Thermopile Selection Guide

The guide below is designed to help you quickly focus in on exactly what you need. If you don't see what you're looking for below, Dexter Research Center also designs custom thermopile detectors and modules in addition to our standard product line. Our expertise can help you achieve the best system design for your applications.

Single Channel Detectors by Configuration

Thermopile Model# of ChannelsThermopile TechnologyPackage SizeActive Area Size (mm)Output Voltage (μV)Signal to Noise RatioResistance (kΩ)Time Constant (ms)Thermistor OptionOptional Internal Aperture
S25 TO-18 1 Silicon TO-18 .25 x .25 23 1,186 23 16 External Yes
S25 TO-5 1 Silicon TO-5 .25 x .25 40 2,062 23 18 External Yes
M5 1 Thin Film TO-5 0.5 Dia 35 5,000 3 28 External Yes
S60M TO-18 1 Silicon TO-18 .6 x .6 89 2,320 90 18 External Yes
S60M-TO-5 1 Silicon TO-5 .6 x .6 120 3,125 90 27 External Yes
M14 1 Thin Film TO-18 .92 x .4 20 2,857 3 14 External Yes
ST60 TO-18 1 Silicon TO-18 .61 x .61 100 3,193 60 18 Internal No
ST60 TO-5 1 Silicon TO-5 .61 x .61 110 3,513 60 18 Internal Yes
ST60 Diffractive Lens 1 Silicon TO-5 .61 x .61 295 9,425 60 18 Internal Yes
ST60 LCC 1 Silicon LCC .61 x .61 62 1,981 60 18 Internal No
ST60 High Temperature 1 Silicon TO-5 .61 x .61 27 865 60 18 Internal No
1M 1 Thin Film TO-5 1.0 Dia 60 8,571 3 32 External Yes
1SC Compensated 1 Thin Film TO-5 1.0 x 1.0 48 3,582 11 48 External Yes
M34 1 Thin Film TO-5 3.16 x .4 115 10,088 8 38 External No
DR34 Compensated 1 Thin Film TO-5 3.16 x .4 115 7,099 16 38 External Yes
ST120 1 Silicon TO-5 1.2 x 1.2 190 4,953 90 25 Internal Yes
ST150 1 Silicon TO-5 1.5 x 1.5 295 8,159 80 37 Internal Yes
ST150 Diffractive Lens 1 Silicon TO-5 1.5 x 1.5 325 9,286 90 38 Internal Yes
DR46 Compensated 1 Thin Film TO-8 4 x .6 210 11,602 20 40 External Standard
2M 1 Thin Film TO-5 2 x 2 250 19,531 10 85 Internal Yes
3M 1 Thin Film TO-8 3 x 3 440 25,581 18 100 External No
6M 1 Thin Film TO-8 6.0 Dia 440 18,317 25 108 Internal No

Multi-Channel Detectors by Configuration

Thermopile Model# of ChannelsThermopile TechnologyPackage SizeActive Area Size (mm)Output Voltage (μV)Signal to Noise RatioResistance (kΩ)Time Constant (ms)Thermistor OptionOptional Internal Aperture
ST60 Dual 2 Silicon TO-5 .61 x .61 62 1,981 60 18 Internal No
DR26 2 Thin Film TO-5 2 x .6 54 5,684 5.5 38 External No
DR34 2 Thin Film TO-5 3.16 x .4 115 10,088 8 38 External Standard
ST120 Dual 2 Silicon TO-5 1.2 x 1.2 165 4,301 90 25 Internal No
ST150 Dual 2 Silicon TO-5 1.5 x 1.5 230 5,990 90 38 Internal No
DR46 2 Thin Film TO-8 4 x .6 210 16,406 10 40 External Standard
TM34 3 Thin Film TO-8 3.16 x .4 115 10,088 8 38 Internal Standard
T34 Compensated 3 Thin Film TO-8 3.16 x .4 115 7,099 16 38 Internal Standard
ST60 Quad 4 Silicon TO-5 .61 x .61 62 1,981 60 18 Internal No
ST120 Quad 4 Silicon TO-5 1.2 x 1.2 140 3,649 90 25 Internal No
ST150 Quad 4 Silicon TO-8 1.5 x 1.5 230 5,990 90 38 Internal No
2M Quad 4 Thin Film TO-8 2 x 2 250 19,531 10 85 Internal Standard
10 Channel 10 Thin Film TO-8 3.16 x .4 115 10,088 8 38 Internal Standard

Digital Solutions

Digital Detectors

Thermopile Model# of ChannelsThermopile TechnologyPackage SizeActive Area Size (mm)Supply Voltage (v)Digital Output (counts)Temperature Sensor (counts)
ST60 Digital 1 Silicon TO-5 .61 x .61 3 or 5 770 6670
ST60 Digital Dual 2 Silicon TO-5 .61 x .61 3 or 5 608 6670
ST120 Digital Dual 2 Silicon TO-5 1.2 x 1.2 3 or 5 970 6670

Temperature Sensor Modules

Temperature Sensor ModelCompensating ElementThermopile TechnologyPackage SizeActive Area Size (mm)Supply Voltage (v)Field of ViewObject Temp Range
MD-0003 N Silicon TO-5 .61 x .61 5 70° -70C to 380C
MD-0005 Y Silicon TO-5 .61 x .61 5 35° -70C to 380C
MD-0006 N Silicon TO-5 .61 x .61 3 70° -70C to 380C
MD-0007 Y Silicon TO-5 .61 x .61 3 35° -70C to 380C
MD-0008 N Silicon TO-5 .61 x .61 3 70° 0C to 100C

Array Detectors by Configuration

Thermopile Model# of ChannelsThermopile TechnologyPackage SizeActive Area Size (mm)Output Voltage (μV)Signal to Noise RatioResistance (kΩ)Time Constant (ms)Thermistor OptionOptional Internal Aperture
SLA32 2 x 16 Silicon 0.97" x 1.27" DIP .05 x .65 14.8 423 76 7 Internal No
SLA64 1 x 64 Silicon 1.59" x 1.85" DIP .45 x 2 318 908 75 42 Internal No
Notes:

Note 1: All detectors are available with Ne, N2, Ar or Xe encapsulation gas. Exceptions are ST60LCC, SLA32 and SLA64 which come with N2
Note 2: Other package hole sizes are available for single element detectors. Please contact us for details.

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