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PbS 2 Watt Cooled Photoconductive IR Detectors - A1-7C3T/A1-8C3T

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▪ Fast Response and High Sensitivity
▪ Ambient Temperature: +25°C
▪ Detector Operating Temperature: -35°C
▪ Typical Cooler Power at or near Max. Cooling:: 0.9 volts @ 1.2 amps
▪ Wavelength of Max. Response: typ. 2.5µm
▪ Element Resistance (Dark): 2.0 - 15.0 MegOhm
▪ Time Constant (not typically measured): typ. 1200 µsec

Model Number: A1-7C3T/A1-8C3T
Data Sheet:

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Product Specification

PbS 2 Watt Cooled Photoconductive IR Detectors Introduction
TE Cooled Infrared Detectors with Fast Response and High Sensitivity in the 1 - 3.3µm 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

PbS 2 Watt Cooled Photoconductive IR Detectors 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 Hz^1/2 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

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 Size (mm)	Responsivity (l_pk, 630) v/w		Standard Package Options
Model Number	Element Size (mm)	Minimum	Typical	Standard Package Options
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