MDMA - Connectors, Electrical, Rectangular, Microminiature with
Removable crimp contacts compliant with ESA/ESCC specifications
3401/077 for Connectors and 3401/078 for Contacts
Features/Benefits
•
Compliant with ESA specifications.
•
Removable contacts
•
Harnesses length flexibility
Typical Applications
•
Space equipment
•
Avionics / Military
•
Industrials applications
Specification
Compliant to ESCC specifications 3401/077 connectors and 3401/078
Removable crimp contacts.
Compatible with MDM ESCC 3401/029, savers 3401/041 and
Accessories 3401/032.
PIN and SOCKETS arrangements available.
SIZE AVAILABLE : 9, 15 ,21 , 25 , 31 and 37 ways
CRIMP - removable contacts.
ACCEPTED WIRES SIZE : insulated AWG 26 and AWG 28.
TWIST PIN CONTACTS TECHNOLOGY.
Distance between 2 adjacent contacts : 1.27mm (.050 inch)
Distance between 2 contacts rows : 1.09mm (.043 inch)
Quality Level
■■■
ESA / ESCC : code 3401 (Flying model)
(Qualification reviewed every 2 years)
Process contact and cable insertion
■■■
Wires stripping
■■■
Cables crimping onto contacts with standard
M22520/2-01 crimp tool and dedicated locators (to be
ordered separately)
■■■
Wires cable installed by the end user
Process contact and cable extraction
■■■
A dedicated tool is shipped with each connector to
remove the contacts from the connectors
Mechanical
Max
Contact
Weight
retention force
(N.max)
(g)*
Size 9
20
22.25
2
Size 15
33
22.25
2.6
Size 21
47
22.25
3.2
Size 25
55
22.25
3.6
Size 31
69
22.25
4.2
Size 37
82
22.25
4.8
* Weights without cables, floating eyelets captive nuts and contacts
Type
Mating force
(N.max)
Options
■■■
Optional interfacial seal can be applied for female
connectors (to be ordered separately)
■■■
Optional captive nuts or float mounting (consult factory)
Packaging
■■■
Individual packaging and traceability associated as per
ESA/ESCC specifications
■■■
Each MDMA connector is sold with a contact extraction
tool and a dust cap in individual plastic bag
Electrical
Working Voltage (Sea level) :
Rated Current AWG 26
Rated Current AWG 28
150 Vrms
2.5 A
1.5A
Temperature Range
Operating Temperature range
Storage Temperature Range
-55 to +125 °
C
-65 to +125 °
C
Other features are available on ESA/ESCC specifications.
Dimensions shown in : mm (inch)
Specifications and dimensions subject to change
www.ck-components.com
1
MDMA - Connectors, Electrical, Rectangular, Microminiature with
Removable crimp contacts compliant with ESA/ESCC specifications
3401/077 for Connectors and 3401/078 for Contacts
How to Order :
CONNECTORS :
Our easy build-a-connector concept allows you to mix and match options to create the MDMA 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.
3401 077
ESCC 3401 Description
Type variants :
01B : Nickel finish on Shell (A174)
02B : Gold over Nickel on shell ( FR172)
Contact arrangement :
9, 15, 21, 25, 37
01B
9
P
Y
FO
Modification code :
F0 : Connector without contacts
(Contacts must be ordered
separately)
Mounting type :
Blank : Standard
Y : Float mount
E : Captive nut
P : Pin contacts
S : Socket contacts
CONTACTS :
3401 078
ESCC 3401 Description
01B
01B : Pin contact
02B : Socket contact
CONTACT DESCRIPTION and C&K PART NUMBER :
Description :
Pin Contact
Socket Contact
340107801B
340107802B
Part Number :
C331-8752-000H
C252-8838-000H
INTERFACIALS SEAL, LOCATORS AND ADDITIONAL EXTRACTION TOOL :
ESCC 3401 Description
3401 032
Description :
340103212B
340103213B
340103214B
340103215B
340103216B
340103217B
12B
Part Number :
C115373-0050C
C115373-0051C
C115373-0052C
C115373-0053C
C115373-0054C
C115373-0055C
Variants
Description Locator Pin
CK-MDMA-P
Description Locator Skt
CK-MDMA-S
Description extraction tool
MDMA-115373
Part Number :
C115373-0001
Part Number :
C115373-0002
Part Number :
C115373-0000
9S
15S
21S
25 S
31S
37S
Dimensions shown in : mm (inch)
Specifications and dimensions subject to change
www.ck-components.com
2
MDMA - Connectors, Electrical, Rectangular, Microminiature with
Removable crimp contacts compliant with ESA/ESCC specifications
3401/077 for Connectors and 3401/078 for Contacts
Connectors Description and C&K Part-Numbers :
MDMA Plug or Receptacle with Nickel Finish on Shell
(A174)
MDMA without contact (FO)
Description
340107701B
Size
9S
standard
Floating (Y)
captive nut (E)
C115373-2001C C115373-2013C C115373-2025C
C115373-2002C C115373-2014C C115373-2026C
C115373-2003C C115373-2015C C115373-2027C
C115373-2004C C115373-2016C C115373-2028C
C115373-2005C C115373-2017C C115373-2029C
C115373-2006C C115373-2018C C115373-2030C
C115373-2007C C115373-2019C C115373-2031C
C115373-2008C C115373-2020C C115373-2032C
C115373-2009C C115373-2021C C115373-2033C
C115373-2010C C115373-2022C C115373-2034C
C115373-2011C C115373-2023C C115373-2035C
340107701B 15P
340107701B 15S
340107701B 21P
340107701B 21S
340107701B 25P
340107701B 25S
340107701B 31P
340107701B 31S
340107701B 37P
340107701B 37S
MDMA Plug or Receptacle with Gold Finish on Shell
(FR172)
MDMA without contact (FO)
Description Size
340107702B
340107702B
9P
9S
standard
Floating (Y)
captive nut (E)
C115373-2050C C115373-2062C C115373-2074C
C115373-2051C C115373-2063C C115373-2075C
C115373-2052C C115373-2064C C115373-2076C
C115373-2053C C115373-2065C C115373-2077C
C115373-2054C C115373-2066C C115373-2078C
C115373-2055C C115373-2067C C115373-2079C
C115373-2056C C115373-2068C C115373-2080C
C115373-2057C C115373-2069C C115373-2081C
C115373-2058C C115373-2070C C115373-2082C
C115373-2059C C115373-2071C C115373-2083C
C115373-2060C C115373-2072C C115373-2084C
C115373-2061C C115373-2073C C115373-2085C
340107702B 15P
340107702B 15S
340107702B 21P
340107702B 21S
340107702B 25P
340107702B 25S
340107702B 31P
340107702B 31S
340107702B 37P
340107702B 37S
Materials and finishes :
Shells
Insulators
Female contacts
Male contacts
Interfacial Seals
Accessories (Y or E)
Dust Caps
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
LCP (Liquid Crystal Polymer) thermoplastic material, UL 94-V0, glass-filled, black color
Copper alloy / Finish : 1,27 µm (50 µin) min. Gold over Copper underlay
Copper alloy / Finish : 1,27 µm (50 µin) min. Gold over Copper underlay
Fluorosilicone elastomere, pink color
Stainless Steel type 303, passivated
Polyethylene thermoplastic material, transparent pink color
Dimensions shown in : mm (inch)
Specifications and dimensions subject to change
www.ck-components.com
3
MDMA - Connectors, Electrical, Rectangular, Microminiature with
Removable crimp contacts compliant with ESA/ESCC specifications
3401/077 for Connectors and 3401/078 for Contacts
Physical Dimensions :
•
Connectors MDMA Plug (Male contacts)
•
Connectors MDMA Receptacle (Female contacts)
•
Contacts Male and Female
Dimensions shown in : mm (inch)
Specifications and dimensions subject to change
www.ck-components.com
4
MDMA - Connectors, Electrical, Rectangular, Microminiature with
Removable crimp contacts compliant with ESA/ESCC specifications
3401/077 for Connectors and 3401/078 for Contacts
Process Contact and Cable Insertion
:
:
Cut wires to length and strip insulation per above illustration. Check for broken or frayed wires.
Recommended wire
3901 013 01B : PTFE Insulated wire AWG 28
3901 013 02B : PTFE Insulated wire AWG 26
3901 002 61B : POLYIMIDE Insulated wire AWG 28
3901 002 56B : POLYIMIDE Insulated wire AWG 26
M = Insulation clearance
Wire trim length
L
1,9 *
2,4
M
0
0,55±0,25
•
Wire stripping
* C&K recommended value
•
Cable crimping
- 1 - Insert wire onto contact body and insert the unit into the M22520/2-01 crimping tool (Selector position 2) with the
dedicated locator (to be ordered separately)
DEDICATED LOCATORS
For Male Contact : CK-MDMA-P
(P/N: C115373-0001)
For Female Contact : CK-MDMA-S
(P/N: C115373-0002)
- 2 - Crimp contact to wire and inspect crimp.
•
Contact insertion :
Insert contact with wire into cavity of the rear insulator until a positive stop is felt. Inspect insertion. To be sure contact is
locked securely, pull back lightly on wire. Repeat for balance of contacts working row by row across the insulator.
•
Interfacial seal insertion (optional for receptacle connector only):
Good position for interfacial seal
Dimensions shown in : mm (inch)
Specifications and dimensions subject to change
www.ck-components.com
5
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