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Best in Class Chip Limit Temperature Sensors

EPCOS Superior Series SMD PTC Thermistors for limit temperature measurement are available in case sizes 0805, 0603, and 0402. Compared to the standard series, EPCOS Superior thermistors employ a more homogeneous ceramic material that enables them to exhibit excellent performance in reliability tests and be reflow and wave-soldered at temperatures of up to 280 ºC. These EPCOS SMD PTC thermistors are qualified based on AEC-Q200 Rev-C and satisfy the rigorous requirements for use in automotive applications involving frequent and rapid temperature changes. The B59721A in case size 0805 has response temperatures from 70 to 130 °C in steps of 10K. Their rated resistance is 680Ω. The response temperatures of the B59641A (0603) and B59421A (0402) are from 75 to 145 ºC and 75 to 135 ºC respectively, also in steps of 10K. The rated resistance of these components is 470Ω.

• Qualification based on AEC-Q200 rev. C
  
• Suitable for reflow and wave soldering (up to 280°C)
  
• Fast and reliable response
  
• RoHS-compatible
  
• UL approval to UL1434 expected 2010
  
• Wide range of temperatures between 70 and 145 °C in steps of 10 K

• Over-temperature protection of power components
  
• DC/DC converters
  
• SMPS
  
• Notebooks
  
• Home appliances
  
• Dimmers