IT1-252S-SV datasheet(5/17 Pages) HIROSE

Part #	IT1-252S-SV

Description	High Speed, Matched-Impedance, Parallel Board-to-board Connector

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Manufacturer	HIROSE [Hirose Electric]

Direct Link	http://www.hirose-connectors.com

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5 / 17 page

A298

IT1 Series

●High Speed, Matched-Impedance, Parallel Board-to-board Connector System

■Transmission Module - 168 Contacts

■Connection Table

19

168

(4.2)

57±0.5

55±0.3

a row

b row

Locking Protrusion

(2 Sides)

56±0.3

Mating side

Board Mounting side

1

A

1

Fig. 1

The connection table indicates contact numbers in the mated condition,as illustrated in Fig. 1.

a row

Signal

Ground

α - β

a01 - a84

a02 - a83

a03 - a82

a04 - a81

a05 - a80

a06 - a79

a07 - a78

a08 - a77

a17 - a68

a18 - a67

a19 - a66

a20 - a65

a29 - a56

a30 - a55

a31 - a54

a32 - a53

a41 - a44

a42 - a43

a43 - a42

ıı

Signal

Ground

α - β

a44 - a41

a53 - a32

a54 - a31

a55 - a30

a56 - a29

a65 - a20

a66 - a19

a67 - a18

a68 - a17

a77 - a08

a78 - a07

a79 - a06

a80 - a05

a81 - a04

a82 - a03

a83 - a02

a84 - a01

ıı

b row

Signal

Ground

α - β

b01 - b84

b02 - b83

b03 - b82

b04 - b81

b05 - b80

b06 - b79

b07 - b78

b08 - b77

b17 - b68

b18 - b67

b19 - b66

b20 - b65

b29 - b56

b30 - b55

b31 - b54

b32 - b53

b41 - b44

b42 - b43

b43 - b42

ıı

Signal

Ground

α - β

b44 - b41

b53 - b32

b54 - b31

b55 - b30

b56 - b29

b65 - b20

b66 - b19

b67 - b18

b68 - b17

b77 - b08

b78 - b07

b79 - b06

b80 - b05

b81 - b04

b82 - b03

b83 - b02

b84 - b01

ıı

Part Number

IT1-168P/28-19H

CL No.

641-0192-8

Board-to-board Distance

19mm

A

18.4

B

18.4

C

RoHS

16.6

YES

IT1-168P/28-30H

641-0303-7

30mm

13.9

17.6

The product information in this catalog is for reference only. Please request the Engineering Drawing for the most current and accurate design information.

All non-RoHS products have been discontinued, or will be discontinued soon. Please check the products status on the Hirose website RoHS search at www.hirose-connectors.com, or contact your Hirose sales representative.

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