MDMB SERIES
Microminiature connectors
with removable crimp contacts
CS FR048
Features and Benefits
• High performance Micropin™ contact system
(“twist pin” spring male contact and tubular socket contact)
• Removable crimp type contacts
• Harnesses length flexibility
• Non-Outgassing
• Low Size Connectors
• Low Weight
Typical Applications
• Space equipment (engineering model)
• Satellites harnesses and payloads
• Avionics / Military
• Automotive / Medical / Industrial applications
Specification
Quality Level
• High performance Micro-miniature connectors meet stringent tests
for outgassing and residual magnetism and are suitable for use in Space
Engineering Model, Avionics, Military, Medical and Industrial
applications.
• Suitable for Board to Board, Board to Cable or Cable to Cable
applications.
• Removable contacts (Twist Pin contact technology).
• Sizes available: 9, 15, 21, 25, 31, 37 and 51 ways.
• Connector 9, 15, 21, 25, 31 and 37 ways, accepted wires size:
• 1 insulated wire AWG24, AWG26 and AWG28 (external
diameter at 0.97mm max).
• “Commercial Space Grade”:
C&K Connector Specification CS FR048, for low cost products
manufactured:
• In the same ESA qualified site.
• Through the same piece parts.
• With lighter controls, documentation and traceability.
• The connectors are totally compatible, interchangeable and
intermateable with ESA quality level connectors ESCC 3401/029
(MDM connectors), 3401/041 (connector Savers), 3401/032
(accessories), 3401/077 (MDMA connectors), 3401/078 (contacts)
and 3401/087 (backshells).
• 1 uninsulated solid wire AWG25.
• 2 insulated wires AWG28 (external diameter at 0.82mm max).
• Connector 51 ways, accepted wires size:
Process Contact and Cable Insertion
• Wire stripping.
• Cables crimping onto contacts with standard MDMA Crimping tool
M22520/2-01 and dedicated locators (to be ordered separately).
• 1 insulated wire AWG24, AWG26 and AWG28 (external
diameter at 0.97mm max).
• 1 uninsulated solid wire AWG25.
• Wires cable installed by the end user.
• Distance between 2 adjacent contacts: 1.27mm (.050 inch).
Test Retention
• A dedicated tool is available to make the retention test of each
contacts in the connectors.
• Distance between 2 contacts rows: 1.09mm (.043 inch).
Electrical & Mechanical Characteristics
Process Contact and Cable Extraction
• A dedicated tool is available to remove the contacts from the
connectors.
CHARACTERISTIC
Working Voltage (sea level)
Rated Current AWG 24
Rated Current AWG 25
Rated Current AWG 26
Rated Current AWG 28
Contact Resistance
Insulation Resistance
Voltage Proof
Temperature range
SPECIFICATION
150 Vrms
3.5 A
2.5 A
2.5 A
1.5 A
5 mΩ (rated current)
5000 MΩ min
600 Vrms /2.0mA (leakage current)
-55/+125 °C
Options
• Optional interfacial seal can be applied for female connectors (to be
ordered separately).
• Optional captive nuts or float mounting.
Packaging
• Individual packaging.
• Contact extraction tool has to be ordered separately.
Contact Retention Force
22.25 N max
TYPE MATING/UNMATING
FORCE (N MAX)
UNMATING
FORCE (N MIN)
WEIGHT
(G)
Size 9
20
33
47
55
69
1.3
2.0
2.9
3.5
4.3
5.1
7.1
2.3
3.1
3.9
4.4
5.2
6.0
7.3
Size 15
Size 21
Size 25
Size 31
Size 37
Size 51
82
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