3M 8250 User Manual
D Sub
Plug Connector, 50 Position 8250 Series
IDC compatible
Dimples aid in EMI/ESD protection
Lower insertion/withdrawal force than other
50 position products
Available in either open or closed end cover
Mounting options include #4-40 UNC or
metric M2.5 threated inserts
Conforms to Intelligent Peripheral Interface
(IPI) standard
14
Physical
Strain Relief Material: Stainless Steel .020 (0.50) Thick
Wire Accommodation: 26 & 28 AWG Solid or Stranded
Electrical
Date Modified: November 29, 1999
Insulation
Material: Glass Filled Polyester (PBT)
Flammability: UL 94V-0
Color: Gray
Contact
Material: Copper Alloy
Plating
Underplate: 100 µ″ (1.27 µm) Nickel — QQ-N-290, Class 2
Wiping Area: 30 µ″ (0.76 µm) Gold — MIL-G-45204, Type II, Grade C
Shell
Material: Steel
Plating: Tin
Marking: 3M Logo & Contact Position Numbers
TS-0035-15
Sheet 1 of 3
Current Rating: 1 A
Insulation Resistance: > 1 × 109 Ω at 500 VDC
Withstanding Voltage: 1000 Vrms at Sea Level
Environmental
Temperature Rating: –55° to +105°
UL File No.: E68080
3M Interconnect Solutions Division
6801 River Place Blvd.
Austin, TX 78726-9000
For technical, sales or ordering information call
800-225-5373
D Sub
Plug Connector, 50 Position 8250 Series
Closed End Cover
2.79
[ 70.9 ]
.050 Ref
[ 1.27 ]
Open End Cover
.47
[ 11.9 ]
.46 ± .004
[ 11.7 ]
.050 Ref
[ 1.27 ]
.42
[ 10.7 ]
.112
[ 2.84 ]
.73 Ref
[ 18.5 ]
2.79
[ 70.9 ]
Preassembled
Adhesive with Liner
2.53 ± .004
[ 64.3 ]
2.77
[ 70.4 ]
2.40 ± .004
[ 61.0 ]
4
2.074 ± .009
[ 52.68 ]
49
48
.62
[ 15.7 ]
Assembled
Thickness
.236–.01
[ 6.0–0.3 ]
See Ordering Information
.281 [ 7.14 ] Max Screw Depth
1
.224
[ 5.69 ]
Notes:
xx
1. Circled Numbers represent cable conductor number.
2. Preassembled closed cover is on Pin #1 side.
.054
[ 1.37 ]
23
Ordering Information
Connector
8250-X00X
Cover Style:
6 = Open Cover
7 = Closed Cover
3M Interconnect Solutions Division
6801 River Place Blvd.
Austin, TX 78726-9000
.108
[ 2.74 ]
Mounting Style:
5 = 4-40 UNC
6 = M2.5
50
[ 1.02 ]
.04
.60
[ 15.3 ]
.43
[ 10.9 ]
Strain Relief
(Order Separately)
3448-8D50
For technical, sales or ordering information call
Inch
[mm]
Tolerance Unless Noted
.0 .00 .000
Inch
[ ] Dimensions for
Reference only
TS-0035-15
Sheet 2 of 3
800-225-5373
± .005± .1 ± .01
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