850nm IR diode illuminates camera surveillance

Infrared short- to mid-range lighting systems are the target application for the SFH 4713A. To create its new IRED, Osram transferred the high-performance technology behind its Oslon Black, with an optical output of over 1W, to the mid-range power class of approximately 760mW, rounding off its portfolio. Currently this IRED is available with a beam angle of 90°.

The IREDs are the result of advances in chip and package technology - developments that enabled Osram, less than a year ago, to engineer an Oslon Black with unprecedented electro-optical efficiency. The SFH 4713A now makes these advances available in the mid-range power classes as well.

Rajeev Thakur, IR Product Marketing Manager, Osram Opto Semiconductors, explains: “With this new version of the Oslon Black, our customers can use the same designs they did before for high-end, long-range applications to engineer systems with mid- to short-ranges, all while cutting costs.”

The high-efficiency IRED offers an optical output of 760mW at a current of 1A. Two to five IREDs are typically adequate for achieving ranges between 10 and 50m. Due in part to the smaller chip size, the IRED is a lower-cost alternative to Osram’s SFH 4715A for systems with mid-range output requirements.

In autumn 2015, another variant - the SFH 4714A, with a beam angle of 150° and an optical output of 720mW - will complement the SFH 4713A. These new components close the gap between the extremely small Oslon Compact, with 270mW at 0.5A, and the high-output Oslon Black versions with optical outputs of more than 1.135W at 1.5A. The result is a product portfolio of high-efficiency 850nm IREDs that serves the entire spectrum of infrared lighting applications and output requirements.