ERmet ZD
®
www.erni.com
Catalog E 074505
04/07
Edition 7
www.erni.com
Catalog E 074505
04/07
Edition 7
ERmet ZD
High Speed Differential Hard Metric Connector System
Table of Contents
ERmet ZD High Speed Differential Hard Metric Connector System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Electrical and Mechanical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Right Angle Female Connectors 4 Pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Right Angle Female Connectors 4 Pair Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Right Angle Female Connectors 3 Pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Right Angle Female Connectors 3 Pair Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Right Angle Female Connectors 2 Pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Right Angle Female Connectors 2 Pair Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Vertical Male Connectors 4 Pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Vertical Male Connectors 4 Pair Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Vertical Male 4 Pair Cable Headers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Vertical Male 4 Pair Cable Headers Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Vertical Male Connectors 3 Pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Vertical Male Connectors 3 Pair Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Vertical Male Connectors 2 Pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Vertical Male Connectors 2 Pair Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Right Angle Male Connectors 4 Pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Right Angle Male Connectors 4 Pair Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Right Angle Male Connectors 3 Pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Right Angle Male Connectors 3 Pair Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Right Angle Male Connectors 2 Pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Right Angle Male Connectors 2 Pair Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Vertical Female Connectors 4 Pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Vertical Female Connectors 4 Pair Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Cable System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
ERmet ZD Cable 5 Wafer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
ERmet ZD Cable 10 Wafer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Cable Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Application Tooling, Equipment and Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Mating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Recommended PCB Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Antipad Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Additional Mechanical Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Part Number Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Catalog E 074505
04/07
Edition 7
www.erni.com
1
ERmet ZD
High Speed Differential Hard Metric Connector System
ERmet ZD Male and Female Module with Pressfit Termination
Description
The ERmet ZD is specifically designed for high speed
differential signaling in telecom applications at data rates of up
to 5 Gbits/second. This robust, high performance, modular
connector system is also designed to be used in conjunction
with the 2 mm Hard Metric (IEC 61076-4-101) family of
connectors. It shares the chassis and board design features
along with common layout references.
The connector meets the electrical performance requirements
of high speed, low voltage differential signaling. The ERmet ZD
connector family is available in pressfit versions. The back-
plane module is a male pin header that has three mating
levels. The ground shield and signal pins mate sequentially at
1.5 mm intervals.
The robust mechanical design and excellent signal integrity
are a result of the internal differential shielding scheme and the
“L” shaped male shield blades. The inherently rigid male
shields stand higher than the signal pins and surround each
pair. An improved guidance feature completes the rugged
mechanical design.
Optimized grid design to improve the RF characteristics.
Easy and economical trace routing achieved by in line-design
of signal and ground pins.
Simulation models available upon request.
Technical Features
• Design: Wafers with individually shielded pairs of contacts.
• Contacts: Low noise, dual beam, leaf contacts with one
ground blade for every pair of signals.
• Wafer pitch: 2.5 mm from wafer to wafer.
• Pitch between signal pins: 1.5 mm between pairs
(within wafer).
• Pitch between pairs: 4.5 mm (within wafer).
• Ground arrangement: In line with signals at termination and
surrounding shield.
• Multiline Crosstalk < 3% at 100 ps
• Differential Impedance: 100
Ω
±10%
• Power Modules: Closed entry, vertical female backplane
modules with stamped blades.
• Alignment Features: Improved pre-alignment guide and
polarizing features, 4 rigid blades for all modules.
• Modularity: Modules are available in two widths and a
variety of lengths to integrate within typical Eurocard
designs utilizing 5 and 8 row, 2 mm HM connectors to
IEC 61076-4-101.
2
Catalog E 074505
04/07
Edition 7
www.erni.com
ERmet ZD
High Speed Differential Hard Metric Connector System
Electrical and Mechanical Characteristics
Standard
Pressfit
Male- and Female
2-, 3- and 4-pair
Number of pins
Technical data
Climate category
Temperature range
Current rating
IEC60512
test 5b
DIN EN 60068-1
test b
-55/125/56
-55/125 °C
By ambient temperature:
20 °C 0.9 A
70 °C 0.7 A
100 °C 0.4 A
0.5 mm
Clearance and creepage
distance
Voltage rating
IEC 60664
Has to be determined according
to client-specific using case
(degree of environmental pollu-
tion) according to IEC 60664
contact pair - contact pair 500 V
rms
contact pair - shield 500 V
rms
< 50 mΩ (Signal)
< 15 mΩ (Shield)
> 10
4
MΩ
10 – 2000 Hz
20 g
< 1 µs
50 g
11 ms
< 1 µs
> 250 mating cycles
max. 0.7 N/pin (Signal)
max. 0.9 N/pin (Shield)
Withdrawal force: min. 0.15 N/pin
> 0.2 N
Insertion force:
Dielectric strength
Contact resistance
Insulation resistance
Vibration, sine
Contact interruption (while
vibration test)
Shock, halfsine
Contact interruption (while
shock test)
Mechanical operation
(mating cycles)
Insertion and withdrawal
force
IEC 60512
test 4a
IEC 60512
test 2a
IEC 60512
test 3a
IEC 60512
test 6d
IEC 60512
test 2e
IEC 60512
test 6c
IEC 60512
test 2e
IEC 60512
test 9a
IEC 60512
test 13b
Gauge retention force
IEC 60512
test 16e
Catalog E 074505
04/07
Edition 7
www.erni.com
3
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