PbS 2 Watt Cooled Photoconductive IR Detectors

TE Cooled Infrared Detectors with Fast Response and High Sensitivity in the 1 – 3.3 um Wavelength Band
Ambient Temperature: +25°C
Detector Operating Temperature -35°C
Typical Cooler Power at or near Max. Cooling: 0.9 volts @ 1.2 amps
Standard Specifications – Electrical
All detector specifications are at a bias voltage of 50 V/mm distance between electrodes applied across the detector and with a one MegOhm load resistor in series. All specifications apply at or near maximum cooling with the heat sink @ +25°C.
  Minimum Typical Maximum Units
Wavelength of Max. Response 2.4 2.5   µm
D*(λpk, 630 Hz, 1 Hz) 1.0 x 1011 1.5 x 1011   cm Hz1/2 w-1
Element Resistance (Dark) 2.0 3.0 15.0 MegOhm
Time Constant (not typically measured)   1200 2500 µsec
Rated Element Temperature     +65 °C
Delta T at or near Max. Cooling 55 60   °C

For square or rectangular element sizes and/or packages not listed, please contact us: (707) 620-0160, Info@irmatl.com
When using the table below, remove parenthesis and insert appropriate designation for package type in the space. Example: 7 for TO-37, 8 for TO-8.

Model Number Element
Responsivity (lpk, 630) v/w Standard Package Options
Minimum Typical
A1-( )C3T 1 x 1 1,300,000 2,000,000 TO-37, TO-8
A2-( )C3T 2 x 2 660,000 1,000,000 TO-37, TO-8
A3-( )C3T 3 x 3 430,000 640,000 TO-37, TO-8
  • To specify thermistor option for all TE cooled detectors, add the suffix -T or -TC (calibrated) to the model number.

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