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Smiths Interconnect
Backplane Twinax Brochure

Backplane Twinax Brochure

Product catalog summary

Overview
Smiths Connectors provides a comprehensive range of high-speed backplane connectors, including differential Twinax and Quadrax connectors, contacts, and cable assemblies. These are designed for high-speed Ethernet, Firewire, and Fibre Channel applications, ensuring superior performance and signal integrity.

Specifications

Temperature Rating: -55°C to +125°C
Corrosion, Shock, Vibration, Thermal Shock: Compliant with MIL-STD-202 standards
Durability: 500 Mate/Unmate cycles/min
Dielectric Withstand Voltage: 250 VDC
Insulation Resistance: 5,000 MegaOhms min
Contact Current Rating: 3.0 Amps D.C. max
Bandwidth: Up to 3 Gigahertz
Data Rates: Exceed 6 Gbps depending on cable type and length
Differential Pair Cable Impedance: 150 Ohm ± 15 Ohm and 100 Ohm ± 10 Ohms
Signal to Shield Cable Impedance: 75 Ohm ± 10 Ohm and 50 Ohm ± 7 Ohms

Materials and Finishes

Shells & Inner Contacts: Brass, BeCU, or leaded nickel copper with gold plating
Insulators: PTFE or ULTERM 1000
Connector Plug/Receptacle Shells: Aluminum with electroless nickel or cadmium plating
Gasket/Seal: Silicone rubber

Testing Capabilities
Smiths Connectors' Quadrax and Twinax interconnects are tested for eye pattern, jitter, skew, and insertion loss using the Agilent E5071C 4 port network analyzer, capable of 100 Ohm differential measurements up to 20 GHz and Eye Diagrams up to 16 Gbps.

Backplane Connectors
Smiths Connectors offers right angle twinax plugs and receptacles with 21 position blind mate PCB interconnects, suitable for high-speed data transfer in VME bus architecture. Part numbers and configurations are provided for various applications.

Cable Assembly Ordering
Flexible and differential pair twinax cables are available with specific impedance and dimensions. Ordering involves selecting connector types, cable group numbers, and specifying cable length.

Global Support
Smiths Connectors provides global support with contact information for offices in the Americas, Europe, and Asia.

Catalog excerpts

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technical characteristics speciFications shells & inner contacts: corrosion: MIL-STD-202 Method 101, Test Condition B shock: MIL-STD-202 Method 213, Test Condition B or leaded nickel copper, alloy UNS C19500, C19600 Vibration: MIL-STD-202 Method 204, Test Condition B Gold plate per MIL-DTL-45204 Type II, Class 1 thermal shock: MIL-STD-202 Method 107, Test Condition B durability: 500 Mate/Unmate cycles/min. connector plug/ dielectric withstand Voltage: 250 VDC receptacle shells Electroless nickel plate per SAE AMS-C-26074 or insulation resistance: 5.000 MegaOhms min contact current rating: 3.0...

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Backplane connectors In standard VME cards for low data rate signaling, connectors are widely available to carry non-shielded signaling for the VME bus from the interface via motherboard to daughter card assembly designated as I/O plug-in modules. The industry standard defines these connectors typically as P1 and P3 connectors. Smiths Connectors has taken the standard housing configuration of the P1 & P3 mounting dimensions while incorporating true differential pair contacts within the P1 & P3 dimensional constraints. Data sampling rates exceeding 2 Gbits/second can be driven via matched impedance...

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Backplane connectors right angle twinax receptacle 21 position (Blind Mate pcB interconnects) 100 ohM EMI SPRING GROUND SPACER ALIGMNENT GROUND SPRING straight twinax plug housing 21 position (Blind Mate pcB interconnects) 100 ohM 2X SCREW MNT. & ALIGN. size 10 twinax pin contact 100 ohM (.780) PART NUMBER Differential Twinax CABLE TYPE Flexible Twinax SNAP RING * To remove size 10 Twinax contacts use removal tool SIR-017

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Cable Assembly Ordering 1 connector #1 2 cable group # Flexible Twinax Differential Twinax Differential Quadrax 3 connector #2 4 cable length in inches (XXX) OL for Open Lead Flexible Twinax Cables Cable Group Cable Designation Impedance (Ohms) Differential Pair Twinax Cables 6 Differential Quadrax Cables 9

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Backplane Twinax Brochure

Backplane Twinax Brochure

Catalog excerpts

All Smiths Interconnect catalogs and technical brochures

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