Therm-O-Disc > Products > Temperature Sensors

77J

77J thermistor temperature sensors from Therm-O-Disc® offers fast thermal response in a flange-mounted, rugged, cost-effective design.  The body is made from PBT plastic or other customer-specified plastic. The thermistor element can be selected to meet any resistance-temperature curve and tolerance.   The 77J is used in a number of applications including clothes dryers, ventilation systems, and many other applications where fast response in air is required.
Features
  • Surface-mounted ambient air temperature sensing
  • Custom body lengths, diameters and application-specific mountings are available
  • PBT plastic bodies with other materials available
  • Optional moisture protection systems available
  • Stable performance with high degree of accuracy
Specifications
  • Operating Temperature Range: -40°C to +125°C or 200°C depending on construction  (inquire for alternate values)
  • Insulation Strength: standard configuration is UL listed as uninsulated (insulated versions available)
  • Accuracy: 1°C typical (inquire for alternatives)
  • Thermal Time Constant : metal – 1sec; plastic – depends on thickness (13-20 seconds typical in air) (25°C to 100°C)
Applications
  • Air Conditioning
  • Heating
  • Laundry
Agency Ratings
  • UL /CUL