A thin film-based thermopile with a 1.0mm diameter active area with good signal-to-noise ratio in a TO-5 package and a moderate time constant of 32ms with Argon encapsulation gas.
Excellent for non-contact temperature measurement.
Small active area with good signal-to-noise ratio.
1M Detector circuit overlay
1M Thermopile Detector
For more detailed information see the datasheet:
| Parameter | Min | Typical | Max | Symbol | Units | Comments |
|---|---|---|---|---|---|---|
| Active Area size | Ø1mm Dia. | AA | mm | Hot junction size, per element. | ||
| Element Area | .785 | A | mm2 | |||
| Number of Junctions | 15 | Per element. | ||||
| Number of Channels | 1 | Per detector package. | ||||
| Output Voltage | 50 | 60 | 80 | Vs | μV | DC, H=330μW/cm2 (3) |
| Signal-to-Noise Ratio | 6,173 | 8,571 | 14,035 | SNR | √Hz | DC, SNR=Vs/Vn |
| Responsivity | 19.3 | 23.2 | 30.9 |  |
V/W | DC, =Vs/HA (2) |
| Resistance | 2.0 | 3.0 | 4.0 | R | kΩ | Detector element |
| Temperature Coefficient of |
-.36 | %/°C | Best linear fit, 0° to 85°C (1) | |||
| Temperature Coefficient of R | -.2 | %/°C | Best fit, 0° to 85°C (1) | |||
| Noise Voltage | 5.7 | 7.0 | 8.1 | Vn | nV/√Hz | Vn2=4kTR |
| Noise Equivalent Power | .19 | .30 | .42 | NEP | nW/√Hz | DC, NEP= VnHA/Vs (2) |
| Detectivity | 2.1 | 2.9 | 4.8 | D* | 108√Hz/W | DC, D*=Vs/ VnH√A (2) |
| Time Constant | 32 | Τ | ms | Chopped, -3dB point (1) | ||
| Field of View | 56°/85° | FOV | Degrees | See Assembly Drawings for FOV Description. | ||
| Package Type | TO-5 | Standard package hole size:Ø.080 | ||||
| Operating Temperature | -50 | 100 | Ta | °C | ||
Flat spectral response from 100nm to > 100µm. Linear signal output from 10-6 to 0.1W/cm2.
Maximum incident radiance 0.1W/cm2 , damage threshold ≥ .5W/cm2
(1) Parameter is not 100% tested. 90% of all units meet these specifications.
(2) A is detector area in cm2.
(3)Test Conditions: 500K Blackbody source; Detector active surface 10cm from 0.6513cm Diameter Blackbody Aperture.