PbSe BXT2S Series Lead selenide Infrared Detectors Specs

Ambient Temperature:	+25°C
Detector Operating Temperature	-50°C
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 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	4.3	4.5		µm
D*(500K, 1000 Hz, 1Hz)	2.9 x 10⁹	5.2 x 10⁹		cm Hz^1/2 w^-1
D*( l_pk, 1000 Hz, 1 Hz)	2.0 x 10¹⁰	3.5 x 10¹⁰		cm Hz^1/2 w^-1
Element Resistance (Dark)	1.0	6.0	20.0	Megohms/
Time Constant (not measured)		12	25	µsec
Rated Element Temperature			+55	°C
DT@/or near Max. Cooling	Scroll to see chart below			°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, 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		Operating Temp	Standard Package Options
Model Number	Element Size (mm)	Minimum	Typical	Operating Temp	Standard Package Options
BXT2S-1( )	1 x 1	100000	150000	-50ºC	TO-66, TO-8
BXT2S-2( )	2 x 2	50000	75000	-50ºC	TO-66, TO-8
BXT2S-3( )	3 x 3	33000	50000	-45ºC	TO-66, TO-8
BXT2S-4( )	4 x 4	25000	37500	-40ºC	TO-66, TO-8
BXT2S-5( )*	5 x 5	20000	30000	-35ºC	TO-66, TO-8
BXT2S-6( )*	6 x 6	16500	25000	-25ºC	TO-66, TO-8
* Minimum D*( l_pk, 1000, 1) >1.5 x 10¹⁰ cm Hz^1/2 w^-1