Parameter	Min	Typical	Max	Symbol	Units	Comments
Active Area size		.25 x .25		AA	mm	Hot junction size, per element.
Number of Junctions		20				Per element.
Output Voltage		24		Vs	μV	DC, H=330μW/cm2 (3)
Responsivity		111.5			V/W	DC, =Vs/HA (2)
Temperature Coefficient of		-.04			%/°C	Best linear fit, 0° to 85°C (1)
Noise Voltage	17.2	19.4	21.4	Vn	nV/√Hz	Vn2=4kTR
Detectivity		1.44		D*	108√Hz/W	DC, D*=Vs/ VnH√A (2)
Field of View		88°/103°		FOV	Degrees	See Assembly Drawings for FOV Description.
Operating Temperature	-50		100	Ta	°C

General Specifications:

Flat spectral response from 100nm to > 100µm. Linear signal output from 10^-6 to 0.1W/cm².
Maximum incident radiance 0.1W/cm² , damage threshold ≥ .5W/cm²Notes:
(1) Parameter is not 100% tested. 90% of all units meet these specifications.
(2) A is detector area in cm².
(3)Test Conditions: 500K Blackbody source; Detector active surface 10cm from 0.6513cm Diameter Blackbody Aperture.* Protected by U.S. Patent No. 5, 059,543 and U.S. Patent No. 5,100,479

Specifications apply at 23°C with KBr Window and Argon encapsulating gas.