Standard Density D-subminiature

Technical Specifications

 

Press-fit Technical Specifications

Materials and Finishes
Insulator: MD, ED, SD: Nylon resin, UL 94V-0, black

ORD, RD, HDC: Glass filled DAP per ASTM-D-5948, SDG-F, UL 94V-0, green color

MDX: Glass filled polyester per ASTM D5927, UL 94V-0, blue color.
Contacts: Precision machined copper alloy
 
Environmental Initiatives

Thermocouple contacts - crimp and PCB mount:

Type Material Color Code
K Chromel (+) White
Alumel (-) Green
T Copper (+) Red
Constantan (-) Yellow
E Chromel (+) White
Constantan (-) Yellow

 

Contact Plating:
MD, MDX, ED, SD: Professional performance: Gold flash over nickel plate. Other finishes available upon request.
ORD: Industrial performance: Gold flash over nickel plate. Other finishes available upon request.
RD, HDC: Military performance: 0.000050 inch [1.27 µ] gold over copper plate.

Performance level one: Gold flash over nickel plate.

Other finishes available upon request.
 
Shells: MD, MDX, ED, SD, ORD: Steel with tin plate; zinc plate with chromate seal, stainless steel passivated.

HDC, RD: Steel with tin plate; zinc and cadmium plate with chromate seal, stainless steel passivated.

Other materials and finishes available upon request.
Mounting Spacers and Brackets: Nylon; copper alloy or steel with zinc plate and chromate seal or tin plate; phosphor bronze with tin plate; stainless steel, passivated; polyester.
Jackscrew Systems: Brass or steel with zinc plate and chromate seal or clear zinc plate or tin plate; stainless steel, passivated.
Push-On Fasteners: MD, MDX, ED, SD, HDC Series: Phosphor bronze or beryllium copper with tin plate
Vibration Lock Systems: Slide lock and lock tabs, steel with nickel plate
Hoods: Composite and plastic, UL 94V-0; brass or steel with zinc plate and chromate seal. Aluminum; aluminum with electroless nickel plate. For aluminum hoods, zinc content is 1% maximum. Die cast zinc. Composite and plastic, UL 94V-0; brass or steel with zinc plate and chromate seal. Aluminum; aluminum with electroless nickel plate; aluminum with yellow anodize; aluminum with yellow chromate conversion. For aluminum hoods, zinc content is 1% maximum. Die cast zinc.

Low magnetic versions are available. Contact Technical Sales.

Mechanical Characteristics
Contacts:
Male: Size 20. 0.040 inch [1.02 mm] mating diameter.
Female: MD, ED: Size 20. Rugged open entry design.

SD: Size 20. Robi-D open entry design.

MDX, HDC, RD: Size 20. PosiBand closed entry design.

ORD: Size 20. Rugged Robi-D open entry design or PosiBand closed entry design.
 
Removable Contacts: SD, RD, ORD: Insert contact to rear face of insulator and release from rear face of insulator.
Contact Retention in Insulator: MD, MDX, ED, SD: 6 lbs. [27 N]

HDC, RD, ORD: 9 lbs. [40 N]
Resistance to Solder Iron Heat: MD, ED: 500°F [260°C] for 10 seconds duration.

HDC: 650°F [350°C] for 10 seconds duration.

Per IEC 60512-6
 
Contact Terminations:
Removable crimp: SD: Closed barrel crimp, wire sizes 18 AWG [1.00 mm²] through 32 AWG [0.03 mm²].

RD: Closed barrel crimp, wire sizes 18 AWG [1.00 mm²] through 30 AWG [0.05 mm²].

ORD: Closed barrel crimp, wire sizes 18 AWG [1.00 mm²] through 24 AWG [0.25 mm²].
Solder cup contacts: MD, MDX, ED, HDC: 0.042 inch [1.06 mm] minimum hole diameter for 20 AWG [0.5mm²] wire maximum.
Straight printed board mount: MD, MDX: 0.028 inch [0.71 mm] termination diameter.

ED, SD: 0.024 inch [0.61 mm] termination diameter.

HDC: 0.028 inch [0.71 mm] termination diameter and 0.024 inch [0.61 mm] termination diameter.
Right angle (90°) printed board mount: MD, MDX: 0.028 inch [0.71 mm] termination diameter for all printed board footprints.

ED: 0.024 inch [0.60 mm] termination diameter for European Metric footprint.

HDC: 0.028 inch [0.71 mm] termination diameter for Inch System footprint, and 0.024 inch [0.61 mm] termination diameter for European Metric footprint.
Wrap post: MD: 0.025 inch [0.64 mm] square.
 
Shells: MD, ED, SD, HDC, RD, ORD: Male shells may be dimpled for EMI/ESD ground paths.
Polarization: Trapezoidally shaped shells and polarized jackscrews.
Mounting to Angle Brackets: MD, MDX, ED, HDC: Jackscrews and riveted fasteners with a 0.120 inch [3.05 mm] clearance hole, and threaded riveted fasteners with 4-40 threads and polyester lock inserts.
Mounting to Printed Board: MD, MDX, ED, HDC: Rapid installation push-on fasteners and threaded posts.

SD: Rapid installation push-on fasteners.

Locking Systems: Jackscrews and vibration locking systems.
Mechanical Operations: Open entry contacts: 500 operations minimum

PosiBand closed entry contacts: 1000 operations minimum

Per IEC 60512-5
Electrical Characteristics
Contact Current Rating:
Open entry contacts: 7.5 amperes nominal
PosiBand closed entry contacts, tested per UL 1977: 18 amperes, 2 contacts energized.

14 amperes, 6 contacts energized.

11 amperes, 15 contacts energized.

10 amperes, 25 contacts energized.

9 amperes, 50 contacts energized.

See Temperature Rise Curves for details
 
Initial Contact Resistance: Open entry contacts: 0.008 ohms maximum

PosiBand closed entry contacts: 0.004 ohms maximum
Proof Voltage: 1000 V r.m.s.
Insulation Resistance: 5 G ohms
Clearance and Creepage Distance (minimum): 0.039 inch [1.0 mm]
Working Voltage: 300 V r.m.s.
Climatic Characteristics
Temperature Range: -55°C to +125°C
Damp Heat, Steady State: MD, MDX, ED, SD, ORD: 10 days

RD: 21 days

HDC: 56 days
MD Series connectors can be supplied with interfacial seals and sealed between shell and insulator. This provides an additional degree of moisture resistance.
Standard Density D-subminiature