Power Connectors & Interconnection Systems
Introduction to High Current Card Edge Connectors
Product Facts
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Contacts on .100 [2.54]
Centerlines
Selective gold plating of
contacts for high perform-
ance at low cost
Flow solder applications
Glass-filled polyester
housing is 94V-0 rated
Available in vertical,
right-angle or straddle
PCB-mount
Soldertails for wave solder
applications
Compliant press-fit PCB
tails for solder-less
applications
50% to 100% greater
current carrying capacity
than traditional card edge
connectors
Accepts double sided
PC boards, .054-.070
[1.27-1.78] thick
Recognized under the
Component Program
of Underwriters
Laboratories Inc.,
File No. E28476
Certified by Canadian
Standards Association,
File No. LR 7189
R
Card Edge Products
Introduction
The High Current Edge
family of connectors
provides high reliability and
economy in packages
compatible with industry
standards. While many new
card edge connectors for
signal applications have
moved toward higher density
configurations (0.050"
and 1 mm centerlines),
Tyco Electronics has
redesigned the 0.100"
standard edge product
family to carry more current,
for low power distribution.
This product family includes
the following:
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R
The connectors serve low
durability cycle applications
which do not have the
available room for a
traditional 2-piece power
distribution connector. In
other applications, a low-
profile connector is needed
to allow for better airflow /
less airflow restriction.
This grouping of power card
edge connectors is focused
on providing high current
density with the favored
multi-point contact design
which reduces contact
interface resistance.
The connectors were
used originally in the ISA
Standard for computer
expansion cards. Today
these connectors are being
used in applications such
as; DC-to-DC converters,
low-wattage power
supplies, industrial grade
card extenders and general
low cost I/O applications
requiring durable/rugged
card edge contacts. The
improvements made still
allows use in the original
applications and they
provide a lower resistance
connection due to the high
conductivity contacts
plated with a minimum
30 micro inches gold.
The options include vertical
or right-angle PCB mounting
as well as straddle-mount
configurations for co-planar
PCB applications.
CROWN EDGE Products
Standard Edge Connector
— 2nd generation
SEC-II Power Products
173
Catalog 1773096
Revised 2-10
www.tycoelectronics.com
Dimensions are in inches and
millimeters unless otherwise
specified. Values in brackets
are metric equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-(0)8002-67666
Power Connectors & Interconnection Systems
Introduction to High Current Card Edge Connectors
(Continued)
CROWN EDGE Connector
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Design based on CROWN BAND technology
35A per power contact
True hot-plug power modules
Flexible modular design
Mates with .062 [1.6] thick card edge or bus bar tab
Card Edge Products
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SEC-II Power Connector
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High current density than high current SEC II
Uses new MULTI-BEAM style power contact
Vertical, straddle or right-angle PCB mounting
22A (straddle) or 28A (vertical) power contact +3A signal
contact
SEC-II Connectors
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Provides high reliability in packages compatible with industry
standards for double-sided printed circuit boards
Uses signal style contact
High IACS copper alloy contacts available to improve current
carrying capability
Accepts double-sided boards .054 [1.27]-.070 [1.78] thick
Maximum number of dual positions
.100 [2.54] Centerlines — 70 positions
.125 [3.18] Centerlines — 50 positions
.150 [3.81] Centerlines — 31 positions
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-(0)8002-67666
174
Catalog 1773096
Revised 2-10
www.tycoelectronics.com
Dimensions are in inches and
millimeters unless otherwise
specified. Values in brackets
are metric equivalents.
Power Connectors & Interconnection Systems
CROWN EDGE Card Edge-style High Current Connectors
Product Facts
Low cost power solution
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Power, signal and mixed
modules
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35A per power contact
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Mates with .062 (1.6 mm)
thick card edge or bus bar
tab
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Press-fit or solder tail
terminations
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True hot-plug power
modules
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Meets regulatory safety
requirements
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All CROWN EDGE products
in this section are RoHS
compliant.
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Card Edge Products
Typical Applications
Board-to-board power
connections
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DC-DC converters
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Uninterruptible Power
Supply (UPS)
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Power supplies
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CROWN EDGE connectors
are a board-to-board power
interconnect solution that
uses ELCON high perform-
ance CROWN BAND
contact technology config-
ured to mate directly with
a printed circuit board edge
or — for higher currents —
with a solid bus bar. Power
and signal can be combined
and mounted end-to-end to
meet the requirements of
the applications.
Flexible Modular Design
To make easy work of
power distribution design,
CROWN EDGE connectors
are available in modules of
2 and 3 contact segments
with power or signal con-
tacts or a combination of
both in a single module.
Modules can be placed
end-to-end for assemblies
up to 8" (203.20 mm) long.
Custom molded configura-
tions are possible on high-
volume projects. Consult
Tyco Electronics or your
local Tyco Electronics sales
representative for details.
Versatile Power Arrangements
Opposing contacts are
isolated, so power connec-
tions at different voltage
levels can be on one side
of the board, with ground or
power return on the other
side.
True Hot-Plug Support
CROWN EDGE power mod-
ules that support current
interruption under load as
defined by safety regulatory
agencies are also available
for mating to a metal blade
or bus bar tab. These true
hot-plug modules allow cur-
rent interruption under load
by incorporating a contact
design that restricts the
effects of arcing to areas
that do not compromise the
integrity of the connection.
Product Highlights
High-current Card Edge
Interface
CROWN EDGE connectors
use Tyco Electronics proven
ELCON CROWN BAND
contacts that provide
multiple points of contact
for high current, and low
voltage drop and minimal
heat generation. The
desired current rating
for most applications can
be achieved by bussing
multiple contacts or even
modules. For even higher
currents, CROWN EDGE
connectors can be
mounted onto a bus bar,
and mate directly with a
bus bar tab. Optimum inter-
face to the mounting PC
board is achieved through
five termination tails.
175
Catalog 1773096
Revised 2-10
www.tycoelectronics.com
Dimensions are in inches and
millimeters unless otherwise
specified. Values in brackets
are metric equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-(0)8002-67666
Power Connectors & Interconnection Systems
CROWN EDGE Card Edge-style High Current Connectors
(Continued)
Product Specifications
Materials & Finishes
Insulators
Non-hot-plug power contact
Hot-plug
power
contact
Signal contacts
Electrical
Current
ratings
Power contact
Signal contact
35A (see graph below)
3A max.
5,000MΩ minimum at 500 VDC for 2 minutes,
power MIL-STD 1344, Method 3003
1,500VDC for 1 minute, per MIL-STD 1344, Method 3001
.062" 91.6 mm ±.006" (0.15 mm)
5.0 lbf typical using .062" (1.6 mm) thick mating board with 5 oz. of
6.0 lbf typical using .062" (1.6 mm) thick mating board with 5 oz. of
3.0 lbf typical using .062" (1.6 mm) thick mating board with 5 oz. of
5.0 lbf typical using .062" (1.6 mm) thick mating board with 5 oz. of
Press fixture is recommended for compliant press-fit assemblies
Consult Tyco Electronics customer service for details
Contacts
PPA, UL 94-V-0 flammability rated, color black
Copper alloy, selectively plated with gold (30 micro inches minimum) and tin
on terminations, all over nickel
Contact
Phosphor bronze alloy, selectively plated with tin on terminations, over
holder
nickel
CROWN BAND Beryllium copper alloy, selectively plated with gold (30 micro inches
element
minimum), over nickel
Phosphor bronze alloy, selectively plated with gold
(30 micro inches minimum) and tin on terminations, all over nickel
Card Edge Products
Insulation resistance
Dielectric strength
Mechanical
Mating PCB thickness
Insertion
Forces
Extraction
Forces
Tooling
2
3
2
3
segment
segment
segment
segment
power
power
power
power
module
module
module
module
copper
copper
copper
copper
Current Ratings
The chart below demonstrates the performance of the
CROWN EDGE power contact by showing the temperature
rise at different current levels applied to two power con-
tacts connected in series.
Current rating for any given application will depend,
among other things, on the module combination, PCB
copper trace volume, and internal equipment tempera-
ture/air flow. Mounting and mating to a bus bar will
increase current ratings.
Safety Regulatory Compliance
CROWN EDGE connectors have been evaluated by
Underwriters Laboratories and have been found to comply
with the requirements of U.S. standard UL1997 and
Canadian standard C22.2 No. 182.3-M1987.
Compliance with Current Interruption Requirements
Hot-plug CROWN EDGE modules are available for appli-
cations that require current interruption as defined by
safety regulatory agencies. These power-only modules
have been evaluated and recognized by Underwriters
Laboratories for current interruption up to 50 cycles as
per the UL1977 standard. See hot-plug requirements on
page 180.
176
Catalog 1773096
Revised 2-10
www.tycoelectronics.com
Dimensions are in inches and
millimeters unless otherwise
specified. Values in brackets
are metric equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-(0)8002-67666
Power Connectors & Interconnection Systems
CROWN EDGE Card Edge-style High Current Connectors
(Continued)
4-Position Power Module
Part Numbers
6651170-1
6651170-2
6651170-3
6651331-1
6650380-1
6650380-2
Long solder tail, non-hot-plug*
Press-fit tail, non-hot-plug*
Short solder tail, non-hot-plug*
Press-fit tail, hot-plug
Short solder tail, hot-plug
Long solder tail, hot-plug
* Also available for .093" (2.4 mm) thick mating board.
Contact Tyco Electronics Customer Service for details.
.932
(23.67)
.072
(1.83)
1.055
(26.8)
.032
(0.8)
.269
(6.8)
.274
(6.95)
.508
(12.90)
.591
(15.0)
Card Edge Products
.200 (5.08)
.160 (4.06)
.356
(9.0)
.114
(2.90)
6-Position Power Module
Part Numbers
6650383-1
6650383-2
6650383-3
6650384-1
6650384-2
6650384-3
Press-fit tail, non-hot-plug
Long solder tail, non-hot-plug
Short solder tail, non-hot-plug
Short solder tail, hot-plug
Press-fit tail, hot-plug
Long solder tail, hot-plug
1.563 (39.7)
.269
(6.8)
1.440
(36.57)
.072
(1.83)
.591
(15.0)
.274
(6.95)
.508
(12.90)
.508
(12.90)
.356
(9.0)
.200 (5.08)
.160 (4.06)
30-Position Signal Module
Part Number
1926088-1
Press-fit tail, non-hot-plug
1.055
[26.8]
.269
[6.8]
.072
[1.83]
.591
[15.00]
.827
[21.0]
.125
[3.17]
.932
[23.67]
.032
[0.8]
.060
[1.50]
.356
[9.0]
.060
[1.50]
.177
[4.5]
.059
14 Plcs.
[1.5]
Note:
All part numbers are RoHS compliant.
177
Catalog 1773096
Revised 2-10
www.tycoelectronics.com
Dimensions are in inches and
millimeters unless otherwise
specified. Values in brackets
are metric equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-(0)8002-67666
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