The document describes the features and characteristics of the SFH 4289 GaAlAs-IR-Lumineszenzdiode GaAlAs Infrared Emitter, including high efficiency, good linearity, high reliability, and high pulse handling capability.
The SFH 4289 is a GaAlAs infrared emitter with a TOPLED lens, offering high efficiency, good linearity at high currents, and robust pulse handling. It is suited for miniature photointerrupters, industrial electronics, automotive and sensor applications, and can be mounted on surface‑mount technology.
The document lists maximum ratings, electrical characteristics, package dimensions, and recommended solder‑pad designs and reflow profiles. It also includes thermal resistance data and packaging options for tape and reel handling. This manual is written in German.
A pad size larger than 16 mm² is recommended for improved heat dissipation.