The USEQFCSA550100 is an infrared detector 5.0um longpass analog manufactured by Kemet. It is a surface mount, planar type device, designed to detect signals in the infrared spectrum. It has a 5V supply, and an output that is either NPN or PNP, depending on the device’s orientation. The USEQFCSA550100 is suitable for applications requiring sensing of temperatures, presence of objects, facial recognition and remote control operations. It is housed in a plastic package, and is RoHS compliant.