MTA, CST-100 II, SL-156 and
AMP Economy Power (EP) Connectors
MTA-156 Shrouded Headers—Straight and Right-Angle
Straight Post (.045 [1.14] Square or Round)
Right-Angle (.045 [1.14] Square)
Material and Finish
Housing —UL94V-0 rated, polyester,
black
.300
[7.62]
Ref.
.455
[11.56]
.045
[1.14]
.210
[5.33]
.455
[11.56]
Posts—Copper alloy, tin plated; or
.000030 [0.00076] or .000015
[0.00038] gold over nickel
.525
[13.34]
Ref.
Notes:
Polarized
Retention Peg
A
1. Post(s) can be omitted for keying pur-
poses. Specify the desired post(s) to
be omitted using the figure to identify
Post No. 1.
.002
0.05
]
.300
[7.62]
.205
Post [5.21
No. 1
.210
[5.33]
.045
[1.14]
Post
No. 1
.156
[3.96]
Typ.
2. Gold headers are duplex plated, gold
on mating end of post and tin on the
solder tail.
3. Peg holes are not required in PC boards
when headers without pegs are used.
4. One peg only on a 2 position header,
other position sizes have two pegs.
5. Right-angle front and rear bend headers
with retention pegs can be made avail-
able upon request. Minimums may apply.
.010
0.25
.125
[3.18
]
Front Bend
.525
[13.34]
.550
[13.97]
.300
.455
[11.56]
[7.62]
Ref.
.045
[1.14]
.210
[5.33]
.125
[3.18]
.156
[3.96]
.100
[2.54]
.167
[4.24]
.125
[3.18]
.525
[13.34]
Ref.
.205
[5.21]
For mateability options, see
matrix on pages 34, 35, 54
and 58.
For mating half visuals, see
pages 36 thru 39 and 55.
PC Board Hole Diameters
Square Post
Round Post
.156
[3.96]
Post
No. 1
.125
[3.18]
Typ.
.069/.065
[1.75/1.65]
.054/.050
[1.37/1.27]
Header Ordering Information
The “Base Part Numbers”
Chart at right shows the base
part number and number of
posts available for the
Rear Bend
Note: Consult Product Drawing for details
on placing headers onto PC boards.
.069/.065
[1.75/1.65]
Dia.
.239
[6.07]
.167
[4.24]
.066/062
[1.68/1.58]
Dia.
.066/062
[1.68/1.58]
Dia.
described headers.
.350/.700
[8.89/17.78]
.245
[6.22]
Min.
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, square
posts and with pegs would be:
Base number 647127 plus
prefix-and-suffix
.078
[1.98]
.078
[1.98]
Edge of Board
Edge of Board
.156
[3.96]
.156
[3.96]
Recommended Mounting Hole Pattern for .062 [1.57] Thick
PC Board Using a Straight Post Header
Recommended Mounting Hole Pattern for .062 [1.57] Thick
PC Board Using a Right-Angle Header
Base Part Numbers
4- — -0
Straight Square Posts
Straight Round Posts
The correct ordering number is
Without Pegs
With Pegs
Without Pegs
With Pegs
4-647127-0
Header
Part Nos.
RoHS
Equiv.
Header
Part Nos.
RoHS
Equiv.
Header
RoHS
Equiv.
Header
RoHS
Equiv.
Part Nos.
647124
647132
647140
Part Nos.
647128
647136
647144
RoHS
No. of
Pos.
Dim.
A
Prefix/
Suffix
Standard UL94V-0, Tin Plated
647123 22–32
647127
22–32
22–32
22–32
22–32
22–32
22–32
22–32
22–32
22–32
.406
2
3
2--2
2--3
2--4
2--5
2--6
2--7
2--8
2--9
3--0
3--1
3--2
10.31
Standard UL94V-0, .000030 [0.00076] Gold Plated
647131 22–32 647135
Standard UL94V-0, .000015 [0.00038] Gold Plated
647139 22–32 647143
.562
14.27
.718
4
18.24
.874
5
22.20
Square Posts
1.030
Right-Angle Posts, Front Bend
Without Pegs
Right-Angle Posts, Rear Bend
Without Pegs
Header
6
26.16
1.186
7
Header
Part Nos.
RoHS
Equiv.
RoHS
30.12
Part Nos.
647126
647134
647142
Equiv.
22–32
22–32
22–32
1.342
8
34.09
Standard UL94V-0, Tin Plated
1.498
9
647125
22–32
38.05
1.654
Standard UL94V-0, .000030 [0.00076] Gold Plated
647133 22–32
Standard UL94V-0, .000015 [0.00038] Gold Plated
647141 22–32
10
11
12
42.01
1.810
45.97
1.966
49.94
Note: Select load headers (omitted pin headers) are available upon request. Please contact product engineer or prod-
uct manager for details.
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.
53
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 ]
