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IT1A-168S-SV Schematic ( PDF Datasheet ) - Hirose Electric

Teilenummer IT1A-168S-SV
Beschreibung High Speed/ Matched-Impedance/ Parallel Board-to-board Connector System
Hersteller Hirose Electric
Logo Hirose Electric Logo 




Gesamt 17 Seiten
IT1A-168S-SV Datasheet, Funktion
NEW
High Speed, Matched-Impedance, Parallel Board-to-board Connector System
IT1 Series
Receptacle (2 required)
IT1 Series Outline
High-speed matched-impedance parallel board-to-board
connector designed for applications requiring board-to-
board spacing with transmission speeds exceeding
1GHz. The connection system has matched impedance
of 50 ohm or can be customized. Contacts are on 0.5mm
pitch.
sFeatures
1. Impedance Matching using a 4-Layer Board
The innovative transmission module uses PC boards
with a strip line design of transmission lines, providing
matched impedance of 50 ohms, for standard product.
2. Supports Multiple Connectors per board
Designed with a tolerance of +/- 0.2mm for both the X
and Y-axis. The three-piece structure and the +/- 0.2mm
tolerance allows 3 or more IT1’s to be mounted on a
single board.
3. Customized Board-to-Board Distance
Board-to-board distance can be customized, from 16mm
to 40mm.
Ground lines or additional traces can be added to
support high level, high speed transmission or mixed
power/signal applications.
4. Signal to Ground Ratio
The standard signal-to-ground ratio is 10:2, which makes
reliable matching of the characteristic impedance of each
transmission line. This ratio also can be customized.
5. Contact Reliability
Use of double contact points on each of the contacts
assures highly reliable performance.
Transmission Module
qConnection Cross-Sectional Diagram
Receptacle
2-Point contact
4-Layer board
(Impedance matching)
Transmission Module
2-Point contact
Receptacle
sApplications
Routers, servers, base stations and other
telecommunication equipment.
2004.8
1






IT1A-168S-SV Datasheet, Funktion
sTransmission Module - 252 Contacts
q2-row type
b row
80.5 ±0.5
78.5 ±0.3
a row
(4.2)
Mating side
A
2
1
Board Mounting side
Locking Protrusion
(2 Sides)
79.5 ±0.3
252
23
CL No.
Part Number
Board-to-board Distance
A
B
C
CL641-0231-8
IT1-252P/44-23H
23mm
10.4 10.4 10.6
CL641-0304-0
IT1-252P/44-30H
30mm
13.9 13.9 17.6
sConnection Table
The connection table indicates contact numbers in the mated condition,as illustrated in Fig. 1.
Fig.1
a row
α-β
α-β
α-β
a01 - a126
a44 - a83
a86 - a41
Signal
ı
ı
ı
ı
ı
ıı
ıı
ı Signal ı
ıı
ıı
ıı
ıı
ı Signal ı
ıı
ıı
ı
ı
ı
ı
ı
a05 - a122
a53 - a74
a95 - a32
a06 - a121
a54 - a73
a96 - a31
Ground a07 - a120 Ground a55 - a72 Ground a97 - a30
a08 - a119
a56 - a71
a98 - a29
Signal
ı
ı
ı
ı
ı
ıı
ıı
ı Signal ı
ıı
ıı
ıı
ıı
ı Signal ı
ıı
ıı
ı
ı
ı
ı
ı
a17 - a110
a62 - a65
a107 - a20
a18 - a109
a63 - a64
a108 - a19
Ground
Ground
Ground
a19 - a108
a64 - a63
a109 - a18
a20 - a107
a65 - a62
a110 - a17
Signal
ı
ı
ı
ı
ı
ıı
ıı
ı Signal ı
ıı
ıı
ıı
ıı
ı Signal ı
ıı
ıı
ı
ı
ı
ı
ı
a29 - a98
a71 - a56
a119 - a08
a30 - a97
a72 - a55
a120 - a07
Ground a31 - a96 Ground a73 - a54 Ground a121 - a06
a32 - a95
a74 - a53
a122 - a05
Signal
ı
ı
ı
ı
ı
ıı
ıı
ı Signal ı
ıı
ıı
ıı
ıı
ı Signal ı
ıı
ıı
ı
ı
ı
ı
ı
a41 - a86
a83 - a44
a126 - a01
a42 - a85
a84 - a43
Ground
Ground
a43 - a84
a85 - a42
b row
α-β
α-β
α-β
b01 - b126
b44 - b83
b86 - b41
Signal
ı
ı
ı
ı
ı
ıı
ıı
ı Signal ı
ıı
ıı
ıı
ıı
ı Signal ı
ıı
ıı
ı
ı
ı
ı
ı
b05 - b122
b53 - b74
b95 - b32
b06 - b121
b54 - b73
b96 - b31
Ground b07 - b120 Ground b55 - b72 Ground b97 - b30
b08 - b119
b56 - b71
b98 - b29
Signal
ı
ı
ı
ı
ı
ıı
ıı
ı Signal ı
ıı
ıı
ıı
ıı
ı Signal ı
ıı
ıı
ı
ı
ı
ı
ı
b17 - b110
b62 - b65
b107 - b20
b18 - b109
b63 - b64
b108 - b19
Ground
Ground
Ground
b19 - b108
b64 - b63
b109 - b18
b20 - b107
b65 - b62
b110 - b17
Signal
ı
ı
ı
ı
ı
ıı
ıı
ı Signal ı
ıı
ıı
ıı
ıı
ı Signal ı
ıı
ıı
ı
ı
ı
ı
ı
b29 - b98
b71 - b56
b119 - b08
b30 - b97
b72 - b55
b120 - b07
Ground b31 - b96 Ground b73 - b54 Ground b121 - b06
b32 - b95
b74 - b53
b122 - b05
Signal
ı
ı
ı
ı
ı
ıı
ıı
ı Signal ı
ıı
ıı
ıı
ıı
ı Signal ı
ıı
ıı
ı
ı
ı
ı
ı
b41 - b86
b83 - b44
b126 - b01
b42 - b85
b84 - b43
Ground
Ground
b43 - b84
b85 - b42
6

6 Page









IT1A-168S-SV pdf, datenblatt
3-3 Receptacle Board Placement
¡When using automatic placement equipment, verify the packaging type and the Pick-and-place areas.
¡When placing manually, pay attention to the possibility of positional shift. Ref. Fig. 4.
* When placing multiple connectors, to assure positional accuracy, it is advised to use automatic placement equipment.
SPrecautions for Manual PlacementS
The orientation posts serve as a prevention measure to avoid incorrect placement of the receptacle assemblies on the board.
The contact terminals must be placed correctly over the corresponding solder pad as shown on Fig. 4-1.
Fig. 4-1 = Correct
Fig. 4-2 = Incorrect
3-4 Recommended Reflow Conditions
Fig. 4-3 = Incorrect
12

12 Page





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