Pushing the density envelope to meet next-generation
high-speed application demands, the Impact™ 100 Ohm
Backplane Connector System features data rates up to
and beyond 25 Gbps, superior signal integrity, electrical
performance and modular design
The Impact™ 100 Ohm Backplane Connector System provides data rates up
to and beyond 25 Gbps and superior signal density up to 30 pairs per cm
(80 differential pairs per inch) when using a 6-pair system. The broad-edge-
coupled transmission technology enables low cross-talk noise and high signal
bandwidth while minimizing channel-performance variation across every
differential pair within the system.
Impact XTR connectors provide OEM’s a scalable solution, (managing
speed, density and cost; pay-for-performance model), without requiring
any footprint or mating backplane connector changes from legacy Impact
connectors. Impact power modules are offered in three through six pair sizes
in conventional, coplanar and mezzanine configurations with current ratings
from 60.0 to 120.0A per module.
Designed for traditional backplane and/or midplane architectures, the Impact
100 Ohm Backplane Connector System meets the growing demand for next
generation high-speed applications.
Impact™100 Ohm
Backplane
Connector System
XTR Daughtercard
Receptacles
(Right Angle)
171180
3 Pair
171020
4 Pair
171030
6 Pair
Backplane Headers
(Vertical)
76455
2 Pair
76165
3 Pair
76155
4 Pair
76055
5 Pair
76145
6 Pair
Daughtercard Receptacles
(Right-Angle)
76460
2 Pair
76170
3 Pair
76160
4 Pair
76060
5 Pair
76150
6 Pair
Power Headers
78347
3 Pair Right Angle
78399
3 Pair Vertical
78349
4 Pair Right Angle
78351
5 Pair Right Angle
78446
5 Pair Vertical
78353
6 Pair Right Angle
78442
6 Pair Vertical
A
G
I
F
H
B
D
J
C
E
K
Coplanar Headers
(Right-Angle Male)
76450
2 Pair
76410
3 Pair
76500
4 Pair
76560
6 Pair
Mezzanine Receptacles
(Vertical)
76530
5 Pair
170415
3 Pair
Power Receptacles
78348
3 Pair Right Angle
78212
3 Pair Vertical
78214
4 Pair Vertical
78350
4 Pair Right Angle
78216
5 Pair Vertical
78352
5 Pair Right Angle
78218
6 Pair Vertical
Impact™ 100 Ohm Backplane Connector System (Standard and XTR versions)
A. 6-Pair Right-Angle XTR Daughtercard Receptacle (Series 171030)
B. 6-Pair Vertical Power Plug (Series 78442)
C. 3-Pair Backplane Header (Series 76165)
D. 6-Pair Right-Angle Male Header (Series 76560)
E. 3-Pair Daughtercard Receptacle (Series 76410)
F. 5-Pair Backplane Header (Series 76055)
G. 5-Pair Mezzanine (Series 76530)
H. 4-Pair Vertical Power Receptacle (Series 78214)
I. 4-Pair Power Right-Angle Header (Series 78349)
J. 3-Pair Vertical Mezzanine (Series 170415)
K. 2-Pair Right-Angle Daughtercard Receptacle (Series 76460)
Features and Benefits
Data rates scalable up to and
beyond 25 Gbps
Support future system performance
upgrades (standard Impact 100
Ohm connectors achieve up to
25 Gbps; XTR Impact 100 Ohm
connectors achieve beyond 25
Gbps)
Superior density, low cross-talk
noise, low insertion loss and
minimal performance variation
across all high-speed channels
Improves signal integrity (SI)
without sacrificing industry-leading
density. Lowers cross-talk noise and
minimizes performance variation
compared to legacy Impact
connectors. Supports quad routing
for a reduced PCB layer count.
Footprint and mate compatible with
existing Impact 100 Ohm backplane
products. Provides option to
upgrade electrical performance
when required
High differential pair density
supports high bandwidth needs
while minimizing board and system
real-estate usage
Reduced mating force by 50% over
competing products in the market
Two points of contact for long-term
reliability and built-in ground-signal
sequencing
Provides PCB routing flexibility and
reduces cost
Impact™
100 Ohm
Backplane
Connector System
Broad-edge-coupled, differential-
pair system on standard connectors
Broad-edge-coupled, shield-
to-wafer construction on XTR
daughtercards
Differential-pair density up to
30 pairs per cm (80 pairs per
linear inch) when using 6-pair
configurations)
Inline staggered interface
Bifurcated contact beams on the
daughtercard connector
Easy-to-manage 1.90 by 1.35mm
grid
Two compliant-pin attach options
(0.39 and 0.46mm)
Provides customers ultimate
flexibility to optimize designs for
superior mechanical and electrical
performance
Demonstrates end-to-end channel
performance compliance
IEEE 10GBASE-KR and Optical
Internetworking Forum (OIF)
Stat Eye Compliant channel
performance
Applications
Telecommunication
Networking
(hubs, switches, routers)
Data Center Equipment
Storage
Servers
Medical Equipment
Impact™
100 Ohm
Backplane
Connector System
Data Center
Blade Server
Switch
Storage
Specifications
Reference Information
Packaging: Trays
UL File No.: E28179
Mates with: Numerous options,
reference Ordering Information
Charts
on pages 10 to 13
Designed In: Millimeters
RoHS: Yes
Halogen Free: Yes
Signal
Electrical
Voltage (max.): 30V AC (RMS)/DC
Current (max.): 0.75A
Contact Resistance (max.): mated,
100mA, 20mV
Dielectric Withstanding Voltage:
unmated, 500V AC
Insulation Resistance: 1000 Megohms
Mechanical
Contact Retention to PCB: 3.56N
Insertion Force to PCB:
Backplane: 26.70N
Daughtercard: 17.80N
Mating Force: 35g max.
Unmating Force: 15g min.
Durability: 200 (mating cycles max.)
Physical
Housing: Liquid Crystal Polymer,
UL 94V-0
Contact: High-Performance
Copper (Cu) Alloy
Plating:
Contact Area — 0.76μm (30μ”)
Gold (Au) min.
Solder Tail Area — Tin (Sn)
Underplating — Nickel (Ni)
Operating Temperature: -55 to +85°C
Power
Electrical
Voltage (max.): 250V DC
Current (max.):
3 Pair — 15.0A per blade,
60.0A per module
4 Pair — 20.0A per blade,
80.0A per module
5 Pair — 25.0A per blade,
100.0A per module
6 Pair — 20.0A per blade,
120.0A per module
Contact Resistance:
1.0 milliohms max. per circuit
Dielectric Withstanding Voltage:
Tested to EIA-364-20
Insulation Resistance:
20,000 Megohms min.
Impact™
100 Ohm
Backplane
Connector System
Mechanical
Contact Retention to PCB: 3.56N
Insertion Force to PCB:
3 Pair — 1.5 kgf per module
4 Pair — 2.0 kgf per module
5 Pair — 2.5 kgf per module
6 Pair — 3.0 kgf per module
Mating Force: 6.0 kgf max. per pin
Unmating Force:
3 to 5 Pair — 0.20 kgf per module
6 Pair — 0.30 kgf per module
Durability: 200 (mating cycles)
Physical
Housing: Liquid Crystal Polymer,
UL 94V-0
Contact: Copper (Cu) Alloy
Plating:
Contact Area — 0.76μm (30μ”)
Gold (Au) min.
Solder Tail Area — Tin (Sn)
Underplating — Nickel (Ni)
Operating Temperature: -55 to +85°C
Additional Information
Daughtercard Receptacle Signal Modules
Left Guide
Right Guide
Open
Backplane Header Signal Modules
Open
Left Endwall, Right Open
Right Endwall, Left Open
Dual Endwall
Left Guide, Right Open
Left Open, Right Guide
Left Endwall, Right Guide
Left Guide, Right Endwall
Ordering Information
Impact™
100 Ohm
Backplane
Connector System
XTR Daughtercard Receptacles
Number of Pairs
3
Guide
Unguided
Note: Mates with standard Impact 100 Ohm Header Connectors
Application
XTR Daughtercard
Component Type
Columns
14
10
Unguided
4
Left
Right
6
Unguided
Signal
Receptacle
16
6
8
10
16
10
16
14
171030
171020
SD-171020-0300
SD-76460-0500
SD-76460-1001
SD-171020-0001
Series No.
171180
Molex Sales
Drawing*
SD-171180-0001
*Search www.molex.com for a sales drawing by typing the SD number in the Keyword Search, for example: SD-76460-001
Conventional (Right-Angle to Vertical) Headers and Receptacles
Note: Mating header and receptacle information is provided in the same row
Number
of Pairs
Guide
Unguided
2
Left
Right
Open
3
Left
Right
-
Unguided
4
Left
Right
-
Unguided
5
Left
Right
-
Unguided
6
Left
Right
-
Power
Receptacle
78218
Signal
Header
76145
Power
Receptacle
78216
Signal
Header
76055
Power
Receptacle
78214
Signal
Header
76155
Power
Receptacle
78212
Signal
Header
76165
76455
Application
Backplane
Component
Type
Series No.
Molex Sales
Drawing*
SD-76455-001
SD-76455-002
SD-76455-003
SD-76165-001
SD-76165-002
SD-76165-003
SD-78212-002
SD-76155-001
SD-76155-002
SD-76155-003
SD-78214-003
SD-76055-001
SD-76055-002
SD-76055-003
SD-78216-002
SD-76145-001
SD-76145-002
SD-76145-003
SD-78218-002
Header
78353
Receptacle
76150
Header
78351
Receptacle
76060
Header
78349
Receptacle
76160
Header
78347
Receptacle
76170
76460
Daughtercard
Series
Component
No.
Type
Molex Sales
Drawing*
SD-76460-001
SD-76460-002
SD-76460-004
SD-76170-001
SD-76170-002
SD-76160-004
SD-78347-001
SD-76160-001
SD-76160-002
SD-76160-004
SD-78349-001
SD-76060-001
SD-76060-002
SD-76060-004
SD-78351-001
SD-76150-001
SD-76150-002
SD-76150-004
SD-78353-001
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