
SENSOR PHOTO 880NM TOP VIEW 2SMD
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The SMD2440-002, manufactured by Honeywell, is a silicon NPN phototransistor designed for sensing infrared (IR) radiation centered around 880nm. It is packaged in a 2-SMD (Surface Mount Device) package for automated assembly. The device features a top-viewing optical axis, meaning the sensitive area is oriented towards the top surface of the package. The phototransistor exhibits a spectral response optimized for 880nm IR emitters commonly used in proximity sensing, object detection, and optical communication applications. Electrical characteristics include a collector-emitter saturation voltage (VCE(sat)) dependent on collector current and base drive, a dark current (ICEO) specification at a given VCE, and a collector-emitter breakdown voltage (VCEO) rating. The device’s performance is also characterized by its collector current (IC) response to incident IR irradiance at the specified wavelength and operating conditions, which is crucial for determining sensitivity and range in application circuits.