Thermopiles are IR temperature sensors that fully utilize SEMITEC original silicon-micromachining technology. SEMITEC’S thermopiles are fully compliant with RoHS DIRECTIVE2011/65/EU.
Ear thermometers, IR thermometers, microwave ovens and other non-contact temperature sensing applications.
| Parameters | Value | Unit | Conditions |
|---|---|---|---|
| Sensitive area | 1.05×1.05 | mm2 | Size of Absorbing Film |
| Responsivity | 15±30% | V／W | |
| Output Voltage1 | 200±30% | μV | |
| Output Voltage2 | 1.00±30% | mV | |
| Temperature Coefficient of Responsivity1 | 0.02±0.02 | %／℃ | Reference |
| Thermopile Resistance |
65±30% | kΩ | |
| Temperature Coefficient of Thermopile Resistance | ±0.1 | %／℃ | |
| Johnson Noise Voltage | 33 | nV／√Hz | Johnson Noise r.m.s.,298K,1Hz Typical |
| S/N Ratio1 | 75.7 | dB | Output Voltage / Johnson Noise,Typical |
| Noise Equivalent Power1 | 2.2 | nW／Hz1/2 | Typical |
| Specific Detectivity1 | 4.7×107 | cm･Hz1/2／W | Typical |
| Time Constant | 15 | ms | Typical |
| Operating Temperature Range | -20〜100 | ℃ | |
| Storage Temperature Range | -40〜100 | ℃ | |
| Filter Range | Cut on 5 | μm | Standard |
| Field of Vieｗ | ±50 | deg. | Incident Angle to Achive 50% Responsivity |
| Insulation Resistance | ≧500 | MΩ | Application of DC25V |
| Sealing | ≦1×10-9 | Pa･m3／s | |
| Thermistor Resistance Value | 100＋3% | kΩ | Rated zero-power resistance Value at25℃ |
| Thermistor B-Value | 3435±0.7% | K | Determined by rated zero-power resistance value at25℃ and 85℃ Variation within same Lot. ±0.2% |
1. Test Conditions
Sensor - Blackbody Distance: 100mm
Sensor Temperature: 298K
Aperture Size: φ12.7mm
2. Test Conditions
Blackbody Furnace：310K
Sensor Temperature: 298K