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Flat chip temperature sensors boost thermal cycling

Posted: 03 Jul 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Flat chip temperature sensors?

Vishay Intertechnology has released an AEC-Q200-qualified version of its platinum SMD flat chip temperature sensors. The Beyschlag PTS AT series devices combine enhanced thermal cycling performance with operating temperatures up to 175∼C, ideal for accurate and stable temperature sensing in automotive, space and industrial electronics.

The sensors offer stability of temperature of less than or equal to 0.1 per cent after 1,000 hours, ensuring precise and reliable operation even under harsh conditions. Typical applications for the devices include A/T controllers, oil quality/level sensor modules and ARS controllers.

 Beyschlag PTS AT

The PTS AT series sensors offer resistance values of 100次 and 500次 in the 0805 size and 100次, 500次 and 1k次 in the 1206 size; F0.3 and F0.6 tolerance classes; and a near linear temperature characteristic of 3,850ppm/K. The devices feature short reaction times down to less than or less than or equal to 3s (in air) and a wide operating temperature range from -55∼C to 175∼C.

The sensors support lead-free soldering and are suitable for processing on automatic SMD assembly systems using wave, reflow or vapour phase processes in accordance with IEC61760-1. A special coating provides electrical, mechanical and climatic protection.

Terminations for the lead-free devices are pure tin on nickel plating, and the immunity of the plating against tin whisker growth has been proved under extensive testing. The RoHS-compliant sensors comply with the CEFIC-EECA-EICTA list of legal restrictions on hazardous substances and are tested in accordance with IEC 60751, IEC 60068 and AEC-Q200 standards.

Samples and production quantities of the PTS AT series sensors are available now, with lead times of 10 weeks for larger orders.

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