D-20418-2 Cinch Connectors, D-20418-2 Datasheet - Page 142

• 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

D-subminiature Metal Shell
Solder Cup, Right-Angle, and Vertical PCB
Series 1 - High Reliability
Insulator Material: Glass-filled diallyl phthalate (green)
Connector Shell: Steel with zinc plating and yellow chromate finish or
Contact Material: Plug - Brass (machined), Socket - Phosphor
Contact Plating: 30µin. gold over nickel
4-40 Clinch Nut: Steel with cadmium plating and yellow chromate finish
Dual Float Bushing: Stainless steel, passivated
Operating Temperature: -65°C to + 125°C
Shock: 50G peak per MIL-STD-202, Method 213, Condition G
Vibration: 12 cycles in three perpendicular directions @ 10-2000Hz, per
Moisture Resistance: 90-95% relative humidity @ 40°C for 96 hours per
Individual Contact Insertion and
Durability: 500 mating cycles
Call Toll Free: 1 [phone]
Insulation Resistance:
Separation Force (minimum/maximum): 0.7 oz./12 oz.
Withstanding Voltage:
Available in vertical and right-angle dip solder PCB connectors and solder cup version for
wire termination.
Commercial version of M24308 military connectors with tin-plated or zinc-plated shell
and 30µin. gold plating.
Monoblock green diallyl phthalate insulator for improved electrical performance.
Machined contacts for precision performance.
Offered in 9, 15, 25, 37, and 50 (except right-angle version) position plugs and sockets.
Offered with .120 mounting holes, 4-40 clinch nuts (except right-angle version), or dual
float bushings (except right-angle version).
Approvals:
•
•
See pages 4-5 thru 4-10 for standard dimensions, contact arrangements, and panel
mounting specifications.
Contact Resistance:
UL Recognized - Files E170218 (UL1977)and E130965 (UL1863).
CSA Approved - File LR31996.
Current Rating:
MIL-STD-202, Method 204, Condition D
tin plating (grounding indents on plug)
bronze (machined)
UL 94V-0 rated
MIL-STD-202, Method 103
Minimum 1250V RMS @ sea level
5 Amps
2.7 milliohms maximum
5000 megohms maximum (initial);
1000 megohms (minimum) after
environmental testing
4-48