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Sensors/MEMS??

Platinum temperature sensors promise 'outstanding' stability

Posted: 12 Mar 2008 ?? ?Print Version ?Bookmark and Share

Keywords:sensors? platinum thin-film? temperature measurement?

PTS 0603, PTS 0805, PTS 1206

Vishay Intertechnology Inc. has announced the release of new platinum SMD flat-chip temperature sensors that offer advanced thin-film technology in three standard chip sizes0603, 0805 and 1206. The devices feature short reaction times of 5s (in air) and a temperature range from -55C up to 155C.

Thanks to a highly controlled platinum thin-film manufacturing process, these new Vishay Beyschlag flat-chip sensors promise an outstanding stability of temperature characteristic of <0.04 percent, even in the long term, over a wide temperature range, allowing precise temperature measurements in automotive electronics, industrial electronics, telecommunication systems and medical equipment.

Featuring B and 2B tolerance classes, the devices provide a linear temperature characteristic of +3,850ppm/K, and offer resistance values of 100, 500 and 1k, with other values available on request.

The PTS 0603, PTS 0805 and PTS 1206 sensors support Pb-free soldering and are suitable for processing on automatic SMD assembly systems in large-scale applications using wave, reflow or vapor phase processes. A special coating protects against electrical, mechanical and climatic impacts.

Terminations for the Pb-free devices are pure tin on nickel plating, and the immunity of the plating against tin whisker growth has been proven under extensive testing. The sensors comply with the CEFIC-EECA-EICTA list of legal restrictions on hazardous substances and are tested in accordance with IEC 60751 and IEC 6006.

Samples and production quantities of the new flat-chip temperature sensors are available, with lead times of 10 to 12 weeks for larger orders.




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