Osram Opto Semiconductors has launched the Oslon Black SFH 4713A, an infrared LED with an 850 nm wavelength. The company says it is perfect for security applications such as camera-surveillance of bank entrances, public spaces, and company premises, and shopping centers. Unlike previously introduced Oslon Black high-flux IREDs that Osram Opto designed to have a range of up to one hundred meters, the SFH 4713A supports designs for short- to mid-range illumination from 10 to 50 meters. Osram says it transferred the high-performance technology of the Oslon Black, with its optical output of over 1 watt (W), to the mid-range power classes of about 760 mW. The new IRED, which is available with a 90-degree beam angle, rounds off Osram Opto’s portfolio.
Osram Opto says that the company’s advances in chip and packaging technology have gone into the new IREDs. The company asserts that the technology advances have enabled the new IREDs that it introduced less than a year ago to have unprecedented electro-optical efficiency. Osram Opto Semiconductors contends that the SFH 4713A now makes these technology advances available with mid-range power.
“With this new version of the Oslon Black, our customers can use the same designs they did before for high-end, long-range applications, engineer systems with mid- to short-ranges and cut costs at the same time,” explained Dr. Jörg Heerlein, senior manager product marketing at Osram Opto Semiconductors.
At a current of 1 amp, the new IRED provides an optical output of 760 milliwatts. According to the company, just two to five of these mid-power IREDs typically are adequate for achieving ranges between 10 and 50 meters. The company contends that in part the smaller size helps make the new IRED a lower-cost alternative to the SFH 4715A for systems needing mid-range output. Beginning in Fall 2015, the 720 milliwatts output SFH 4714A with a beam angle of 150° will complement the existing version. Both components close the gap between the very small Oslon Compact, with an output of 270 mW at 0.5 A, and the high-output Oslon Black that boasts an optical output of over 1,135 mW at 1.5 A.
