MTA, CST-100 II, SL-156 and
AMP Economy Power (EP) Connectors
CST-100 II Shrouded Headers—Straight and Right-Angle
Material and Finish
Straight Post (.025 [0.64] Square)
Right-Angle (.025 [0.64] Square)
Housing —UL94V-0 rated, polyester,
black
Posts—Copper alloy, tin plated; or
.000030 [0.00076] gold over nickel
Post No. 1
Post No. 1
Notes:
A
1. Post(s) can be omitted for keying
purposes. Specify the desired
post(s) to be omitted using the
figure to identify Post No. 1.
2. Headers with .000015 [0.00038]
gold plated posts are available
upon request. Minimums may
apply.
A
.313
[7.95]
.313
[7.95]
3. Gold headers are duplex plated,
gold on mating end of post and
tin on the solder tail.
.280
[7.11]
.280
[7.11]
.410
[10.41]
.036
[0.91]
Max.
.520
[13.21]
For mateability options, see
matrix on pages 12 and 13.
For mating half visuals, see
page 31.
.140
[3.56]
.025
[0.64]
Typ.
.025
[0.64]
Typ.
.140
[3.56]
.125
[3.18]
.092
[2.34]
Typ.
.092
[2.34]
Ref.
.100
[2.54]
.100
[2.54]
.107
[2.72]
Ref.
.107
[2.72]
Ref.
.176
[4.47]
Ref.
.176
[4.47]
Ref.
Header Ordering
Information
The “Base Part Numbers”
Chart at right shows the base
part number and number of
posts available for the
Note: Consult Product Drawing for details
Polarized
Retention Peg
on placing headers onto PC boards.
.125
[3.18]
Min.
described headers.
.042
[1.07]
.450
[11.43]
Max.
Edge of Board
Prefixes and suffixes are deter-
mined by the number of post
positions in the header. For
example, the complete part
number for a 10-position
header with straight posts and
with pegs would be:
Edge of Board
.124
[3.15]
.100
[2.54]
Typ.
.050/.040
[1.27/1.02]
Dia.
.050/.040
.100
[2.54]
Typ.
Dia.
.081/.075
[2.06/1.91]
[1.27/1.02]
Dia.
Base number 644893 plus
prefix-and-suffix
4- — -0
Recommended Mounting Hole Pattern for
.062 [1.57] Thk. PC Board
Recommended Mounting Hole Pattern for .062
[1.57] Thk. PC Board
(Solder Side of Board Shown)
(Solder Side of Board Shown)
The correct ordering number is
4-644893-0
Base Part Numbers
All part numbers are the RoHS
equivalent version. Example:
Straight Posts
Right-Angle Posts
Without Pegs Only
Lead Free
With
Pegs
Without
Pegs
No. of
Pos.
RoHS
Prefix/Suffix
No. of
Header
No. of
No. of
Posts/
Posts/
Header
Part Nos.
Header
Part Nos.
2
3-644893-2
thru
Part Nos.
Posts/
RoHS Equiv.
RoHS Equiv.
RoHS Equiv.
14
4-644893-4
Standard UL94V-0, Tin Plated
644893 32-44
644892
32-44
644894
644898
32-44
32-44
See page 15 for an explanation of
RoHS lead free equivalents.
Standard UL94V-0, .000030 [0.00076] Gold Plated
Note: All RoHS equivalent part num-
bers may not be available upon cat-
alog release. If the number you
need is not available, please contact
Product Engineering to expedite
your request.
644897
32-44
644896
32-44
Header Length
No. of
Dim.
Prefix/
Suffix
No. of
Dim.
A
.584
14.83
Prefix/
Suffix
No. of
Dim.
A
.884
22.45
Prefix/
Suffix
Note:
Circuits
A
Circuits
Circuits
CST-100 II shrouded headers only
mate with CST-100 II housings. All
the MTA-100 headers except the
MTA-100 shrouded headers mate
with CST-100 II housings.
.284
7.21
2
3
4
3- -2
3- -3
3- -4
5
3- -5
3- -6
3- -7
8
9
3- -8
3- -9
4- -0
.384
9.75
.684
17.37
.984
24.99
6
7
.484
12.29
.784
19.91
1.084
27.53
10
32
Catalog 82056
Revised 6-08
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
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
Canada: 1-905-470-4425
Mexico: 52-55-1106-0800
C. America: 57-1-254-4444
www.tycoelectronics.com
UK: 44-208-420-8341
MACOM [ Tyco Electronics ]
