Smiths Connectors is now Smiths Interconnect


Based on the electronic and mechanical expertise gained over the last 50 years, Smiths Connectors has become the supplier of choice to ensure safe, efficient and reliable passenger and freight transportation all around the world. Our experience in signal, power and high speed connectors for rolling stock, signaling and infrastructure applications results in customer-driven, reliable solutions for our customers.

We offer proven quality and innovative, environmentally friendly solutions conforming to the main international railway standards and constantly adapting our connectors to tomorrow’s technologies while meeting our customer requirements. Our comprehensive range of products is optimized to mitigate the effects of shock, vibration and fretting corrosion which are key in rail applications.

Typical applications include ERTMS/ETCS, high speed trains, metros, computer based interlocking, automatic train control, automatic braking systems, operation and traffic controls.


Arinc 628 circular plastic connectors offer 2 power (8 amps) and 2 signal (2 amps) contacts with up to 1000,000 mating and un-mating cycles for receptacle. The Arinc 628 series help regulate power in loop circuit with “first mate-last break" contacts designed for airline in-seat power applications. More

B Series

The Smiths Connectors B series is a rectangular modular solution mixing signal, power, coaxial and high speed contacts. The B Series features with an adaptable cable clamp and a jackscrew. B Series connectors are fully in compliance with NFF French railway standards. More


Heavy duty circular connectors, specifically designed for the compact size and the advanced technical features of the rail Eurobalise system. More

C Series

The Smiths Connectors C series is an IP67 circular connector with an EMC metal housing. The C Series connectors feature with a compact and small size equipped with gold plating contacts. They guarantee an excellent resistance to the high levels of shocks and vibrations on rail and industrial applications. More

Custom Interposers

Smiths Connectors integrates industry-leading spring probe technology with extensive design
experience to provide application-specific interposer solutions. More

Custom Sealed Connectors

Spring probe embedded connectors designed with the most innovative gaskets and sealing technologies to ensure compliance with IP and MIL standard requirements. More

DJ/DK/DL/DM Series

The Smiths Connectors DJ, DK, DL, DM series are IP56 circular metal connectors equipped with signal and power hyperboloid contacts. They provide a unique quick disconnect push style and the user can easily check the right locking of the connector. They are ideal for Industrial and Test & measurement applications. More

EasyPower Transformer Series

The EasyPower Series is part of the Transformer range, a comprehensive series of high density, modular connectors for all on-board power applications within the rail market. More

F Series

The Smiths Connectors F Series is a modular coupler solution offering a combination of signal, power, high speed and fibre optic contacts. The couplers range secures data transmissions in the sensitive area located between coaches of all types of rail vehicles, from high speed trains to metros and trams. More

Fibre Channel D-Sub

The Fibre Channel D-sub connector series utlizes a multi-finger ground spring fixed around the shell to provide a multi-point contact engagement that affords superior EMI shielding.  More

GS Series

The Smiths Connectors GS series is D-Sub rectangular I/O connector designed to meet the requirements of the Railway, Aerospace & Industry markets. They offer a reliable connection using the Hypertac hyperboloid contact and then benefit from a lower contact resistance and a higher number of mating cycles. More

H Series

The Smiths Connectors H series is high density rectangular modular solution offering a combination of signal, power and coaxial contacts. The connector is ideal for test applications for the Automotive, Railway, Defense, Space & Industrial markets. More


Smiths Connectors HBB circular power connectors for all high-power, military and industrial applications, environmentally sealed and easy to use with quick release latching mechanism. Available in ruggedized metal and plastic versions. More

HeavyPower Transformer Series

The HeavyPower Series is part of the Transformer range, a comprehensive series of high density, modular connectors for all on-board power applications within the rail market. More


Smiths Connectors HPW High density mixed signal & power PCB connectors. Rugged design, qualified for military and civil programs, suitable for Military, Aerospace, Industrial and Rail applications. More


The Hypermod series is a heavy duty modular rectangular solution mixing signal, power, and coaxial and high speed contacts. The IP67 rugged metallic shell makes the Hypermod connector resistant to shock and vibrations of the Rail and Industrial markets. The Hypermod Series is conforming to DIN 43652. More

L Series

L Series Connectors are high density, modular, rack & panel connectors that include Coax and High Current contacts up to 200 amps, as well as the patented Hot Plug contact. The L series is used in high demanding of applications where the environment requires durability, ruggedization and extended operating life. More


The LHS Rack & Panel Connector is made with the superior Hypertac® hyperboloid technology, these connectors offer the ability to withstand shock & vibration fretting, with low insertion / extraction forces for easy mating. More

LHZ Series

LHZ series is a railway flat floating rectangular connector. Its modular design enable the user to configure it own connector mixing power, signal, coacial and quadrax contacts. The LHS Series is ideal for Rack/panel applications and is compliance with NF F 61-032 (SNCF norm approved). More

M12 Circular W Series

M12 Connector series has been specifically developed for applications where space or weight are at a premium. The compact and robust design incorporates hyperboloid contacts to provide an unrivaled performance. More

Micro Quadrax/Twinax

Micro Twinax connectors feature matched impedance miniaturized connectors that provide the user with controlled impedance and tightly spaced PCB footprint spacing. These connectors are available in true differential twinax packages of NDL, SMA and Micro-D. The micro quadrax connectors maintain the signal to shield impedance throughout the mated connector pair (quad configuration applications exceeding 1 Gbit/sec). More

MIL-DTL-38999 Quadrax/Twinax

High Speed Interconnects including differential Twinax and Quadrax for high speed Ethernet, Firewire and Fibre Channel applications. Manufacturing to the following protocols: Fibre Channel, Ethernet (10 Base-T, 100 Base-T, 1000 Base-T), Firewire (IEEE 1394A and 1394B), USB, DVI and infiniban. More

MIL-DTL-38999 Shell Styles 20 & 26 Quadrax Connectors

Differential pair quadrax connectors offer superior performance in high speed matched impedance data-on-demand applications. The signal to signal and signal to shield characteristic impedance is maintained throughout the connector pair. More

N Series

The N Series provides a high density, modular rack & panel connector solution that includes coax and high current contacts up to 25 amps, and allows for up to 900 contact positions. More

REP Series

REP Series guarantees excellent reliability in extreme shock and vibration conditions while providing up to 500 mating cycles and high current ratings up to 18 A. More

Rugged D-Sub Quadrax/Twinax

Rugged D-Sub connectors are offered withtool back shells and polarized jack post hardware. This line of high-impedance connectors has been designed to ground the outer shield quadrax and twinax contacts directly to the shell of the connector.  More

Standard Spring Probes

Spring probes provide reliable electro-mechanical performance through hundreds of thousands of cycles.  They are available in a variety of sizes, spring forces and terminations. More

Triax Contacts

The triax contact series fit standard MIL-DTL-38999 size 8, 10 & 12 contact cavities, d-sub size 8, and ARINC size 1, 5, 8, 9 & 12 standard rack & panel connector cavities and MIL-DTL-83527 size 8 cavities.  More