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October, 2016


www.us-tech.com


Page 59 Industrial USB Connectors: Universal at Last? Continued from page 57


around. The C-type plug no longer has a single direction. Developers of consumer electronics are not the only ones who want their users to benefit from this quicker and simpler han- dling.


With 10 Gbps, 100W of power


and simple handling, USB 3.1 is open to a broad range of industrial applications. USB is now positioned to replace technologies that are com- plicated to use, such as PCIe and Thunderbolt, and now can do so at a reduced production cost.


High-Quality Still Required The conceivable deployment


scenarios for USB truly are univer- sal. One connector is a single solu- tion for many different require- ments, such as data exchange, power supply, video content and networks, but also as a replacement for D-Sub and HDMI, as well as modular sock- ets. Examples for typical applica- tions include external hard disks and servers, medical applications with integrated monitors, industry appli- cations that require data backup, smartphones and all portable devices like sensors, power banks and small monitors.


However, even with the extend-


ed technical possibilities, the basic conditions for industrial use still need to be observed. For an industri- al USB application, the issue of EMC protection is important and has to be addressed credibly in the applica- tions. Those who do not want to risk the reliability of their application should not try to economize too much on materials and instead integrate high-quality modules. For example, one of the details


that distinguishes the high-quality connector is its optimized connection angle. If the connection angle is greater than 40°, the contacts could be damaged on inserting the connec-


 with the VisionX-Series


USB 3.1 C-type socket.


10,000 plug cycles, they are well- suited for devices that are designed to last longer than short-lived con- sumer products.


What’s Next for USB 3.1? The consumer market is


dynamically developing applications for USB 3.1. Today, many manufac-


turers of smartphones use USB 3.1 C-type in place of USB 2.0 or Micro USB 3.0 B-type. Connector produc- ers expect industrial companies to follow suit within a year, once devel- opment teams have evaluated their requirements and possible con- straints on the use of the technology. For applications with special requirements for high-quality mate- rial and clean EMC solutions, USB 3.1 is true progress. Contact: Würth Elektronik


eiSos GmbH & Co. KG, Max-Eyth- Strasse 1, 74638 Waldenburg, Germany % +49-7942-945-5186 E- mail: sarah.hurst@we-online.de Web: www.we-online.de r


USB 3.1 connector: the end of trial-and-error insertion.


tor. In theory, connectors have a chamfer of 30° in order to limit this risk. In practice this chamfer is not always integrated, so low-cost con- nectors can damage the customer’s end application, which can lead to complaints, service costs and the risk of suffering a damaged reputation — all because of a USB socket. The sockets on the market


therefore have to be designed so that they are also suitable for non-compli- ant connectors. USB 3.1 modules with im -


proved shielding and increased coat- ing thickness of the contact surfaces to avoid high mechanical loads are the way forward, but are expensive, of course. But, with a durability of


08:10:27


VisionX-Series Convection Soldering


For more information visit or call + 1 770 442 8913


       


 energy balance


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