BACKPANEL CONNECTORS
METRAL
®
4000 SERIES
DESCRIPTION
FCI’s Metral
®
4000 Series is a high-speed 2 mm
backpanel connector system consisting of right-
angle receptacles and vertical headers. The 4000
Series features a unique stripline structure in
both the receptacle and header. Compared to
the Metral® 1000 and 2000 Series, Metral
®
4000
receptacle connectors employ a modified
receptacle contact geometry optimized for
100-ohm differential signals. This yields a better
impedance match and lower insertion loss.
Metral
®
4000 headers and receptacles also use
a press-fit pin designed for 0.6mm drilled holes.
The reduced hole diameter frees additional board
space for trace routing and also results in lower
capacitance.
Metral
®
4000 Series is available in 5x6 and 8x12
module sizes. The modules feature dedicated
ground rows. For the 5-row connector, the
dedicated ground row is the 3rd row. For the
8-row connector, the dedicated ground rows are
the 3rd and 6th rows.
Aside from the design enhancements to extend
high-speed electrical performance up to 5 Gb/s,
Metral 4000
®
Series connectors are similar to the
FCI Standard Metral® Connectors. The system is
designed to conveniently stack end-to-end with
other FCI Metral® products.
FEATURES & BENEFITS
A shielded stripline transmission structure in both the header and receptacle
Contact geometry optimized for 100-ohm differential pairs
Smaller 0.6mm hole diameter for better routing and lower capacitance
Less than 1.0dB insertion loss at 5Gb/sec
Reduced crosstalk compared to the Standard Metral
®
Connector System
Less than 5.0% multi-line active NEXT @ 100 ps rise time in differential
applications
Dual-beam receptacle contacts
200 mating cycles
Stackable end-to-end with other FCI Metral
®
products
Available in 5- and 8-row configurations
Contact density: 5 row - 25 pairs/inch, 10 pairs/cm; 8 row - 38 pairs/inch,
15 pairs/cm
Capability to provide customized select-load patterns in headers
Press-fit headers and receptacles for easy installation with standard press
tooling
Repairable
Lead-free and RoHS-compliant versions available
TARGET MARKETS / APPLICATIONS
Communications
• Transmission
• Access
• Switches
• Routers
Data
• Servers
• Storage Enclosures
I&I
• Rack-Based Systems
METRAL
®
4000 SERIES
MATERIALS
Housings: High-temperature, glass filled LCP, UL 94 V-0
Receptacle contacts: Phosphor-bronze
Header pins: Phosphor-bronze
Ground shields: Phosphor-bronze
Plating:
• Contact area: Selective gold over nickel
• Press-fit tails: tin-lead or tin
SPECIFICATIONS
Product
• FCI Specification GS-12-184 for 5-row connector and
GS-12-185 for 8-row connector
Application
• FCI Specification GS-20-014 for headers, FCI Specification
BUS-20-071 for receptacles
MECHANICAL PERFORMANCE
Mating force: 0.55 N max. per contact pair including
ground and shield contacts
Withdrawal force: 0.20 N min. per contact pair including
ground and shield contacts
Signal contact normal force: 0.39 N min. (EOL)
APPROVALS & CERTIFICATIONS
Telecordia and IEC pending
ELECTRICAL PERFORMANCE
Operating temperature: -55°C to +105°C
Current rating: 1 amp when all contacts are powered or
3 amps when one contact is powered at a 30°C max.
temperature rise
Contact resistance: 20 m max.
Insulation resistance: 1000 M min.
Signal integrity: Data and SPICE models are available at
www.fciconnect.com/highspeed. Contact FCI Marketing
for additional information.
PACKAGING
Tubes
PART NUMBERS
Header
55003-XXXXXX
59569-XXXXXX
55004-XXXXXX
Receptacle
52057-XXX
52062-XXX
52066-XXX
Number of Rows
& Positions
5-Row 5x6
5-Row 5x6
8-Row 8x12
1.27 mm (0.050") - 2.54 mm (0.100")
2.54 mm (0.100") - 3.40 mm (0.134")
For Daughter Card Thickness
Note: All Dash numbers, X’s represent available options such as plating types, pin lengths (for headers). Lead-free and RoHS-compliant products are designated by the
addition of LF as a suffix to the dash number. For detailed product information, visit our on-line catalog at www.fciconnect.com/metral.
FCI - Americas : 1 (800) 237 2374 - Europe : 33 1 39 49 21 83 - Asia/Pacific : 65 6549 6666
www.fciconnect.com
950511-034
CDC-METRL4K-08/06-E
1.27 mm (0.050") - 3.40 mm (0.134")
Printed on recyclable paper
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