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Smiths Interconnect

Smiths Interconnect Hypertac

Smiths Interconnect is a leading provider of technically differentiated interconnects, which integrate the highest performance contact technologies available today into a broad range of connectors for signal, power, high speed, fibre optic, filter and RF applications.

Providing high reliability and ruggedized solutions to meet today’s demanding customers’ needs, Smiths connectors are deployed in protect and control mission critical applications in the commercial, aviation, defence, space, medical, rail, semiconductor test, wireless telecommunications and industrial markets.

Design Support : Mark Ogden

Need advice on Smiths Interconnect?

Over the years, Mark has worked within distribution and at OEMs as a Field Applications Engineer, focussed on providing technical support for customer designs in a broad range of harsh environment applications in the military, rail, outside broadcast and energy markets.

Contact Mark for more information or help on Smiths Interconnect or call on +44(0)1403 260206.

Smiths Interconnect News
Smiths Interconnect News
09/05/2019 14:52:01

Image of Steadi Shield Connector

High power, modular connectors for all on-board power applications within the rail market.

The Transformer Series HeavyPower (TSH) connectors from Smiths Interconnect are a range of ruggedized, high reliability, high power, heavy duty interconnects which offer a modular solution for all on board power applications within the harsh environment rail market.

The TSH are available in 1 to 4 pole versions and employ Smiths Interconnect’s latest evolution of their Hypertac® hyperboloid technology: the Tortac® contact. The contact’s single piece hyperboloid construct supports higher current ratings than bifurcated designs and features very low fretting corrosion, allowing TSH to support currents of 300A per pole with an endurance of over 500 mating cycles. Connector styles include straight and right-angle versions and a ‘Y’ branch variant supporting additional use as a power junction box.

Comprising a polyamide insulator with a passivated aluminium frame, the design conforms to rail fire and smoke standards EN 45545-2, NF F 16-101 and NFF16-102 and has an environmental ingress protection rating of IP66/IP67 when mated. The design of the insulator ensures that correct voltage creepage distance clearances are met, providing high electrical protection in severe environments. It is fully compliant to EN50124 Pollution Degree 4, allowing external deployment of TSH on train roofs, under car on bogies and between vehicles as inter-carriage jumpers, without the need for cleaning

To support inter-coach jumper applications, an integrated anti-swaying device on the connector backend mitigates potential cable degradation and obviates the need for additional cable support clamping. An optional ‘Y’ branch connector style, TSHY, is available which splits each pole input into two outputs, replacing the need for junction boxes and so saving space and weight and simplifying maintenance. Typical design use would be a three pole ‘Y’ connector taking in the train’s three phase power and then branching each input phase into two output feeds, with each output supplying separate motors on the bogies.

The modular range employs a unique do-it-yourself system, offering a configurable architecture which enables customers to design their own platform solutions with just a few elementary piece parts. This allows many connector configurations to be supported by holding a minimal amount of piece part stock, reducing supply chain, cabling and maintenance costs and facilitating quick and flexible time to market. No special tools are needed except crimping tools, resulting in a further reduction in stock and kitting/logistic management.

TSH connectors have a voltage rating of 3600V, and a standard temperature range rating of -55°C to +125°C.

 

For a quote or for more information contact Mark Ogden by email or call on +44(0)1403 260206.

08/05/2019 09:16:06

Image of ELED

Reliable Harsh Environment Interconnect Solution, Optimised for Rail and Embedded Applications.

The REP series from Smiths Interconnect is a panel or cable mounted multi-pole, sealed, light weight, polycarbonate plastic connector, which delivers optimal durability in harsh environments. The connectors provide a cost effective, quick and secure connection for embedded equipment such as sensors, brakes, lighting, air conditioning and communications.

Plugs and receptacles with crimp terminated contacts are available for cable to cable solutions, with the receptacle also supporting panel mounting. Receptacle versions are also available loaded with straight or bent contacts with solder terminations for PCB or panel mounting. Both versions are available in 2, 6 and 12 way layouts, all with polarized guides, and providing over 500 mating cycles. Connection is fast, simple and secure with push to mate and press and release to un-mate.

A shunt accessory is available for the 6 and 12 way receptacles, enabling electrical derivation inside the connector for transmission of information to different locations. Other accessories available include cable retainers, panel seals, panel mounting brackets, plastic dummy contacts and filler plugs.

The connector employs Smiths Interconnect’s proven Hypertac® hyperboloid contact technology which, with its superior performance, ensures excellent reliability even under high levels of shock and vibration. Contact features include a 360 wiping action, low insertion/extraction forces, minimal contact resistance, immunity to fretting corrosion and a long life cycle in harsh environments. The hyperboloid contact supports a 30% higher current carrying capacity than standard contacts of the same size, with a rating of 18A.

The REP series is qualified to stringent European rail safety standards, conforming to the fire and smoke requirements of NFF 16-101, NFF 16-102, EN 45545-2 and UL94V0 standards and shock resistant levels to EN 61-373. Environmental protection ratings of IP66 and IP67 are achieved through the integration of over-moulded silicone grommets and interfacial seals.

The single sized crimp contact caters for cables from 0.50mm² to 2.5mm² (24-12AWG), offering a significant cost of ownership saving in terms of reduction in inventory holding and maintenance costs. Further, no special tools are required for assembly with the consequent reduction of supply chain, maintenance and cabling costs.

Voltage rating is 230V, with a standard temperature range rating of -55°C to +110°C (panel mount version up to +250°C).

 

For a quote or for more information contact Mark Ogden by email or call on +44(0)1403 260206.

01/03/2019 14:02:48

Image of Snaptac Connector

Featuring High Reliability Hyperspring spring-loaded hyperboloid contacts; sealed to IP67

The SnapTac® series of circular and rectangular miniature snap fit connectors from Smiths Interconnect is a lightweight, robust, high durability, quick release connector, offering exceptional signal integrity and designed to meet demanding operational specifications, such as those required in Future Combat Soldier programs, including communication, identification / recognition, and other critical tasks.

The connector series is available in both circular (7, 13, 19 ways) and rectangular (12, 21, 30 ways) geometries, with the plugs available in versions with or without over-moulding, while the receptacle offers straight through and solder cup termination styles. Circular extenders (7, 13, 19 ways), with and without over-moulding, are also available for applications requiring in-line connections. Eight housing polarizations are supported to avoid connector mismatching and a 90° over-moulded version is also available for the circular plug connector.

The locking mechanism is easy and fast, with the circular connector range featuring a snap on locking arrangement. The 12 and 21 way rectangular connectors have a push pull locking, with the 30 way version employing a quick turn locking mechanism.

A key innovation with the Snaptac® connector is in the design of the Hyperspring® spring-loaded contacts, which are designed to protect the electrical interface against extreme environmental conditions. For the first time, Smiths have combined their hyperboloid contact technology with the mechanical features of a spring loaded plunger. This compressible contact arrangement produces mated connectors with improved signal integrity, high reliability and proven parametric stability over time and realises characteristics of very low and stable contact resistance, high current carrying capability and extremely low wear mechanisms.

Hyperspring’s target and chisel blade contact mechanism also provides an inherent self-cleaning wiping action which removes surface contamination and ensures that the connector can’t be damaged by the build-up of surface films. This makes the SnapTac® connector system ideal for dirty and contaminated harsh environments where reliability is paramount, such as in land-based military scenarios where fast and easy mating and un-mating are needed.

The connectors support up to 10,000 mating cycles and are IP67 sealed according to IEC529 when in the mated and unmated condition. They incorporate full 360° EMI shielding, with dust caps available to ensure full EMI shielding and protection when in the unmated condition, providing for high robustness throughout their lifetime. Current rating is 3A per contact at 25°C and operating temperature range is -55°C to +85°C.

Key markets are high reliability military and commercial interconnect applications, such as tactical communications, FCS wearable electronic systems, commercial airframe sensors and auto-sport diagnostics.

 

For a quote or for more information contact Aerco by email or call on +44(0)1403 260206.

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