637/638
SERIES
D-Sub Connectors: Vertical, High Density
Features:
•
•
•
•
•
•
•
•
Plug and receptacle in 15, 26, 44, 62 or 78 contact sizes
Pin and socket contact mating design with P.C. tail termination
Metal shell provides EMI/RFI shielding, plug shell indents provide grounding and additional mating retention
Grounding features include boardlock for exceptional retention to P.C. board
Mounting options for panel mount or connector mating include through hole, threaded hole and threaded
standoffs
D-shaped connector mating outline provides polarization
Design based on requirements of MIL-C-24038, EIA RS-232 and RS-449
High profile available in receptacle only
Specifications:
Insulator Material
Contact Material
Contact Plating
Shell Material
Current Rating
Contact Resistance
Insulation Resistance
Dielectric Withstanding Voltage
Operating Temperature
Insertion Force
Withdrawal Force
PBT with glass fiber, UL 94V-0, color: Black
Plug (pin): Brass
Receptacle (socket): Brass or phosphor bronze
Selective gold (see ordering code) over nickel for the mating area, tin plating for tail area
Tin or nickel plated steel
5 amps
15 milliohms maximum
1000 megaohms minimum
500 V AC rms at Sea Level
-50°C To +100°C
16 oz (4.45 N) Maximum Per Contact Position
1 oz (0.28 N) Minimum Per Contact Position
Ordering Code:
637-015-230-047
SERIES:
637: PLUG (PIN)
638: RECEPTACLE (SOCKET)
NO. OF CONTACTS:
015 - 15 CONTACTS 026 - 26 CONTACTS
044 - 44 CONTACTS 062 - 62 CONTACTS
078 - 78 CONTACTS
CONTACT FINISH CODE:
2 - GOLD FLASH PLATING
3 - 15µ" OF GOLD PLATING
6 - 30µ" OF GOLD PLATING
TERMINATION:
010 - CRIMP AND LOAD (CABLE ASSEMBLY)
CONTACT CODE:
30 - PCB TAIL STANDARD PROFILE INSULATOR
31 - PCB TAIL HIGH PROFILE INSULATOR
32 - SOLDER CUP (STANDARD PROFILE ONLY)
FLANGE MOUNTING OPTIONS:
1 - DIA.120"(DIA.3.05MM) THROUGH HOLE
2 - #4-40 THREADED CLINCH NUT (BOARDSIDE) .098"(2.49mm)
3 - #4-40 THREADED STANDOFF
6 - #4-40 THREADED HOLE WITH BOARDLOCKS (N/A FOR CRIMP & LOAD TERMINATION)
7 - #4-40 THREADED STANDOFF WITH BOARDLOCKS (N/A FOR CRIMP & LOAD TERMINATION)
8 - #4-40 THREADED CLINCH NUT (MATING SIDE) .236"(6.00mm)
9 - #4-40 THREADED CLINCH NUT (BOARDSIDE) .236"(6.00mm)
INSULATOR STYLE:
4 - STANDARD PROFILE - STANDARD TEMP
5 - HIGH PROFILE - STANDARD TEMP (638 ONLY)
(N/A FOR CRIMP & LOAD TERMINATION)
6 - STANDARD PROFILE - HIGH TEMP
(N/A FOR CRIMP & LOAD TERMINATION)
7 - HIGH PROFILE - HIGH TEMP (638 ONLY)
(N/A FOR CRIMP & LOAD TERMINATION)
SHELL PLATING
0- NICKEL PLATED SHELL
2 - TIN PLATED SHELL
Contact P/N:
638-292-271
"Wire Gauge (AWG):
24 - 26
Contact P/N:
637-292-271
Wire Gauge (AWG):
24 - 26
www.edac.net
customerservice@edac.net
637/638
SERIES
D-Sub Connectors: Vertical, High Density
STANDARD PROFILE
A±0.35
B±0.10
2-#4-40UNC
8.48±0.15
1
16
31
44
PLUG 637 SERIES
0.9
6.00
CRIMP TYPE
16.00±0.35
6.10±0.35
12.60±0.25
C±0.15
6.10±0.35
12.60±0.25
15
30
4.0 REF
Ø3.20 REF
3.96
5.0
10°-2
31.75
1
22
43
5.6 MAX
4.8±0.5
15~62 CONTACT
62 PIN
2.99
31.75
2.41
21
16.66
1
10
19
26 PIN
16.66
2.29
9
18
2.80
16.00±0.35
3.96
Ø1.05-62 HOLES
0.625
1.785
2-Ø3.05
0.635
1.655
Ø1.05-26 HOLES
44 PIN
23.52
1
16
31
15 PIN
23.52
2.29
12.50
3.96
15
30
44
12.50
5
10
15
2.80
2.50
1
6
11
2.29
3.96
Ø1.05-44 HOLES
0.635
1.655
2-Ø3.05
0.89
1.40
Ø1.05-15 HOLES
STANDARD PROFILE
A±0.35
B±0.10
2-#4-40UNC
7.90±0.15
15
30
44
31
RECEPTACLE 638 SERIES
0.9
6.0
15.40±0.25
42
62
3.96
6.10±0.35
26
78 CONTACT
CRIMP TYPE
16.00±0.35
6.00±0.35
C±0.15
6.10±0.35
12.60±0.25
1
16
4.0
1.6
Ø3.20 REF
10°-2
5.6 MAX
4.8±0.5
62 PIN
31.75
2.41
21
26 PIN
31.75
16.66
2.29
3.96
1
22
9
18
26
16.66
2.80
1
10
2.99
12.60±0.25
3.96
15~62 CONTACT
16.00±0.35
6.00±0.35
15.40±0.25
3.96
42
62
1.785
0.625
43
1.655
0.635
19
Ø1.05-62 HOLES
2-Ø3.05
Ø1.05-26 HOLES
44 PIN
23.52
15
15 PIN
23.52
2.80
1
2.29
12.50
2.29
3.96
16
5
11
15
12.50
2.54
1
6
11
78 CONTACT
Ø1.05-15 HOLES
3.96
30
44
1.655
0.635
31
1.40
2-Ø3.05
0.89
Ø1.05-44 HOLES
NUMBER OF
CONTACTS
15
26
44
62
A
Inch
(mm)
Inch
.984
1.312
1.852
2.500
1.213 (30.80)
1.541 (39.15)
2.087 (53.00)
2.728 (69.30)
B
(mm)
(24.99)
(33.32)
Inch
.666
.994
C
PLUG
(mm)
C
RECEPTACLE
Inch
(mm)
.642
.970
1.512
2.157
(16.30)
(24.65)
(38.40)
(54.80)
(16.92)
(25.25)
(38.96)
(55.42)
(47.04) 1.534
(63.50) 2.182
www.edac.net
customerservice@edac.net
637/638
SERIES
D-Sub Connectors: Vertical, High Density
78 PIN STANDARD PROFILE
PLUG 637 SERIES
67.00±0.38
61.10±0.25
52.80±0.13
6.24
Ø3.05
15.40±0.38
2.08
61.10
2.42
2-Ø3.20
2.08
78-Ø1.10
2.420
11.30±0.13
RECOMMENDED PCB LAYOUT
6.10±0.25
11.00±0.25
1.0 MAX
0.5 MAX
4.50±0.38
0.60
2.08
6.24
13.42±0.25
RECEPTACLE 638 SERIES
67.00±0.38
61.10±0.25
52.20±0.13
2.08
Ø3.05
15.40±0.38
61.10
2.42
2-Ø3.20
2.08
6.24
78-Ø1.10
2.420
RECOMMENDED PCB LAYOUT
6.00±0.25
10.90±0.25
1.0 MAX
0.5 MAX
10.90±0.13
www.edac.net
4.50±0.38
0.60
2.08
6.24
13.42±0.25
customerservice@edac.net
637/638
SERIES
D-Sub Connectors: Vertical, High Density
RECEPTACLE 638 SERIES
HIGH PROFILE
A±0.30
B±0.10
C±0.15
2 X #4-40 UNC
78S=10.90±0.15
7.90±0.15
1
78S=15.4±0.3
10°±1.5°-2
12.6±0.3
11.0±0.20
9.4±0.3
0.9 5.8±0.2
Ø0.7±0.05
D±0.25
15S=2.29
26S=2.29
PITCH 44S=2.29
62S=2.41
78S=2.41
5.4±0.25
3.96±0.1
10.9±0.2
NUMBER OF
CONTACTS
15
26
44
62
78
A
Inch
1.213
1.543
2.087
2.732
2.638
(mm)
(30.80)
(39.20)
(53.00)
(69.40)
(67.00)
Inch
.984
1.312
1.852
2.500
2.406
B
(mm)
(24.99)
(33.32)
Inch
.643
.972
C
(mm)
(16.34)
(24.70)
(38.40)
(54.80)
(52.20)
Inch
.756
1.091
1.618
2.256
2.169
D
(mm)
(19.20)
(27.70)
(41.10)
(57.30)
(55.10)
(47.04) 1.512
(63.50) 2.157
(61.10) 2.055
www.edac.net
4.10
customerservice@edac.net
