PROFESSIONAL QUALITY,
FIXED CONTACT
SUBMINIATURE-D CONNECTORS
Positronic Industries
connectpositronic.com
FOR SHELTERED INDOOR/OUTDOOR ENVIRONMENTAL APPLICATIONS
D-Sub
Size 20 Contacts, Fixed
Professional Quality
Connectors
IEC Publication 807-2
Performance Level Two
U.L. Recognized
File #E49351
CSA Recognized
File #LR54219
A
IT
POS
Di
rec
tive
2002
/9
MELO-D/EURO-D SERIES TECHNICAL CHARACTERISTICS
MATERIALS AND FINISHES:
Insulator:
Contacts:
Contact Plating:
Shells:
Mounting Spacers
and Brackets:
Push-On Fasteners:
Jackscrew Systems:
Vibration Lock Systems:
Hoods:
Nylon resin, UL 94V-0, black color.
Male contacts – precision machined brass.
Female contacts – precision machined
high tensile phosphor bronze.
Professional performance Gold flash over
nickel plate. Other finishes available upon
request.
Steel with tin plate; zinc plate with dichro-
mate seal. Other materials and finishes
available upon request.
Nylon plastic, or brass with tin plate; zinc
plate with dichromate seal.
Phosphor bronze or beryllium copper with
tin plate.
Steel with zinc plate and dichromate seal,
or clear zinc plate.
Slide lock and lock tabs, steel with nickel
plate.
Thermoplastic UL 94V-0. Composite,
brass or steel with zinc plate and dichro-
mate seal.
7.5 amperes nominal.
0.008 ohms maximum.
5 G ohms.
1000 V r.m.s.
0.039 inch [1.0mm].
300 V r.m.s.
-55°C to +125°C.
10 days.
MECHANICAL CHARACTERISTICS:
Fixed Contacts:
Contact Retention
In Insulator:
Resistance To Solder
Iron Heat:
Melo-D
Contact Terminations:
Size 20 contact, male contact - 0.040 inch
[1.02mm] diameter. Female contact -
rugged open entry design.
ELECTRICAL CHARACTERISTICS:
Contact Current Rating:
Initial Contact
Resistance:
Insulator Resistance:
Proof Voltage:
Clearance and Creepage
Distance [minimum]:
Working Voltage:
Temperature Range:
Damp Heat, Steady
State:
CLIMATIC CHARACTERISTICS:
6 lbs. [27N]
500°F [260°C] for 10 seconds duration per
IEC 512-6.
Solder cup contacts – 0.042 inch [1.06mm]
minimum hole diameter for 20 AWG
[0.5mm
2
] wire maximum.
Straight Printed Board Mount – 0.028 inch
[0.71mm] diameter.
90° Printed Board Mount – 0.028 inch
[0.71mm] diameter for all printed board
footprints.
Wrap Post – 0.025 inch [0.64mm] square.
Euro-D
Solder cup contacts – 0.042 inch [1.06mm]
Contact Terminations:
minimum hole diameter for 20 AWG
[0.5mm
2
] wire maximum.
Straight Printed Board Mount – 0.024 inch
[0.60mm] diameter.
90° Printed Board Mount – 0.024 inch
[0.60mm] diameter for European Metric
Footprints.
Shells:
Male shells may be dimpled for EMI/ESD
ground paths.
Polarization:
Trapezoidally shaped shells and polarized
jackscrews.
Mounting To Angle Brackets:
Jackscrews and riveted fasteners with a
0.120 inch [3.05mm] clearance hole, and
threaded riveted fasteners with 4-40
threads and nylon lock inserts.
Mounting To Printed Board:
Rapid installation push-on fasteners and
threaded posts.
Locking Systems:
Jackscrews and vibration locking systems.
Mechanical Operations:
500 operations minimum per IEC 512-5.
3
5/
Compliant
EC
•
MD / ED SERIES
Telecommunication
U.L. File #14098
Melo-D and Euro-D Series connectors are professional quality connec-
tors recommended for use in sheltered, non-corrosive indoor or outdoor
environments having normal ventilation, but without temperature or humid-
ity controls. These fixed contact connectors meet the dimensional and per-
formance requirements of IEC 807-2, Performance Level Two.
Melo-D and Euro-D Series connectors utilize precision machined contacts
which are fixed within the connector body. The female contact is an open
entry design contact, precision machined of high tensile phosphor bronze.
Six standard connector variants are offered in arrangements of 9, 15,
25, 29, 37 and 50 contacts. Each Melo-D connector variant is available
with contact terminations for solder cup, wrap post, and straight and 90°
printed board mount terminations featuring a choice of three printed board
footprints. Each Euro-D connector variant is available with contact termi-
nations for solder cup, wrap post and straight and 90° printed board mount
terminations per standard European metric footprints. Melo-D and Euro-D
Series connectors are mateable and compatible with all D-Subminiature
connectors conforming to IEC 807-2 and MIL-DTL-24308.
A wide assortment of printed board mounting hardware, cable support
hoods and locking systems is available from stock.
Melo-D and Euro-D Series connectors conform to EIA RS 232 and RS
449, and CCITT X.24 interface connector requirements.
F
O
R
D
E
TA
IL
SK
NIC
INDU
S
O
R
RoHS
S
TR
Contact Technical
Sales for details.
IES
•
pe
U
rE
D-Sub
PROFESSIONAL QUALITY,
FIXED CONTACT
SUBMINIATURE-D CONNECTORS
FOR SHELTERED INDOOR/OUTDOOR ENVIRONMENTAL APPLICATIONS
Positronic Industries
connectpositronic.com
CONTACT VARIANTS
FACE VIEW OF MALE OR REAR VIEW OF FEMALE
1
2
3
4
5
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10 11 12 13
6
7
8
9
9
10 11 12 13 14 15
14 15 16 17 18 19 20 21 22
23 24 25
SIZE 9
1
2
3
4
5
6
7
8
9
10
1
11 12 13 14 15 16 17 18 19
20
21 22 23 24 25 26 27 28 29
2
3
4
5
6
7
SIZE 15
1
8
9
10 11 12 13 14 15 16 17 18 19
2
3
4
5
6
SIZE 25
7
8
9
10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
34
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
SIZE 29
SIZE 37
SIZE 50
STANDARD SHELL ASSEMBLY
B
B1
M
K
G
10° Typ.
0.050±0.010
[1.27±0.25]
H
E
D1
D
C
A
0.036±0.008
[0.91±0.20]
0.220 [5.59]
Max.
Ø0.120±0.005 [Ø3.05±0.13]
Mounting hole, two places
OPTIONAL SHELL ASSEMBLY [0, 02]
OPTIONAL SHELL ASSEMBLY
WITH UNIVERSAL FLOAT MOUNTS [F]
0.120±0.010 [3.05±0.25]
Ø0.120±0.005 [Ø3.05±0.13]
Mounting hole, two places
for stainless steel shell (0 option)
Ø0.154 [3.91] Mounting hole,
two places (02 option)
A
±0.015
[0.38]
1.213
[30.81]
1.213
[30.81]
1.541
[39.14]
1.541
[39.14]
2.088
[53.04]
2.088
[53.04]
1.770
[44.96]
1.770
[44.96]
2.729
[69.32]
2.729
[69.32]
2.635
[66.93]
2.635
[66.93]
2.064
[52.43]
2.159
[54.84]
2.079
[52.81]
1.251
[31.78]
2.182
[55.42]
1.511
[38.38]
1.274
[32.36]
0.971
[24.66]
1.534
[38.96]
0.643
[16.33]
0.994
[25.25]
B
±0.005
[0.13]
B1
±0.005
[0.13]
0.666
[16.92]
C
±0.005
[0.13]
0.984
[24.99]
0.984
[24.99]
1.312
[33.32]
1.312
[33.32]
1.852
[47.04]
1.852
[47.04]
1.534
[38.96]
1.534
[38.96]
2.500
[63.50]
2.500
[63.50]
2.406
[61.11]
2.406
[61.11]
0.423
[10.74]
0.311
[7.90]
0.431
[10.95]
0.311
[7.90]
0.311
[7.90]
0.311
[7.90]
D
±0.005
[0.13]
0.032 [0.81]
Total diametral float
Ø0.086+0.005 Ø2.18+0.13
-0.00
-0.000
Mounting hole, two places
[
]
CONNECTOR
VARIANT SIZES
9M
9F
15 M
15 F
25 M
25 F
29 M
29 F
37 M
37 F
50 M
50 F
D1
±0.005
[0.13]
0.329
[8.36]
E
±0.015
[0.38]
0.494
[12.55]
0.494
[12.55]
G
±0.010
[0.25]
0.759
[19.28]
0.759
[19.28]
1.083
[27.51]
1.083
[27.51]
1.625
[41.28]
1.625
[41.28]
1.322
[33.58]
1.322
[33.58]
2.272
[57.71]
2.272
[57.71]
2.178
[55.32]
2.178
[55.32]
H
±0.010
[0.25]
0.422
[10.72]
0.422
[10.72]
0.422
[10.72]
0.422
[10.72]
0.422
[10.72]
0.422
[10.72]
0.539
[13.69]
0.539
[13.69]
0.422
[10.72]
0.422
[10.72]
0.534
[13.56]
0.534
[13.56]
K
±0.005
[0.13]
0.233
[5.92]
0.243
[6.17]
0.233
[5.92]
0.243
[6.17]
0.230
[5.84]
0.243
[6.17]
0.217
[5.51]
0.237
[6.02]
0.230
[5.84]
0.243
[6.17]
0.230
[5.84]
0.243
[6.17]
M
±0.010
[0.25]
0.422
[10.72]
0.429
[10.90]
0.422
[10.72]
0.429
[10.90]
0.426
[10.82]
0.429
[10.90]
0.426
[10.82]
0.429
[10.90]
0.426
[10.82]
0.429
[10.90]
0.426
[10.82]
0.429
[10.90]
0.329
[8.36]
0.494
[12.55]
0.494
[12.55]
0.329
[8.36]
0.494
[12.55]
0.494
[12.55]
0.450
[11.43]
0.605
[15.37]
0.605
[15.37]
0.329
[8.36]
0.494
[12.55]
0.494
[12.55]
0.441
[11.20]
0.605
[15.37]
0.605
[15.37]
DIMENSIONS ARE IN INCHES [MILLIMETERS].
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
4
MD / ED SERIES
PROFESSIONAL QUALITY,
FIXED CONTACT
SUBMINIATURE-D CONNECTORS
Positronic Industries
connectpositronic.com
FOR SHELTERED INDOOR/OUTDOOR ENVIRONMENTAL APPLICATIONS
D-Sub
SOLDER CUP CONNECTOR
Fixed female jackscrews
20 AWG max.
2
[0.5 mm ]
Fixed female
jackscrew
Fixed male
jackscrew
IMPEDANCE [OHMS]
ATTENUATION [dB]
MD / ED SERIES
5
0.135 [3.43]
0.352 [8.94]
For solder cup contacts, specify
code 2 in step 4
of ordering information.
Fixed male and female polarized jackscrews available.
Specify code T6 in step 7 of ordering information.
Typical Part Number: MD15M200T6Z
Typical Part Number: ED15M200T2Z
STRAIGHT PRINTED BOARD MOUNT CONNECTOR
CODE
NUMBER
3
32
36
L
0.150
[3.81]
0.375
[9.53]
0.236
[5.99]
ØD
0.028
[0.71]
0.028
[0.71]
0.024
[0.61]
Fixed female jackscrews
Swaged spacer with
push-on fastener
phosphor bronze
0.225 [5.71]
0.010 [0.25]
MIN.
For straight printed board mount
contacts, specify code number in
step 4 of ordering information.
L
ØD
Typical Part Number: MD25F3S60T0
FERRITE INDUCTOR BAR FOR EMI/RFI NOISE SUPPRESSION
STRAIGHT PRINTED BOARD MOUNT CONNECTOR
FILTERING CHARACTERISTICS
Swaged spacer with push-on
fastener phosphor bronze
0.010 [0.25] Min.
SERIES
MD
MD
MD
MD
ED
ED
DD
ODD
ODD
HDC
HDC
HDC
CODE NO.
32
4
59
6
36
6
32
32
5
32
36
6
A
0.375 [9.53]
------
------
0.375 [9.53]
0.375 [9.53]
0.375 [9.53]
0.515 [13.08]
0.375 [9.53]
------
0.375 [9.53]
0.375 [9.53]
0.375 [9.53]
L
0.240 [6.10]
------
------
0.360 [9.14]
0.101 [2.57]
0.360 [9.14]
0.165 [4.19]
0.165 [4.19]
------
0.240 [6.10]
0.101 [2.57]
0.360 [9.14]
Fixed female jackscrews
IMPEDANCE
A
L
ATTENUATION*
90° PRINTED BOARD MOUNT CONNECTOR
Ferrite inductor bar
0.135±0.005
[3.43±0.13]
FREQUENCY
*NO-LOAD CONDITION
MATERIAL: NICKEL ZINC CERAMIC.
Specify code F or Q in step 6 of ordering
information. F for ferrite inductor and Q
for ferrite inductor with push-on fastener.
Fixed
female
jackscrews
WRAP POST CONNECTOR
0.025 [0.64] Sq.
0.495 [12.57]
0.720 [18.29]
For wrap post contacts,
specify code 6 in step 4
of ordering information.
Typical Part Number: MD15F600T20
DIMENSIONS ARE IN INCHES [MILLIMETERS].
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
MD25M6S50T0
D-Sub
PROFESSIONAL QUALITY,
FIXED CONTACT
SUBMINIATURE-D CONNECTORS
FOR SHELTERED INDOOR/OUTDOOR ENVIRONMENTAL APPLICATIONS
Positronic Industries
connectpositronic.com
90° PRINTED BOARD MOUNT CONNECTOR
CODE 5, 0.283 [7.19] CONTACT EXTENSION
C
MD**5R4*** 0.283 [7.19] CONTACT EXTENSION
PART NUMBER
MD9*5R4***
MD15*5R4***
MD25*5R4***
A
1.204
[30.58]
1.532
[38.91]
2.072
[52.63]
1.754
[44.55]
2.720
[69.09]
2.626
[66.70]
B
0.984
[24.99]
1.312
[33.32]
1.852
[47.04]
1.534
[38.96]
2.500
[63.50]
2.406
[61.11]
C
0.339
[8.61]
0.339
[8.61]
0.339
[8.61]
0.395
[10.03]
0.339
[8.61]
0.395
[10.03]
D
0.283
[7.19]
0.283
[7.19]
0.283
[7.19]
0.283
[7.19]
0.283
[7.19]
0.283
[7.19]
Fixed
female
jackscrews
B
±0.008
[0.20]
A
MD29*5R4***
MD37*5R4***
MD50*5R4***
0.112 [2.84] Typ.
Specify code 5
in step 4 of
ordering information
Numbering shown is rear view
of male and face view of female.
0.112 [2.84] Typ.
D
D
0.112 [2.84]
Typ.
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
15
3
15
2
14
1
0.160 [4.06]
Nominal
Typical Part Number:
MD25M5R4NT2X
0.125 [3.18]
X 0.233 [5.92]
Oval hole Typ.
Push-on fastener
beryllium copper
Ø0.028 [0.71]
Typical Part Number:
MD50M5R4NT2X
90° PRINTED BOARD MOUNT CONNECTOR
CODE 59, 0.545 [13.84] CONTACT EXTENSION
MD**59B*** 0.545 [13.84] CONTACT EXTENSION
PART NUMBER
MD9*59B***
A
1.204
[30.58]
1.532
[38.91]
2.072
[52.63]
1.754
[44.55]
2.720
[69.09]
2.626
[66.70]
B
0.984
[24.99]
1.312
[33.32]
1.852
[47.04]
1.534
[38.96]
2.500
[63.50]
2.406
[61.11]
C
0.275
[6.99]
0.275
[6.99]
0.275
[6.99]
0.275
[6.99]
0.275
[6.99]
0.275
[6.99]
D
0.545
[13.84]
0.545
[13.84]
0.545
[13.84]
0.545
[13.84]
0.545
[13.84]
0.545
[13.84]
E
0.601
[15.27]
0.601
[15.27]
0.601
[15.27]
0.657
[16.69]
0.601
[15.27]
0.657
[16.69]
Fixed
female
jackscrews
B
±0.008
[0.20]
MD15*59B***
A
MD25*59B***
MD29*59B***
MD37*59B***
MD50*59B***
C
E
Specify code 59
in step 4 of
ordering information
Typical Part Number:
MD29M59B0T2X
0.112 [2.84] Typ.
0.112 [2.84] Typ.
D
D
0.112 [2.84]
Typ.
Numbering shown is rear view
of male and face view of female.
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
15
3
15
2
14
1
0.125 [3.18]
Nominal
Typical Part Number:
MD25M59B0T2X
Ø0.028 [0.71]
DIMENSIONS ARE IN INCHES [MILLIMETERS].
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
6
MD / ED SERIES
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