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SCD-13
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AT2S Series - Two Stage (2.5W)
TE Cooled SCD-13 Detectors

Ambient Temperature: +25°C
Detector Operating Temperature See model types below
Typical Cooler Power @/or near Max. Cooling: 1.8 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 2.6 2.7   µm
D*(500K, 650 Hz, 1Hz) 2.2 x 109 3.3 x 109   cm Hz1/2 w-1
D*(lpk, 650 Hz, 1 Hz) 2.0 x 1011 3.0 x 1011   cm Hz1/2 w-1
Element Resistance (Dark) 3.0 6.0 20.0 Megohms/PbS Two Stage 2.5w
Time Constant (not measured)   1750 3500 µsec
Rated Element Temperature     +65 °C
DT@/or near Max. Cooling 70 75   °C

For square or rectangular element sizes and/or packages not listed, please contact our application engineers,  phone (707) 303-3837, or fax (707) 545-5113.

When using the table below, remove parenthesis and insert appropriate designation for package type in this space: Example: 6 for TO-66, 8 for TO-8.

Model
Number
Element Size
(mm)
Responsivity
(lpk, 650) vw-1
Operating Temp Standard Package
Options
Minimum Typical
AT2S-1( ) 1 x 1 1.4 x 106 2.1 x 106 -50°C TO-66, TO-8
AT2S-2( ) 2 x 2 7.0 x 105 1.1 x 106 -50°C TO-66, TO-8
AT2S-3( ) 3 x 3 4.3 x 105 6.5 x 105 -45°C TO-66, TO-8
AT2S-4( ) 4 x 4 3.3 x 105 5.0 x 105 -40°C TO-66, TO-8
AT2S-5( )* 5 x 5 2.7 x 105 4.0 x 105 -35°C TO-66, TO-8
AT2S-6( )* 6 x 6 2.4 x 105 3.6 x 105 -25°C TO-66, TO-8
* Minimum D*(lpk, 650, 1) >1.0x1011 cm Hz1/2 w-1
  • To specify thermistor option for all TE cooled detectors, add the suffix -T or -TC (calibrated) to the model number.