The USEQFSEA391180 Air Quality Sensor Flame Sensor Digital SMD is a small, surface-mount device from Kemet. This device integrates a sensing element with a signal-conditioning circuit, which makes it ideal for use in air quality monitoring, flame sensor or other automated applications. It has a highly sensitive sensing element with a wide range of outputs, including digital outputs, to accurately measure and report on various air quality parameters. Its temperature compensation feature ensures stable readings over temperature changes. In addition, its self calibration and built-in reset features make it easy to use and maintain.