Sunkye Micro D-Sub Connectors

Sunkye R04J Micro D-sub connector Micro D-Sub Connectors MIL-DTL-83513

Designed for demanding military applications, these Sunkye Micro d-sub connectors to MIL-DTL-83513 have precision, gold plated, twist pin contacts on a nominal 1.27mm (0.050") pitch.


Standard d-sub connectors to MIL-DTL-24308 are built using an 0.100" pitch, but increasingly this footprint does not fulfill today's military or advanced electronics system specifications for weight and space.Twist Pin Contacts

Accordingly, In2Connect offer a wide range of twist pin, Micro 'D' subminiature connectors with an 0.050" contact pitch: plugs, sockets, hoods and accessories with 9, 15, 21, 25, 31, 37, 51, 66, 74 and 100 ways. Ideal for mission critical applications like aerospace, aviation, electronic, and military communications.

Because of their 10 strand BeCu, male twist pin contacts these connectors have a low electrical transfer resistance (due to the 'birdcage' shape providing multiple points of contact with the mating socket) and can therefore achieve high mating cycles and resistance to shock and vibration. Male and female d-sub connectors fit more precisely together and give a more reliable, gas-tight connection with more tolerance to vibration.

Micro D-subs offer 3 to 4 times the contact density of a  Standard D-sub layout whilst, by virtue of the shell design, maintaining the D sub connectors automatic polarisation.

Micro D-subs are qualified and approved to MIL-DTL-83513 which is the United States Department of Defense Logistics Agency's detailed specification controlling dimensions, materials, performance and test regimes. MIL-DTL-83513 covers Micro-D Sub connectors having plastic or metal shells. Sunkye R04 Series Microminiature Rectangular Connectors have plastic bodies. Sunkye R04J Series Microminiature Rectangular Connectors have Aluminium or Stainless Steel bodies.



Key Features


  • Sunkye twist-pin Microminiature d-subs meet the most demanding requirements.
  • Twist pin contacts. Offering up to 100 contacts.
  • Solder bucket, Straight PC, 90 degree PC and crimp termination styles - to suit all your Micro-d type connector applications.
  • Robust and shielded - for enhanced electrical continuity and effective EMI/RFI shielding.
  • Wide range of accessories for greater user flexibility


Blue Bullet Shell - Plastic or nickel plated Aluminium & Stainless Steel
Blue Bullet Insulator - Polyphenylene Sulfide (PPS) or Polyetherimide (PMI)
Blue Bullet Contact - Gold plated Twist Pin type
Blue Bullet Current 
Individual contact (in isolation) 3A @ 20ºC Tamb
Blue Bullet Proof voltage 800 Vdc or ac peak
Blue Bullet Contact Resistance 10mOhm Sign max
Blue Bullet Insulation Resistance 5000MOhm Sign min
Blue Bullet Mechanical Operations - 500            
Blue Bullet Vibration ~ 10Hz~2000Hz


Blue Bullet Power spectral density 0.4G²/Hz, RMS value of total acceleration 23.1G
Blue Bullet Shock ~ 980m/s² 11ms
Blue Bullet Operating Temperature - -55C to +125C   
Contact Arrangement
Blue Bullet 9,15, 21, 25, 31, 37, 51, 66, 74 and 100                    
Mounting Options
Blue Bullet Standard fixing holes
Blue Bullet Locking screw mounted
Blue Bullet 90 degree brackets with locking screw fitted
Blue Bullet Screwlock assembly fitted
Blue Bullet Cable clamp b/shell
Blue Bullet Rubber interfacial seal for panel mount


Connectors can be supplied factory attached to BS 3G 210, PTFE wires in lengths to meet customer requirements. Contacts accept cable 22, 24, 26, 28 and 30 AWG)

For over 60 years, Sunkye has been a specialist in the design, manufacture and supply of high performance connectors to the world commercial and military aerospace manufacturers: various naval, land and air systems and other applications and is now ISO 9001, UL, VDE and CE certified.

In2Connect stock product from Sunkye. A choice of many termination styles including crimp are available making this range one of the most versatile,


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General Download

ITW McMurdo D connectors (931 KB)
Conec D-sub Connectors (1570 KB)
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Sunkye R06 Nano-D sub connectors crimp MIL-DTL-32139 (2755 KB)
Sunkye R04J micro-D sub MIL-C-83513 (9884 KB)
Sunkye R04 Plastic bodied Micro D-sub connectors (10925 KB)
In2Connect D-sub connectors Range (7271 KB)



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