MTA, CST-100 II, SL-156 and
AMP Economy Power (EP) Connectors
MTA-156 Polarized Lock Headers—Right-Angle
Material and Finish
Housing —UL94V-0 rated, polyester,
90° Ref.
Typ.
white
Retention Tabs
4 Plc.
Posts—Copper alloy, tin plated or
.000030 [0.00076] gold over nickel
Notes:
Polarized
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. Peg holes are not required in PC
Boards when headers without
pegs are used.
Retention Peg
A
.100
[2.54]
.073
[1.85]
Typ.
.210
[5.33]
Typ.
Ref.
.156
[3.96]
Typ.
.076
[1.93]
Typ.
.045
[1.14]
Sq.
3. One peg only on a 2 position
header, other position sizes have
two pegs.
4. Headers with .00015 [0.00038]
gold plated post are available
upon request. Minimums may
apply.
5. To determine header overall
length (Dim. A), multiply .156 x
the number of posts. Example:
.156 x 10 posts equals 1.560
inches [39.62 mm].
Post No. 1
.450
[11.43]
.545
[13.84]
.125
[3.18]
.200
[5.08]
Typ.
.205
[5.21]
Typ.
.125
[3.18]
.125
[3.18]
.425
[10.80]
For mateability options, see
matrix on pages 34, 35, 54
and 58.
For mating half visuals, use
only connectors with a locking
ramp for polarization/retention
purposes, see pages 36 thru
39, 55, 60 and 62.
For polarizing purposes only
use connectors without a lock-
ing ramp. See pages 36 thru
39, 60 and 62.
Front Bend
Rear Bend
Front Bend
Rear Bend
Reg. Hole
.066/.062 Dia.
[1.68/1.57]
X = .350 [8.89] Min., .825 [20.96]
Max., when mated with
X = .500 [12.7] Min., .700 [17.78]
Max., when mated with
MTA Connector.
Edge of Board
MTA Connector.
X = .350 [8.89] Min. when mated
X = .500 [12.7] Min., when
x
with SL-156 Connector.
mated with SL-156
Connector.
.069/.065
[1.75/1.65]
.239
[6.07]
.078
[1.98]
.156
[3.96]
Note: Consult Product Drawing
for details on placing headers
onto PC boards.
Recommended Mounting Hole Pattern
for .062 [1.57] Thk. PC Board
Header Ordering
Information
The “Base Part Numbers”
Chart at right shows the base
part number and number of
posts available for the
Base Part Numbers
Square Posts
With Pegs
Front Bend
Rear Bend
Without Pegs
described headers.
Without Pegs
Header
Part Nos.
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 front bend and
with pegs would be:
Base number 644617 plus
prefix-and-suffix
4- — -0
RoHS
Equiv.
Header
RoHS
Equiv.
Header
RoHS
Equiv.
Part Nos.
644617
644633
Part Nos.
Standard UL94V-0, Tin Plated
644613 32–48
Standard UL94V-0, .000030 [0.00076] Gold Plated
644629 32–48
32–48
32–48
644614
644630
32–48
32–48
The correct ordering number is
4-644617-0
The part numbers in bold
face are the RoHS equivalent
version. Example:
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.
Lead Free
No. of
Pos.
RoHS
Prefix/Suffix
2
3-644617–2
thru
Note:
18
4-644617-8
Select load headers (omitted pin
headers) are available upon request.
Please contact product engineer or
product manager for details.
See page 15 for an explanation of
RoHS lead free equivalents.
51
Catalog 82056
Revised 6-08
Dimensions are in inches and
Dimensions are shown for
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.
reference purposes only.
Specifications subject
to change.
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 ]
