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The product information in this catalog is for reference only. Please request the Engineering Drawing for the most current and accurate design information.
IT1 Series q High Speed, Matched-Impedance, Parallel Board-to-board Connector System
s Transmission Module - 168 Contacts
b row
a row
(4.2)
57±0.5
55±0.3
Mating side
168
A
1
1
19
Board Mounting side
Locking Protrusion
(2 Sides)
56±0.3
Part Number
IT1-168P/28-19H
IT1-168P/28-30H
CL No.
641-0192-8
641-0303-7
Board-to-board Distance
19mm
30mm
A
1 8.4
13.9
B
1 8.4
13.9
C
1 6.6
17.6
RoHS
YES
s Connection Table
The connection table indicates contact numbers in the mated condition,as illustrated in Fig. 1.
a row
b row
α - β
a 0 1 - a84
α - β
a44 - a41
α - β
b 0 1 - b84
α - β
b44 - b41
Signal
a 0 2 - a83
a 0 3 - a82 Signal
a 0 4 - a81
a 0 5 - a80
? ?
? ?
? ?
? ?
? ?
a53 - a32
Signal
b 0 2 - b83
b 0 3 - b82 Signal
b 0 4 - b81
b 0 5 - b80
? ?
? ?
? ?
? ?
? ?
b53 - b32
Ground
a 0 6 - a79
a 0 7 - a78
Ground
a54 - a31
a55 - a30
Ground
b 0 6 - b79
b 0 7 - b78
Ground
b54 - b31
b55 - b30
Fig. 1
a 0 8 - a77
a56 - a29
b 0 8 - b77
b56 - b29
Signal
? ?
? ?
? ?
? ?
? ?
Signal
? ?
? ?
? ?
? ?
? ?
Signal
? ?
? ?
? ?
? ?
? ?
Signal
? ?
? ?
? ?
? ?
? ?
a17 - a68
a65 - a20
b17 - b68
b65 - b20
Ground
a18 - a67
a19 - a66
Ground
a66 - a19
a67 - a18
Ground
b18 - b67
b19 - b66
Ground
b66 - b19
b67 - b18
a20 - a65
a68 - a17
b20 - b65
b68 - b17
Signal
? ?
? ?
? ?
? ?
? ?
Signal
? ?
? ?
? ?
? ?
? ?
Signal
? ?
? ?
? ?
? ?
? ?
Signal
? ?
? ?
? ?
? ?
? ?
a29 - a56
a77 - a 0 8
b29 - b56
b77 - b 0 8
Ground
a30 - a55
a31 - a54
Ground
a78 - a 0 7
a79 - a 0 6
Ground
b30 - b55
b31 - b54
Ground
b78 - b 0 7
b79 - b 0 6
a32 - a53
a80 - a 0 5
b32 - b53
b80 - b 0 5
Signal
? ?
? ?
? ?
? ?
? ?
Signal
a81 - a 0 4
a82 - a 0 3
a83 - a 0 2
Signal
? ?
? ?
? ?
? ?
? ?
Signal
b81 - b 0 4
b82 - b 0 3
b83 - b 0 2
a41 - a44
a84 - a 0 1
b41 - b44
b84 - b 0 1
Ground
a42 - a43
a43 - a42
Ground
b42 - b43
b43 - b42
A298
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