Products

Thermopiles

Thermopiles Thermistor sensor

Thermopiles are IR temperature sensors that fully utilize SEMITEC original silicon-micromachining technology. SEMITEC’S thermopiles are fully compliant with RoHS DIRECTIVE2011/65/EU.

  • High sensitivity and accurate temperature detection
  • Compact and reliable design
  • Non-contact temperature measurement

Application

Ear thermometers, IR thermometers, Microwave ovens and other Non-Contact temperature sensing applications.

Dimension

Thermopiles Dimension

Circuit Diagram

Thermopiles Circuit Diagram

Rating

Parameter Value Conditions
Sensitive Area 1.05 x 1.05 mm Size of absorbing film
Output Voltage1 200 μV ± 30% -
Output voltage2 1.00 mV ± 30% -
Thermopile resistance 65kΩ ± 30% Resistance value at 25oC
Time constant 15 ms Typical
Operating temperature range -20 to 100oC -
Storage temperature range -40 to 100oC -
Field of view ± 50o Incident angle to achieve 50% responsivity
Filter range Cut on 5 μM -
Thermistor resistance value 100 kΩ ± 3% Rated zero-power resistance value at 25o
Thermistor B value 3435 K ± 0.7% B value calculated from rated zero-
power resistance at 25oC and 85oC

1. Rated zero-power resistance at each temperature

2. B value calculated from rated zero-power resistance at each temperature

3. If your application requires other tolerance values please contact SEMITEC sales staff.

4. Time required to reach 63.2% of temperature difference. Measured with sensor suspended in mid-air.