3-641214-8 datasheet(50/84 Pages) MACOM

Part #	3-641214-8

Description	Table of Contents

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Manufacturer	MACOM [Tyco Electronics]

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50

Recommended Mounting Hole Pattern

for .062 [1.57] Thk. PC Board

.210

[5.33]

A

.125

[3.18]

.156

[3.96]

.076

[1.93]

.045

[1.14]

.425

[10.80]

.100

[2.54]

.125

[3.18]

.450

[11.43]

.545

[13.84]

.073

[1.85]

.156

[3.96]

.066/.062

[1.68/1.57]

Edge of Board

Dia.

.167

[4.24]

.225

[5.72]

Min.

.078

[1.98]

90

° Ref.

Typ.

Retention Tabs

4 Plc.

Post No. 1

Polarized

Retention Peg

Typ.

Peg Hole

Polarized

Retention Peg

Material and Finish

Housing — UL94V-0 rated, polyester,

white

Posts — Copper alloy, tin plated or

.000030 [0.00076] gold over nickel

Notes:

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.

2. Peg holes are not required in

PC Boards when headers without pegs

are used.

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].

For mateability options, see

matrix on pages 34, 35, 54

and 58.

For mating half visuals, use

connectors with a locking ramp

for polarization/retention pur-

poses, 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.

Header Ordering

Information

The “Base Part Numbers”

Chart at right shows the base

part number and number of

posts available for the

described headers.

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 square posts with

pegs would be:

Base number 644615 plus

prefix-and-suffix

4- — -0

The correct ordering number is

4-644615-0

The part numbers in bold

face are the RoHS equivalent

version. Example:

No. of

Lead Free

Pos.

RoHS

Prefix/Suffix

2

3-644615–2

thru

18

4-644615-8

See page 15 for an explanation of

RoHS lead free equivalents.

PC Board Hole Diameters

Square

Round

Post

.069/.065

.054/.050

[1.75/1.65]

[1.37/1.27]

Note: Consult Product Drawing

for details on placing headers

onto PC boards.

Base Part Numbers

Square Posts

Round Posts

Without Pegs

With Pegs

Without Pegs

With Pegs

Header

RoHS

Header

RoHS

Header

RoHS

Header

RoHS

Part Nos.

Equiv.

Part Nos.

Equiv.

Part Nos.

Equiv.

Part Nos.

Equiv.

Standard UL94V-0, Tin Plated

644611

32–48

644615

32–48

644612

32–48

644616

32–48

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

644627

32–48

644631

32–48

644628

32–48

644632

32–48

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.

Note:

Select load headers (omitted pin

headers) are available upon request.

Please contact product engineer or

product manager for details.

MTA-156 Polarized Lock Headers—Straight

MTA, CST-100 II, SL-156 and

AMP Economy Power (EP) Connectors

Catalog 82056

Dimensions are in inches and

Dimensions are shown for

USA: 1-800-522-6752

South America: 55-11-2103-6000

Revised 6-08

millimeters unless otherwise

reference purposes only.

Canada: 1-905-470-4425

Hong Kong: 852-2735-1628

specified. Values in brackets

Specifications subject

Mexico: 52-55-1106-0800

Japan: 81-44-844-8013

www.tycoelectronics.com

are metric equivalents.

to change.

C. America: 57-1-254-4444

UK: 44-208-420-8341

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