PbSe BXT2 Series Lead Selendide Infrared Detectors Specs

Ambient Temperature:	+25°C
Detector Operating Temperature	-35°C
Typical Cooler Power @/or near Max. Cooling:	0.9 volts @1.2 amps

Standard Specifications - Electrical All detector specifications are at a bias voltage of 25 V/mm distance between electrodes applied across the detector and with a 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	4.1	4.3		µm
D*(500K, 1000 Hz, 1Hz)	2.2 x 10⁹	4.2 x 10⁹		cm Hz^1/2 w^-1
D*( l_pk, 1000 Hz, 1 Hz)	1.6 x 10¹⁰	3.0 x 10¹⁰		cm Hz^1/2 w^-1
Element Resistance (Dark)	1.0	5.0	15.0	Megohms/
Time Constant (not measured)		9	20	µsec
Rated Element Temperature			+55	°C
DT@/or near Max. Cooling	55	60		°C

For square or rectangular element sizes and/or packages not listed, please contact our application engineers, phone (707) 545-4181, or fax (707) 545-5113.

When using the table below, remove parenthesis and insert appropriate designation for package type in this space. 6 for TO-66, 7 for TO-37, 8 for TO-8.

To specify thermistor option for all TE cooled detectors, add the suffix -T or -TC (calibrated) to the model number.

Model Number	Element Size (mm)	Responsivity (l_pk, 1000) vw-1		Standard Package Options
Model Number	Element Size (mm)	Minimum	Typical	Standard Package Options
BXT2-1( )	1 x 1	66000	100000	TO-37,TO-8
BXT2-2( )	2 x 2	33000	50000	TO-37,TO-8
BXT2-3( )	3 x 3	22000	33000	TO-37,TO-8
BXT2-4( )	4 x 4	16000	25000	TO-8