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New Jumo Sensor For High Temperatures Up To 250 °C Now Available From Asstech

28th July 2016

  

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Jumo SMD  (0.06 MB)

Platinum SMD chip temperature sensors from Jumo have, in the past, operated in maximum temperatures of 150 °C. New design features, combined with innovative technology for producing all-round solder contacts, allows the new Jumo SMD 0805 to be used at higher temperatures of up to 250 °C.

This means significantly improved performance and reliability, long term stability, operating temperature and thermal-shock resistance with an almost unlimited storage life.

In the new Jumo SMD 0805, the platinum structure of the measuring shunt is covered by an annealed high-temperature glass layer. The sensor has optimum protection against environmental influences and is stable up to temperatures of 250 °C. The sensor can also be used in applications such as heaters, infrared radiators or for calorimetric measurements.

The all-round contact consists of a high purity, completely tight nickel gold sandwich layer which is produced using a process developed in-house at Jumo. Reflow soldering is possible with lead-free SAC solder and with solder that has a high lead content. The result is the capacity to be used in an expanded temperature range of between -70 and +250 °C. The excellent quality of the metal layers – completely free of phosphorous and other impunities – allow clean inter-metallic phases to be formed during soldering. Other joining techniques such as conductive adhesion can also be used.

Edited by Creamer Media Reporter

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