D-20418-2 Cinch Connectors, D-20418-2 Datasheet - Page 207

• Manufacturer Part Number: D-20418-2
• Description: D SUB SCREW LOCK, #4-40 UNC, 70.32MM
• Manufacturer: Cinch Connectors

Specifications of D-20418-2

• Screw Length: 7.92mm
• Thread Size - Imperial: 4-40
• Peak Reflow Compatible (260 C): No
• Screw Head Height: 4.6mm
• Leaded Process Compatible: No
• Accessory Type: Female Screw Lock
• Rohs Compliant: No
• For Use With: D-Subminiature Connectors
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Dura-Con
High Reliability
Metal Shell
Insulator: UL94V-0 glass-filled polyester or diallyl phthalate
Contacts: Pins - Copper alloy, Sockets - Copper alloy (machined)
Contact Plating: .000050 in gold
Shell: Aluminum alloy
Shell Plating: Yellow chromate over cadmium (std.) or
Operating Temperature: -55°C to +135°C
Individual Contact: 6 oz. (170.40 g) maximum insertion force;
Mating / Unmating Forces: See table
Insulation Resistance: 1,000 megohms min between adjacent pins
Call Toll Free: 1 [phone]
Withstanding Voltage:
Contact Resistance:
Plug & socket versions available in 9, 15, 21, 25, 31, 37, 51, and 100 positions.
Flow-through design facilitates inspection and cleaning after soldering.
All terminal block connectors use standard mounting hardware.
Metal shell provides EMI/RFI shielding capability.
Available in 3 styles: Straight mount, 90 ° right-angle mount, and 90 ° right-
angle narrow profile mounting.
Silicone elastomer interfacial seal protects contacts from moisture and
isolates them from each other and from the metal shell.
Meets requirements of MIL-C-83513.
Choice of insulator materials.
Current Rating:
electroless nickel
0.5 oz. (14.20 g) minimum withdrawal force
3 Amps maximum
600 VAC RMS @ sea level, 150 VAC
@ 70,000 ft.
8 milliohms maximum
.050" (1.27mm) Density
PCB Mount Terminal Block
5-14
No. of
Contacts
9
15
21
25
31
37
51
100
13.13
15.63
19.38
23.13
31.88
62.50
5.63
9.38
Maximum
Mating Force
Lb.
10.50
14.47
28.38
2.56
4.26
5.96
7.10
8.80
Kg
Minimum
Unmating Force
1.16
1.59
3.13
Lb.
.28
.47
.66
.78
.97
1.42
Kg
.13
.21
.30
.35
.44
.53
.72