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3-644043-4 Datasheet, PDF (16/84 Pages) Tyco Electronics – MTA, CST-100 II, SL-156 and AMP Economy Power
Covers
Material (RoHS Compliant)
Strain Relief Cover — UL94V-2
rated, nylon, white
Dust Covers — UL94V-0 rated,
polyester, white
MTA, CST-100 II, SL-156 and
AMP Economy Power (EP) Connectors
MTA-100 IDC Connector Accessories
Closed End Strain Relief Covers
.127
[3.23]
.345
[8.76]
Closed End Dust Covers
Retention Dimple
A
.340
[8.64]
A
.335
[8.51]
.360
[9.14]
.130
[3.3]
.105
[2.67]
Note: This portion of the front locking bar
may or may not be present.
Cover Ordering Information
The “Base Part Numbers”
Chart at right shows the
base part number and
number of circuits available
for the described cover.
Prefixes and suffixes are
determined by the number
of circuit positions in the
cover. For example, the
complete part number for
a 10-position closed end
strain relief cover would be:
Base number 643075 plus
prefix-and-suffix
1- — -0
The correct ordering num-
ber is
1-643075-0
Feed-Thru Strain Relief Covers
.127
[3.23]
.360
[9.14]
A
Feed-Thru Dust Covers
Retention Dimple
.395
[10.03]
A
Note: This portion of the front locking bar
may or may not be present.
.245
[6.22]
.130
[3.3]
Base Part Numbers
Closed End
Strain Relief
Covers
Dust
Covers
Cover
No. of
Part Nos. Circuits
Cover
Part Nos.
No. of
Circuits
643075
2–28
640550
2–28
Feed-Thru
Strain Relief
Covers
Dust
Covers
Cover
No. of
Part Nos. Circuits
Cover
No. of
Part Nos. Circuits
643077 2–28
640642 3-28
Cover Length
No. of
Circuits
2
3
4
5
6
7
8
Dim.
A
.200
5.08
.300
7.62
.400
10.16
.500
12.7
.600
15.24
.700
17.78
.800
20.32
Prefix/
Suffix
-2
-3
-4
-5
-6
-7
-8
No. of
Circuits
9
10
11
12
13
14
15
Dim.
A
.900
22.86
1.00
25.4
1.100
27.94
1.200
30.48
1.300
33.02
1.400
35.56
1.500
38.1
Prefix/
Suffix
-9
1- -0
1- -1
1- -2
1- -3
1- -4
1- -5
No. of
Circuits
16
17
18
19
20
21
22
Dim.
A
1.600
40.64
1.700
43.18
1.800
45.72
1.900
48.26
2.000
50.8
2.100
53.34
2.200
55.88
Prefix/
Suffix
1- -6
1- -7
1- -8
1- -9
2- -0
2- -1
2- -2
16
Catalog 82056
Revised 6-08
www.tycoelectronics.com
Dimensions are in inches and
millimeters unless otherwise
specified. Values in brackets
are metric equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 52-55-1106-0800
C. America: 57-1-254-4444
No. of
Circuits
23
24
25
26
27
28
Dim.
A
2.300
58.42
2.400
60.96
2.500
63.5
2.600
66.04
2.700
68.58
2.800
71.12
Prefix/
Suffix
2- -3
2- -4
2- -5
2- -6
2- -7
2- -8
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-208-420-8341