MTA, CST-100 II, SL-156 and
AMP Economy Power (EP) Connectors
MTA-100 Narrow Flat Headers—Straight and Right-Angle
Material and Finish
Housing — UL94V-0 rated, polyester,
white
Straight Post (.025 [0.64] Square)
Right-Angle Post (.025 [0.64] Square)
Posts — Copper alloy, tin plated,
.000030 [0.00076] or .000015
[0.00038] gold over nickel
.110
[2.79]
Ref.
Notes:
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 without retentive legs are
suitable for breakaway application.
3. 2 or 3 retentive leg(s) per header,
depending upon number of positions.
4. Gold headers are duplex plated,
gold on mating end of post and
tin on the solder tail.
.0335
[0.85]
Straight and
Right-Angle
Post with
A
.092
[2.34]
A
.092
[2.34]
Retentive Legs
.100
[2.54]
Typ.
.150
[3.81]
.100
[2.54]
Typ.
.260
[6.6]
Post No. 1
5. To determine header overall
length (dim. A) multiply .100 x the
number of posts minus (–) .012.
Example: .100 x 10 posts – .012
Post No. 1
.100
[2.54]
.295
[7.49]
.100
[2.54]
.505
[12.83]
=
.988 inches [25.1 mm].
For mateability options, see
matrix on pages 12 and 13.
For mating half visuals, see
pages 14, 15 and 31.
.044
[1.12]
Typ.
.044
[1.12]
Typ.
.025
[0.64]
Sq.
.025
[0.64]
Sq.
.110
[2.79]
Ref.
.110
[2.79]
Ref.
Connector Ordering
Information
The “Base Part Numbers”
Chart at right shows the base
part number.
.100
[2.54]
Typ.
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
without retentive legs would be:
.100
[2.54]
Typ.
Edge of Board
Edge of Board
.050/.040
[1.27/1.02]
.050/.040
[1.27/1.02]
Dia.
Dia.
For Straight Leg
Headers
For Straight Leg
Headers
.060
[1.52]
Min.
.060
[1.52]
Min.
.002
0.05
.002
0.05
.037
[0.94
.037
[0.94
Dia.
Dia.
]
]
For Retentive Leg
Headers
For Retentive Leg
Headers
Base number 644456 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
The correct ordering number is
4-644456-0
Note: Consult Product Drawing for details
on placing headers onto PC boards.
All part numbers are the RoHS
equivalent version. Example:
Lead Free
No. of
Pos.
RoHS
Prefix/Suffix
Base Part Numbers
2
3-644456-2
thru
Straight Posts
Right-Angle Posts
28
5-644456-8
Without
With
Without
With
Retentive Legs
Retentive Legs
Retentive Legs
Retentive Legs
See page 15 for an explanation of
RoHS lead free equivalents.
Header
Part Nos.
RoHS
Equiv.
Header
Part Nos.
RoHS
Equiv.
Header
RoHS
Equiv.
Header
RoHS
Equiv.
Part Nos.
644457
644885
644889
Part Nos.
644694
644887
644891
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.
Standard UL94V-0, Tin Plated
644456 32–58
644695
32–58
2–28
2–28
32–58
2–28
2–28
32–58
2–28
2–28
Standard UL94V-0, .000030 [0.00076] Gold Plated
644884 2–28 644886
Standard UL94V-0, .000015 [0.00038] Gold Plated
644888 2–28 644890
Note:
Select load headers (omitted pin
headers) are available upon request.
Please contact product engineer or
product manager for details.
High temperature product available. Please contact Sales Engineer or Product Information Center.
22
Catalog 82056
Revised 6-08
Dimensions are in inches and
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
millimeters unless otherwise
specified. Values in brackets
are metric equivalents.
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 ]
