3M Interconnect Solutions Division
6801 River Place Blvd.
Austin, TX 78726-9000 For technical, sales or ordering information call
800-225-5373
.100″ .100″ PCB
Two Row 3900 Series
1
Fits standard .100 inch × .100 inch header layout
Uses less board area than 4-row design
Optional strain relief
TS-0004-13
Sheet 1 of 3
Date Modified: February 19, 1999
Physical
Insulation
Material: Glass Filled Polyester (PBT)
Flammability: UL 94V-0
Color: Gray
Contact
Material: See Ordering Information
Plating
Underplate: 2.5 µm [100 µ″] Nickel — QQ-N-290, Class 2
U-Slot & Solder Tails: 5.1 µm [200 µ″] [ 90/10 ] Tin Lead — MIL-P-81728
Marking: 3M Logo, Part Identification Number
Strain Relief
Material: Stainless Steel, 0.38 [0.15] Thk
Gray PVC
Wire Accommodation: Solid or Stranded 26 & 28 AWG
Electrical
Current Rating: 1 A
Insulation Resistance: > 1 × 109 Ω at 500 Vdc
Withstanding Voltage: 1000 Vrms at Sea Level
Environmental
Temperatur e Rating: – 55°C to +105°C
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
.100″ .100″ PCB
Two Row 3900 Series
mm
[Inch]
mm
Tolerance Unless Noted
[ ] Dimensions for
Reference only
±.13±.3
.000.00.0
TS-0004-13
Sheet 2 of 3
C
7.01
[ .276 ] Gray PVC
Strain
Relief
(Optional)
Assembled Height
7.6
[ .30 ]
Without
Strain Relief
11.4
[ .45 ]
With
Strain Relief
Cover
7.0
[ .28 ]
2.39
[ .094 ]
A
3.12
[ .123 ]
1.2 Typ
[ .05 ]
Nonconductive
Transfer Adhesive
with Liner
6.7
[ .26 ]
Detail A
Detail A
3.48
[ .137 ] 5.8
[ .23 ] .635
[ .0250 ]
0.46
[ 0.18 ]
2.75
[ .108 ]
0.35
[ .014 ]
B
Contact 1
Body
Solder W ashpads
2.54
[ .100 ]
7.0
[ .28 ]
2.54 Ref
[ .100 ]
Connector
39XX-X0X0T
Ordering Information Strain Relief
(Optional)
3448-39XX
Cover Style:
0 = Cover, Two Piece, with Adhesive
1 = Cover, Preassembled No Adhesive
Contact Material:
0 = Be Cu (C172) (Standard)
2 = Phosphor Bronze (Special Order)
Contact Quantity
(See Table) Contact Quantity
(See Table)
3M Interconnect Solutions Division
6801 River Place Blvd.
Austin, TX 78726-9000 For technical, sales or ordering information call
800-225-5373
.100″ .100″ PCB
Two Row 3900 Series
Contact Dimensions
Contact
Quantity A B C D E
06 15.2 [ 0.60 ] 12.8 [ 0.50 ] 14.6 [ 0.57 ] 15.2 [ 0.60 ] 5.1 [ 0.20 ]
08 17.7 [ 0.70 ] 15.3 [ 0.60 ] 17.1 [ 0.67 ] 17.7 [ 0.70 ] 7.6 [ 0.30 ]
10 20.4 [ 0.80 ] 17.8 [ 0.70 ] 19.8 [ 0.78 ] 20.4 [ 0.80 ] 10.2 [ 0.40 ]
14 25.5 [ 1.00 ] 22.9 [ 0.90 ] 25.0 [ 0.98 ] 25.5 [ 1.00 ] 15.2 [ 0.60 ]
16 28.1 [ 1.10 ] 25.5 [ 1.00 ] 27.4 [ 1.08 ] 28.1 [ 1.10 ] 17.8 [ 0.70 ]
20 33.1 [ 1.30 ] 30.5 [ 1.20 ] 32.5 [ 1.28 ] 33.1 [ 1.30 ] 22.9 [ 0.90 ]
24 38.0 [ 1.50 ] 35.6 [ 1.40 ] 37.4 [ 1.47 ] 38.0 [ 1.50 ] 27.9 [ 1.10 ]
26 40.8 [ 1.60 ] 38.2 [ 1.50 ] 40.0 [ 1.57 ] 40.8 [ 1.60 ] 30.5 [ 1.20 ]
30 45.6 [ 1.80 ] 43.2 [ 1.70 ] 45.0 [ 1.77 ] 45.6 [ 1.80 ] 35.6 [ 1.40 ]
34 50.9 [ 2.00 ] 48.3 [ 1.90 ] 50.3 [ 1.98 ] 50.9 [ 2.00 ] 40.6 [ 1.60 ]
36 53.3 [ 2.10 ] 50.9 [ 2.00 ] 52.6 [ 2.07 ] 53.3 [ 2.10 ] 43.2 [ 1.70 ]
40 58.5 [ 2.30 ] 55.9 [ 2.20 ] 58.0 [ 2.28 ] 58.5 [ 2.30 ] 48.3 [ 1.90 ]
50 71.2 [ 2.80 ] 68.6 [ 2.70 ] 70.6 [ 2.78 ] 71.2 [ 2.80 ] 61.0 [ 2.40 ]
60 83.9 [ 3.30 ] 81.3 [ 3.20 ] 83.3 [ 3.28 ] 83.9 [ 3.30 ] 73.7 [ 2.90 ]
64 89.0 [ 3.50 ] 86.4 [ 3.40 ] 88.4 [ 3.48 ] 89.0 [ 3.50 ] 78.7 [ 3.10 ]
∅ 0.89
[ .035 ]
(After Plating)
Each location may
vary ± 0.05 [ .002 ]
from Datum line X.
TS-0004-13
Sheet 3 of 3
Recommended Board Layout
2.54
[ .100 ]
2.23
[ 0.88 ]
7.01
[ .276 ]
2.54 ± 0.05
[ .100 ]
–X– E
D
10.16
[ .400 ]
