3M 3900

.100″ .100″ PCB
Two Row
3900 Series
Fits standard .100 inch × .100 inch header layout
Uses less board area than 4-row design
Optional strain relief
Date Modified: February 19, 1999
TS-0004-13
Sheet 1 of 3
1
Physical
Insulation
Material:
Flammability:
Color:
Contact
Material:
Plating
Underplate:
U-Slot & Solder Tails:
Marking:
Strain Relief
Material:
Glass Filled Polyester (PBT)
UL 94V-0
Gray
See Ordering Information
2.5 µm [100 µ″] Nickel — QQ-N-290, Class 2
5.1 µm [200 µ″] [ 90/10 ] Tin Lead — MIL-P-81728
3M Logo, Part Identification Number
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
Temperature 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
C

7.01
[ .276 ]

Gray PVC
Assembled Height
Strain
Relief
(Optional)
2.39
[ .094 ]
7.6
[ .30 ]
7.0
[ .28 ]
Without
Strain Relief
A
Cover
11.4
[ .45 ]
3.12
[ .123 ]
With
Strain Relief
1.2 Typ
[ .05 ]
Nonconductive
Transfer Adhesive
with Liner
6.7
[ .26 ]
Detail A
3.48
[ .137 ]
Detail A
5.8
[ .23 ]
.635
[ .0250 ]
0.46
[ 0.18 ]
B
Contact 1
Solder Washpads
2.54
[ .100 ]
Body
0.35
[ .014 ]
2.75
[ .108 ]
7.0
[ .28 ]
mm
[Inch]
Tolerance Unless Noted
mm
2.54 Ref
[ .100 ]
Contact Material:
0 = Be Cu (C172) (Standard)
2 = Phosphor Bronze (Special Order)
.00
± .13
.000
[ ] Dimensions for
Reference only
Ordering Information
Connector
39XX-X0X0T
Contact Quantity
(See Table)
.0
± .3
Strain Relief
(Optional)
3448-39XX
Cover Style:
0 = Cover, Two Piece, with Adhesive
1 = Cover, Preassembled No Adhesive
Contact Quantity
(See Table)
TS-0004-13
Sheet 2 of 3
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
Quantity
A
B
Dimensions
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 ]
D
–X–
E
2.54
[ .100 ]
Each location may
vary ± 0.05 [ .002 ]
from Datum line X.
2.54 ± 0.05
[ .100 ]
7.01
[ .276 ]
10.16
[ .400 ]
2.23
[ 0.88 ]
∅ 0.89
[ .035 ]
(After Plating)
Recommended Board Layout
TS-0004-13
Sheet 3 of 3
3M Interconnect Solutions Division
6801 River Place Blvd.
Austin, TX 78726-9000
For technical, sales or ordering information call
800-225-5373