Harnessing.
- Shielded cables, with conductor wired to a contact and shield wired to an adjacent contact or to an external cable (Customer drawing)
- Coaxial cables, with conductor wired to a contact and shield wired to an adjacent contact or to an external cable (Customer drawing)
- Protection of the specific wiring areas by thermo-shrinkable kynar tubes (Customer drawing)
- Protection of the specific wiring areas by rear potting (details below) (Customer drawing)
- Wiring of 2 or more connectors to the same harness network (Customer drawing)
Rear potting.
- Standard : 10,00 mm (.394) extension of the rear shell section length by a volume of epoxy, molded around the cable wiring area
- Other rear potting dimensions (Customer drawing)
Hardwares.
- Other hardwares) :
¤ Reference K (Jackscrew, standard)
¤ Reference L (Jackscrew, low profile)
¤ Reference P (Jackpost, front panel mounting)
¤ Reference M2 (Allen head Jackscrew assy low profile, MIL-DTL-83513/5-02)
¤ Reference M3 (Allen head Jackscrew assy high profile, MIL-DTL-83513/5-03)
¤ Reference M5 (Slotted head Jackscrew assy low profile, MIL-DTL-83513/5-05)
¤ Reference M6 (Slotted head Jackscrew assy high profile, MIL-DTL-83513/5-06)
¤ Reference M7 (Jackpost assy, MIL-DTL-83513/5-07)
- Specific hardwares (Customer drawing)
Backshells.
- Specific backshells (Customer drawing)
Others.
- Shell size 100
- Combination arrangements 7C2, 7P2, 24C4, 24P4
- Other solutions on special request (Customer drawing)
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