ETC 3421-6600

.100″ .100″ Wiremount Socket
.050″ Pitch Cable (Optional Plastic or Metal Strain Relief)
3000 Series
Industry standard IDC socket
Optional plastic or low profile metal strain relief
Positive locking metal ‘‘J’’ clips provide high
cover retention
Mates with 3M headers, plugs and pin strips for
quick connect/disconnect capability
Open or closed end covers available
Accepts flat cable or discrete wire
Military polarization, with or without
centerbump
Date Modified: September 17, 1999
TS-0718-04
Sheet 1 of 2
4
Physical
Insulation
Material:
Flammability:
Color:
Contact
Material:
Plating
Underplate & U-Slot:
Wiping Area:
Wire Accommodation:
Marking:
Glass Filled Polyester (PBT)
UL 94V-0
Gray
Copper Alloy
100 µ″ [ 2.54 µm ] Nickel — QQ-N-290, Class 2
30 µ″ [ 0.76 µm ] Gold — MIL-G-45204, Type II, Grade C
26 & 28 AWG Solid or Stranded
3M Logo, Part Identification Number and Orientation Triangle
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″ Wiremount Socket
.050″ Pitch Cable (Optional Plastic or Metal Strain Relief)
A
.24
[ 6.1 ]
NO.3XXX
Recessed for
Cable Exit
See Note 2
B
.15
[ 3.8 ]
.050 Typ*
[ 1.27 ]
Optional
Closed End
Cover
Nonconductive
Transfer Adhesive
with Liner
.14
[ 3.6 ]
Socket Series
B
C
10
3473
0.68 [ 17.3 ]
0.54 [ 13.7 ]
0.62 [ 15.7 ]
14
3385
0.88 [ 22.4 ]
0.74 [ 18.8 ]
0.82 [ 20.8 ]
16
3452
0.98 [ 24.9 ]
0.84 [ 21.3 ]
0.92 [ 23.4 ]
20
3421
1.18 [ 30.0 ]
1.04 [ 26.4 ]
1.12 [ 28.4 ]
24
3626
1.38 [ 35.1 ]
1.24 [ 31.5 ]
1.32 [ 33.5 ]
26
3399
1.48 [ 37.6 ]
1.34 [ 34.0 ]
1.42 [ 36.1 ]
30
3419
1.68 [ 42.7 ]
1.54 [ 39.1 ]
1.62 [ 41.1 ]
34
3414
1.88 [ 47.7 ]
1.74 [ 44.2 ]
1.82 [ 46.2 ]
36
9436
1.98 [ 50.3 ]
1.84 [ 46.7 ]
1.92 [ 48.8 ]
40
3417
2.18 [ 55.4 ]
2.04 [ 51.8 ]
2.12 [ 53.8 ]
44
9444
2.38 [ 60.5 ]
2.24 [ 56.9 ]
2.32 [ 58.9 ]
50
3425
2.68 [ 68.1 ]
2.54 [ 64.5 ]
2.62 [ 66.5 ]
60
3334
3.18 [ 80.8 ]
3.04 [ 77.2 ]
3.12 [ 79.2 ]
.54 Ref
[ 13.7 ]
Assembled Height with Metal
Profile Strain Relief
.26
[ 6.6 ]
Military:
Dual Polarization
Slots

.41 Ref
[ 10.4 ]
.06 [ 1.5 ] Centerbump (Optional)
Position 1
Dimensions
A
Contact
Quantity
.050 Ref
[ 1.27 ]
See Note 1
Triangle
Indicates
Position 1
3000 Series
.035
[ 0.89 ]

Assembled Height
without Strain Relief
.14
[ 3.6 ]
.24
[ 6.1 ]
.100
[ 2.54 ]
.100 Typ
[ 2.54 ]
.565 Ref
[ 14.35 ]
.64 Ref
[ 16.3 ]
Position 2
A
Notes:
1. This polarizing groove is non-existent on 3385 and 3473 Series.
2. The optional high cable-profile cover for cable thicker than .040 [ 1.02 ] (does not have
cable exit recess).
3. The low profile strain relief can be used with the 4600 Series Plug and .1 x .1 Headers
with ejector latches. The latches will only function as an ejector.
4. See TS-0721 for mating post pattern.
Ordering Information
Sockets
XXXX-XXXX
Socket Series:
See Table for
3M Part Number
Polarization:
0 = Military (Dual Slot)
6 = Centerbump and
Military
Cover:
6 = Open End
(For Daisy Chaining or Bussing)
7 = Closed End
(For End Cable Termination)
8 = Open End for Higher Profile Cables
(60 Pos Only)
9 = Closed End for Higher Profile Cables
(60 Pos Only)
Assembled Height with Plastic
Strain Relief
Type:
2 = Low Profile
(Metal)
3 = Plastic
[mm]
Tolerance Unless Noted
Inch
.0
.00
± .1
± .01 ± .005
.000
[ ] Dimensions for
Reference only
Strain Relief
(Order Separately)
3448-X0XX
Strain Relief:
00 = No Strain Relief
XX = “Contact Quantity”
for Plastic
Strain Relief
(i.e. 50 for a 50
Position Strain Relief)
Inch
Keying Plug
(Order Separately)
3435-0
XX = ‘‘Contact Quantity’’
See Table
(i.e. 50 for
a 50 Position
Strain Relief)
See TS-0720
Pull Tabs
(Order Separately)
3490-X
TS-0718-04
Sheet 2 of 2
3M Interconnect Solutions Division
6801 River Place Blvd.
Austin, TX 78726-9000
For technical, sales or ordering information call
800-225-5373