Connection
Systems
Two-Piece Backplanes
Futurebus
Connectors
Description:
Modular
two-piece
backplane connection system
Typical Applications:
Servers
Switches
Routers
Add/drop
multiplexers
Benefits/Features:
Industry Standard . . . . . Meets IEC 61076-4-104 specification identifying mounting, mating, and performance requirements.
Versatility . . . . . . . . . . . Standard "block" sizes allow mix-and-match to create simple modular solutions.
5-row versions are available for increased line/inch density.
Multiple length pins allow virtually unlimited variations of EMLB (Early Mate, Last Break) and reduced mating force.
Solder-tail and press-fit versions are available and intermatable.
Reliability . . . . . . . . . . . Generous lead-in allows self-alignment for blind mating.
Several gold plating options are available for improved reliability.
Mechanical and Electrical Characteristics:
Mechanical Specifications
Grid Size
Temperature Range
Insulation Material
Contact Base Material
Creepage and Clearance
Distance
Contact Levels (Post Lengths)
Mating Force per Signal Contact
Unmating Force
Termination Technique
Misalignment
Inclination
2.0 mm
-55°C to +125°C
Glass filled LCP UL 94V-0
,
Phosphor bronze
0.40 mm contact row
0.40 mm adjacent contacts
Press-fit: 4.25 mm
Solder-tail: 3.2, 4.25 mm
0.7 N [0.16 lbf] max.
0.12 N [0.027 lbf] min.
Press-fit or solder-tail
Sn
0.15 µm max.
0.75 +0.05/-0.10
Insulation Resistance
Dielectric Withstanding Voltage
Electrical Performance
Current Rating
Voltage Rating
Contact Resistance
1 amp (25ºC)
30 VAC
25, 35, 40, 45, 50 mΩ
(rows a-e, respectively)
Initial: 5000 MΩ
Final: 100 MΩ
1000 VAC
Recommended PCB Plated Through Holes
Drilled Hole
Cu
0.81 - 0.86 mm
0.25 µm min.
Transverse: 2.5 mm
Longitudinal: ± 4°
Transverse: ± 2°
Plated Through Hole
Performance Levels
1
250 mating cycles
Futurebus Connectors
Dimensions are shown in millimeters [inches].
Consult factory for selective loading configurations.
Ordering Nomenclature
1543 0310 – 0
1
1
Number of Blocks:
1, 2, 4, 6,
and
8
Contact Plating Thickness:
1
= 30 µin
2
= 50 µin
3
= 80 µin
R/A Female:
4 Row, Press-Fit . . . . . . . .
1543
0310
5 Row, Press-Fit . . . . . . . .
1543
1477
4 Row, Solder-Tail . . . . . .
1543
1475
5 Row, Solder-Tail . . . . . .
1543
1478
R/A Female Contact Dimension:
0
= N/A
Male:
4 Row, Press-Fit . . . . . . . .
1543
0311
5 Row, Press-Fit . . . . . . . .
1543
1326
Male Press-Fit Contact Dimension: C/D
0
= 5.00/4.50 mm
1
= 5.75/4.50 mm
2
= 6.50/4.50 mm
3
= 7.25/4.50 mm
4
= 8.00/4.50 mm
Male Solder-Tail Contact Dimension: C/D
0
= 5.00/3.20 mm
5
= 5.00/4.25 mm
1
= 5.75/3.20 mm
6
= 5.75/4.25 mm
2
= 6.50/3.20 mm
7
= 6.50/4.25 mm
3
= 7.25/3.20 mm
8
= 7.25/4.25 mm
4
= 8.00/3.20 mm
9
= 8.00/4.25 mm
Male:
4 Row, Solder-Tail . . . . . .
1543
1331
5 Row, Solder-Tail . . . . . .
1543
1332
www.delphi.com/connect
Printed on Recycled Paper.
© 2002, Delphi. All rights reserved.
Printed in the U.S.A.
502/Rebld
Land b1204 3w
DP-03-E-064
Connection Systems
19200 Asheville Highway
P.O. Box 519, Landrum, SC 29356
U.S.A.
Tel: [1]
864.457.3824
Fax: [1]
864.457.2535
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