Features A four-channel silicon-based thermopile detector in a TO-8 package. Each active area size is 1.5mm x 1.5mm. Affordable four-channel design with strong output and a very low Temperature Coefficient of Responsivity of -0.04%\/°C. This detector has a very short thermal shock response to ambient temperature change.","Applications Gas analysis for automotive exhaust and laser targeting.","Benefit Low price and reasonably high output with moderate signal-to-noise ratio.