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PbSe 3 Watt Cooled Photoconductive IR Detectors - B1-6C4T/B1-8C4T

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▪ Ambient Temperature: +25°C
▪ Typical Cooler Power at or near Max. Cooling: 1.8 volts @ 1.2 amps
▪ Wavelength of Max. Response: typ. 4.5µm
▪ Element Resistance (Dark): 1.0 - 20.0 MegOhm
▪ Time Constant (not typically measured): typ. 12µsec
▪ Rated Element Temperature: +85 °C

Model Number: B1-6C4T/B1-8C4T
Data Sheet:

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Product Specification

PbSe 3 Watt Cooled Photoconductive IR Detectors
TE Cooled Infrared Detectors with Fast Response and Ultra-High Sensitivity in the 1 - 5.5µm Wavelength Band.

Ambient Temperature:	+25°C
Detector Operating Temperature:	see model types below
Typical Cooler Power at or near Max. Cooling:	1.8 volts @ 1.2 amps

Standard Specifications – Electrical
All detector specifications are at a bias voltage of 35 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	4.3	4.5		µm
*D(λpk, 1050 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	MegOhm
Time Constant (not typically measured)		12	25	µsec
Rated Element Temperature			+85	°C
Delta T at or near Max. Cooling		SEE BELOW		°C

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

Model Number	Element Size(mm)	Responsivity (l_pk, 1050) v/w		Operating Temp	Standard Package Options
Model Number	Element Size(mm)	Minimum	Typical	Operating Temp	Standard Package Options
B1-( )C4T	1 x 1	126,000	190,000	-50°C	TO-66, TO-8
B2-( )C4T	2 x 2	63,000	95,000	-50°C	TO-66, TO-8
B3-( )C4T	3 x 3	38,000	56,000	-45°C	TO-66, TO-8
B6-( )C2T	6 x 6	18,000	27,000	-25°C	TO-66, TO-8
* Minimum D(l_pk, 1050, 1) >1.5 x 10¹⁰ cm Hz^1/2 w^-1