640468 datasheet(39/66 Pages) TEC

39 / 66 page

PAGE 39

MTA, CST-100 II and SL-156 Connectors

MTA-156 Flat Headers—Straight

Material and Finish

Housing—UL94V-0 rated, polyester, white

Posts—Copper alloy, tin plated .000030

[0.00076] or .000015 [0.00038] gold

over nickel

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. Gold headers are duplex plated, gold on mating

end of post and tin on the solder tail.

3. .125 [3.18] solder tail lengths are for .062 [1.57]

thick printed circuit boards and .175 [4.45] solder

tail lengths are for .093-.125 [2.36- 3.18] thick print-

ed circuit boards.

4. To determine header overall length (Dim. A), mul-

tiply .156 x the number of posts. Example: .156 x 10

posts equals 1.560 inches [39.62 mm].

For mateability options, see matrix on

pages 27, 28, and 47.

For mating half visuals, see pages 29 thru

32, 49 and 51.

Header Ordering Information

The “Base Part Numbers” Chart at right

shows the base part number and num-

ber of posts available for the described

headers.

Prefixes and suffixes are determined

by the number of post positions in the

header. For example, the complete part

number for a 10-position header with

square posts and a .125 [3.18] solder tail

length would be:

Base number

640383 plus

prefix-and-suffix

4- — -0

The correct ordering number is

4-640383-0

The part numbers in

bold face are the

RoHS equivalent version. Example:

No. of

Lead Free

Pos.

RoHS

Prefix/Suffix

3-640383-2

thru

5-640383-4

See page 8 for an explanation of RoHS lead free

equivalents.

Note: All RoHS equivalent part numbers may not be

available upon catalog release. If the number you need

is not available, please contact Product Engineering to

expedite your request.

Note:

Select load headers (omitted pin headers) are available

upon request. Please contact product engineer or prod-

uct manager for details.

.250

[6.35]

.045

[1.14]

.156

[3.96]

[1.98]

Typ.

.078

Typ.

.400

[10.16]

.125

[3.18]

Solder Tail

Length

(See Chart)

.156

[3.96]

Edge of Board

.140

[3.56]

Min.

.125

[3.18]

Post No. 1

Ref.

Recommended Mounting Hole Pattern

for .062 [1.57] Thk. PC Board

Base Part Numbers

Square Posts

Round Posts

.125 [3.18]

.175 [4.45]

.125 [3.18]

.175 [4.45]

Solder tail

Standard UL94V-0, Tin Plated

640383

2–24

644749

2–24

640384

2–24

644750

2–24

Standard UL94V-0, .000030 [0.00076] Gold Plated

641202

32–54

644756

32–54

641203

32–54

Standard UL94V-0, .000015 [0.00038] Gold Plated

641113

32–54

644763

32–54

PC Board Hole Diameters

Square

Round

Post

.080/.070

070/.060

[2.03/1.78]

[1.78/1.52]

PC Board Hole Diameters

Square

Round

Post

[2.03/1.78]

[1.78/1.52]

Note: Consult Product Drawing for details

on placing headers onto PC boards.

Header

Part Nos.

RoHS

Equiv.

Header

Part Nos.

RoHS

Equiv.

Header

Part Nos.

RoHS

Equiv.

Header

Part Nos.

RoHS

Equiv.

—

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