With an integrated lens, Osram’s new IR LED SFH 4236 exceeds the radiant intensity of the standard IR Dragon SFH 4232 by more than a factor of three. This new, powerful device has a very small form factor and adds depth to the well-known IR Dragon family. The integrated lens concentrates the emitted IR light within a viewing angle of ±20°.
The new IR Dragon is well suited for applications with limited board space that require narrow radiation characteristics.
Up until now, a narrow beam angle was only possible with the use of external lenses. The SFH 4236 provides higher radiant intensity, and with its integrated lens, does not require a complex, expensive external lens assembly.
The IR LED emits at a wavelength of 850 nm and is the best compromise between maximum spectral sensitivity for CCD and CMOS cameras and suppressed visibility for the human eye. Ideal applications for this new device are camera-based vision systems for the industrial and security sector, as well as various applications in the automotive sector. Examples of automotive applications include driver and passenger monitoring systems for cars and trucks and blind spot detection systems.
