Osram Launches IR LED for Camera Applications

With the new SFH 4715AS and SFH 4716AS Osram Opto Semiconductors has increased the output of its IR Oslon Black family – for the second time in six months. This has been achieved by combining the latest chip design with an optimized package and the Nanostack technology, in which each chip has two emission centers. Depending on the type of external optics and the particular application, the infrared light emitting diodes (IREDs) can provide illumination over a distance of more than 100 meters, which make them even better light sources for many camera-based applications.

Thanks to the high optical output of 1.37 watts (W) at 1 ampere (A) the new IR Oslon Black versions are the most powerful infrared light emitting diodes (IREDs) yet from Osram Opto Semiconductors. The reasons for the increase in output of over 70 percent compared with the standard version include the use of the latest generation of chips, an optimized package design and, most importantly, Nanostack technology which means that each chip has two emission centers.

The new IR Oslon Black versions offer the highest output so far in the product portfolio of Osram Opto Semiconductors. (Source: Osram)

New IR Oslon Black Stack: ideal illumination for surveillance cameras

“After only a brief interval we are now presenting the same component with further improved output. The new Oslon Black Stack generates more light and can therefore provide even better illumination over large distances than the previous versions”, said Dr. Jörg Heerlein, Marketing Infrared at Osram Opto Semiconductors. These power IREDs are the preferred light sources for surveillance cameras. Depending on the type of camera and the number of integrated IREDs, distances of more than 100 meters can be illuminated with infrared light. In addition to their main application in surveillance cameras, the IREDs are also suitable for many other industrial camera based applications. For example, they are used in 3D process control cameras to determine the distance from an object by measuring the propagation time.

The package dimensions of the Oslon Black Stack remain unchanged at 3.85 mm x 3.85 mm x 2.29 mm or 1.51 mm. There is also still a choice between beam angles of 90 and 150 degrees for the new components, which means that replacement is straightforward.

You can find more information on the IRED Oslon family on the internet.

Technical data for SFH 4715AS/SFH 4716AS:

Package size

3.85 mm x 3.85 mm x 2.29 mm / 3.85 mm x 3.85 mm x 1.51 mm

Optical output at 1 A

1.37 W

Centroid wavelength

850 nm

Efficiency

typically 43 %

Thermal resistance

max. 9 K/W

Beam angle

90° / 150°

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