1
DIMENSIONS
ARE
IN
MILLIMETERS.
2
3M
TM
RIBBON
TWINAX
DESCRIPTION:
30
AWG,
SILVER
PLATED
SIGNAL
WIRE
IMPEDANCE:
85
5
OHM
OVERALL
RIBBON
WIDTH:
24.90
MM
OVERALL
RIBBON
THICKNESS:
0.75
MM
3
ROHS
COMPLIANT.
SEE
REGULATORY
INFORMATION
APPENDIX
IN
"ROHS
COMPLIANCE"
SECTION
AT
WWW.3MCONNECTORS.COM
(E1
&
C1
APPLY)
4
THIS
CABLE
CONSTRUCTION
HAS
A
THIN
ALUMINUM
INNER
LAYER
EXPOSED
AT
EACH
EDGE.
USERS
SHOULD
ASSESS
WHETHER
THE
EXPOSED
EDGE
PRESENTS
A
SHORTING
RISK
IN
THEIR
SPECIFIC
APPLICATION.
INSULATING
TAPE
MAY
BE
APPLIED
AT
THE
CABLE
ASSEMBLY
LEVEL,
AS
NEEDED,
TO
COVER
THE
EXPOSED
EDGE
IN
RISK
AREAS.
5
APPLICABLE
SPECIFICATIONS:
PRODUCT
SPECIFICATION
NUMBER:
6
ORDER
BY
APPLICABLE
3M
PART
NUMBER:
8KC3-0726-XXXX
XXXX
=
DIM
'A'
IN
MILLIMETERS
(1000
=
1
METER)
STANDARD
LENGTH
(DIM
'A')
8KC3-0726-0250
(250
MM)
8KC3-0726-0500
(500
MM)
NON-STANDARD
LENGTHS
AVAILABLE
UPON
SPECIAL
REQUEST.
MAY
REQUIRE
HIGHER
MOQS
AND
LONGER
LEAD
TIMES.
150
MM
MINIMUM
LENGTH.
7
FLAMMABILITY
RATING:
TWIN
AX
CABLE:
UL94
HB
PCBS:
UL94V-0
ADHESIVE
STRAIN
RELIEF:
UL94
HB,
(TBV)
8
PADDLECARD
FINGER
GOLD
THICKNESS:
0.76
m
[30
"]
MIN
ELECTROLYTIC
HARD
GOLD OVER
1.27
m
[50
"]
MIN
ELECTROLYTIC
NICKEL.
5.5 4.5
108.0
117.0
26.1
DIM
A
SEE
NOTE
6
+5
-0
15.5
9.0
93.1
8.8
2X
1.57
3M
TM
TWIN
AXIAL
CABLE
ASSEMBLY
FOR
PCIe
X16
EXTENDER
CARD
APPLICATIONS
2X
CABLE
PART
NO:
3749-20
4X
CABLE
PART
NO:
SL8802/22-18DN5-00
2X
3.5
ADHESIVE
ENCAPSULANT
APPLIED
TO
CABLE
ENDS
ADHESIVE
ENCAPSULANT
APPLIED
TO
CABLE
ENDS
NOTES
PART
LABEL
(WRAP
AROUND)
3M
PART
NUMBER:
DATE
CODE:
XXYY
XX
=
YEAR
YY
=
WEEK
BILL
OF
MATERIALS
ITEM
DESCRIPTION
QTY
1.0
PBA
PCB
ASSY,
PCIE
X16
(164
POS)
STRADDLEMOUNT
1
1.1
PCB
PCIE
X16
(164
POS)
STRADDLEMOUNT
3M
P/N:
78-9101-6805-9
1
1.2
CONN
CONNECTOR,
PCIE
164
POSITION,
FEMALE
SOCKET
1
2.0
PCB
PCIE
X16
EXTENDER
(164
POS)
CARD-EDGE
3M
P/N:
78-9101-6804-2
1
3.0
CABLE
RIBBON
TWIN
AX
CABLE
3M
P/N:
SL8802/22-18DN5-00
4
4.0
CABLE
RIBBON
CABLE,
20
POSITION
3M
P/N:
3749-20
2
5.0
STRAIN
RELIEF
ADHESIVE
AS
REQUIRED
PIN
A1
PIN
A82
38
SIDE
B
SIDE
A
PIN
B1
PIN
B82
PIN
B1
PIN
B82
PIN
A82
PIN
A1
PCIE
X16
EXTNEDER
(164
POS)
CARD-EDGE
PCB
ASSY,
PCIE
X16
(164
POS)
STRADDLEMOUNT
12345678
87654321
A
B
C
D D
C
B
A
OF
SHT
MODEL
SIZE
DET.
LISTS
CAGE
NUMBER
DRAWING
NO.
REV.
TITLE
3M
COPYRIGHT
C
3M
Center
St.
Paul,
MN
55144
CHKD
DATE
APPVL
DATE
DRFT
DATE
MFG
DATE
CHKD
DRFT
REV
ECO
ISSUE
DATE
AND
DESCRIPTION
DRAWING
NUMBER
REVISION
DISTRIBUTION
CODES
DESIGN
REFERENCE
NEXT
ASSEMBLY
DIVISION DIVISION
CODE
TOLERANCES
EXCEPT
AS
NOTED
DO
NOT
SCALE
DRAWING
SCALE
MILLIMETERS
INCHES
.0000
.000
.00
.0
0
.0
.00
.000
ANGLES
THIRD
ANGLE
PROJECTION
INTERPRET
PER
ASME
Y14.5
-
1994
MAX
SURFACE
ROUGHNESS
ALL
SURFACES
MARKED
ONLY
NO
YES
This
document
and
the
information
it
contains
are
3M
property
and
may
not
be
reproduced
or
further
distributed
without
3M
permission,
or
used
or
disclosed
other
than
for
3M
authorized
purposes.
All
rights
reserved.
.005
.05
.5
1
8KC3-0726-XXXX,
CABLE
ASSY,
PCIE
X16
BY
PCIE
X16
EXTENDER
125 21
78-5100-2520-4
1
1
B
B
78-5100-2520-4
L
SCHMIDT
APR
09,2012
2012
1
INITIAL
RELEASE
A
40693
JUN
18,2012
LDS
TS
REVISED
NOTE
6
B
42467
AUG
06,2012
LDS
TS
PCI-Express
X16
Pin-Out
Pin
#
Side
B
Description
Side
A
Description
Pin
#
B01
+12
volt
power
Hot
plug
presence
detect
A01
B02
+12
volt
power
+12
volt
power
A02
B03
+12
volt
power
+12
volt
power
A03
B04
Ground Ground
A04
B05
SMBus
clock
TCK
A05
B06
SMBus
data
TDI
A06
B07
Ground
TDO
A07
B08
+3.3
volt
power
TMS
A08
B09
+TRST#
+3.3
volt
power
A09
B10
3.3v
volt
power
+3.3
volt
power
A10
B11
Link
Reactivation
Power
Good
A11
Mechanical
Key
B12
Reserved
Ground
A12
B13
Ground
Reference
Clock
A13
B14
Transmitter
Lane
0,
Differential
pair
A14
B15
Differential
pair
Ground
A15
B16
Ground
Receiver
Lane
0,
A16
B17
Hotplug
detect
Differential
pair
A17
B18
Ground Ground
A18
B19
Transmitter
Lane
1,
Reserved
A19
B20
Differential
pair
Ground
A20
B21
Ground
Receiver
Lane
1,
A21
B22
Ground
Differential
pair
A22
B23
Transmitter
Lane
2,
Ground
A23
B24
Differential
pair
Ground
A24
B25
Ground
Receiver
Lane
2,
A25
B26
Ground
Differential
pair
A26
B27
Transmitter
Lane
3,
Ground
A27
B28
Differential
pair
Ground
A28
B29
Ground
Receiver
Lane
3,
A29
B30
Reserved
Differential
pair
A30
B31
Hot
plug
detect
Ground
A31
B32
Ground
Reserved
A32
B33
Transmitter
Lane
4,
Reserved
A33
B34
Differential
pair
Ground
A34
B35
Ground
Receiver
Lane
4,
A35
B36
Ground
Differential
pair
A36
B37
Transmitter
Lane
5,
Ground
A37
B38
Differential
pair
Ground
A38
B39
Ground
Receiver
Lane
5,
A39
B40
Ground
Differential
pair
A40
B41
Transmitter
Lane
6,
Ground
A41
B42
Differential
pair
Ground
A42
B43
Ground
Receiver
Lane
6,
A43
B44
Ground
Differential
pair
A44
B45
Transmitter
Lane
7,
Ground
A45
B46
Differential
pair
Ground
A46
B47
Ground
Receiver
Lane
7,
A47
B48
Hot
plug
detect
Differential
pair
A48
B49
Ground Ground
A49
B50
Transmitter
Lane
8,
Reserved
A50
B51
Differential
pair
Ground
A51
B52
Ground
Receiver
Lane
8,
A52
B53
Ground
Differential
pair
A53
B54
Transmitter
Lane
9,
Ground
A54
B55
Differential
pair
Ground
A55
B56
Ground
Receiver
Lane
9,
A56
B57
Ground
Differential
pair
A57
B58
Transmitter
Lane
10,
Ground
A58
B59
Differential
pair
Ground
A59
B60
Ground
Receiver
Lane
10,
A60
B61
Ground
Differential
pair
A61
B62
Transmitter
Lane
11,
Ground
A62
B63
Differential
pair
Ground
A63
B64
Ground
Receiver
Lane
11,
A64
B65
Ground
Differential
pair
A65
B66
Transmitter
Lane
12,
Ground
A66
B67
Differential
pair
Ground
A67
B68
Ground
Receiver
Lane
12,
A68
B69
Ground
Differential
pair
A69
B70
Transmitter
Lane
13,
Ground
A70
B71
Differential
pair
Ground
A71
B72
Ground
Receiver
Lane
13,
A72
B73
Ground
Differential
pair
A73
B74
Transmitter
Lane
14,
Ground
A74
B75
Differential
pair
Ground
A75
B76
Ground
Receiver
Lane
14,
A76
B77
Ground
Differential
pair
A77
B78
Transmitter
Lane
15,
Ground
A78
B79
Differential
pair
Ground
A79
B80
Ground
Receiver
Lane
15,
A80
B81
Hot
plug
present
detect
Differential
pair
A81
B82
Hot
Plug
Detect
Ground
A82
3M
3749-20
Cable
Wire
#
Pin
Attachment
#
01
Ground
Layer
02
B01
-
B02
03
B01
-
B02
04
B01
-
B02
05
B01
-
B02
06
B01
-
B02
07
B01
-
B02
08
Ground
Layer
09
B05
10
B06
11
Ground
Layer
12
B08
13
B08
14
B09
15
B10
16
B10
17
Ground
Layer
18
B11
19
Ground
Layer
20
B12
3M
SL8802
Cable
Wire
#
Pin
Attachment
GND
Ground
Layer
pr_01
B14
pr_01
B15
pr_02
B17
pr_02
Ground
Layer
pr_03
B19
pr_03
B20
pr_04
B23
pr_04
B24
GND
Ground
Layer
pr_05
B27
pr_05
B28
pr_06
B30
pr_06
B31
pr_07
B33
pr_07
B34
GND
Ground
Layer
pr_08
B37
pr_08
B38
pr_09
B41
pr_09
B42
pr_10
B45
pr_10
B46
pr_11
B48
pr_11
Ground
Layer
GND
Ground
Layer
3M
SL8802
Cable
Wire
#
Pin
Attachment
#
GND
Ground
Layer
pr_01
B50
pr_01
B51
pr_02
Ground
Layer
pr_02
Ground
Layer
pr_03
B54
pr_03
B55
pr_04
B58
pr_04
B59
GND
Ground
Layer
pr_05
B62
pr_05
B63
pr_06
B66
pr_06
B67
pr_07
B70
pr_07
B71
GND
Ground
Layer
pr_08
B74
pr_08
B75
pr_09
Ground
Layer
pr_09
Ground
Layer
pr_10
B78
pr_10
B79
pr_11
B81
pr_11
B82
GND
Ground
Layer
3M
3749-20
Cable
Pin
Attachment
#
Wire
#
Ground
Layer
01
A01
02
Ground
Layer
03
A02
-
A03
04
A02
-
A03
05
A02
-
A03
06
A02
-
A03
07
Ground
Layer
08
A05
09
A06
10
A07
11
A08
12
Ground
Layer
13
A09
-
A10
14
A09
-
A10
15
A09
-
A10
16
A09
-
A10
17
Ground
Layer
18
Ground
Layer
19
A11
20
3M
SL8802
Cable
Pin
Attachment
#
Wire
#
Ground
Layer
GND
A13
pr_01
A14
pr_01
A16
pr_02
A17
pr_02
Ground
Layer
pr_03
A19
pr_03
A21
pr_04
A22
pr_04
Ground
Layer
GND
A25
pr_05
A26
pr_05
A29
pr_06
A30
pr_06
A32
pr_07
A33
pr_07
Ground
Layer
GND
A35
pr_08
A36
pr_08
A39
pr_09
A40
pr_09
A43
pr_10
A44
pr_10
A47
pr_11
A48
pr_11
Ground
Layer
GND
3M
SL8802
Cable
Pin
Attachment
#
Wire
#
Ground
Layer
GND
A33
pr_01
Ground
Layer
pr_01
A52
pr_02
A53
pr_02
Ground
Layer
pr_03
Ground
Layer
pr_03
A56
pr_04
A57
pr_04
Ground
Layer
GND
A60
pr_05
A61
pr_05
A64
pr_06
A65
pr_06
A68
pr_07
A69
pr_07
Ground
Layer
GND
A72
pr_08
A73
pr_08
A76
pr_09
A77
pr_09
Ground
Layer
pr_10
Ground
Layer
pr_10
A80
pr_11
A81
pr_11
Ground
Layer
GND
12345678
87654321
A
B
C
D D
C
B
A
OF
SHT
MODEL
SIZE
DET.
LISTS
CAGE
NUMBER
DRAWING
NO.
REV.
TITLE
3M
COPYRIGHT
C
3M
Center
St.
Paul,
MN
55144
CHKD
DATE
APPVL
DATE
DRFT
DATE
MFG
DATE
CHKD
DRFT
REV
ECO
ISSUE
DATE
AND
DESCRIPTION
DRAWING
NUMBER
REVISION
DISTRIBUTION
CODES
DESIGN
REFERENCE
NEXT
ASSEMBLY
DIVISION DIVISION
CODE
TOLERANCES
EXCEPT
AS
NOTED
DO
NOT
SCALE
DRAWING
SCALE
MILLIMETERS
INCHES
.0000
.000
.00
.0
0
.0
.00
.000
ANGLES
THIRD
ANGLE
PROJECTION
INTERPRET
PER
ASME
Y14.5
-
1994
MAX
SURFACE
ROUGHNESS
ALL
SURFACES
MARKED
ONLY
NO
YES
This
document
and
the
information
it
contains
are
3M
property
and
may
not
be
reproduced
or
further
distributed
without
3M
permission,
or
used
or
disclosed
other
than
for
3M
authorized
purposes.
All
rights
reserved.
.005
.05
.5
1
8KC3-0726-XXXX,
CABLE
ASSY,
PCIE
X16
BY
PCIE
X16
EXTENDER
125 22
78-5100-2520-4
1
1
B
B
78-5100-2520-4
L
SCHMIDT
APR
09,2012
2012
1
INITIAL
RELEASE
A
40693
JUN
18,2012
LDS
TS
REVISED
NOTE
6
B
42467
AUG
06,2012
LDS
TS
