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23 January 2014

Osram launches small mid-power IR LED for industrial and machine vision applications

Osram Opto Semiconductors GmbH of Regensburg, Germany says that its new Oslon Compact SFH 4710 infrared light-emitting diode (IRED) closes the gap between high-power and low-power IREDs. Offering high output in a very small package (barely larger than the chip itself), it can be used for applications such as surveillance, digital image processing, 3D measurement, pattern recognition and gesture detection.

The SFH 4710 has been designed specifically for industrial applications. As a mid-power LED with typical optical output of 270mW from an operating current of 500mA, it offers an output range midway between Osram’s Power TopLED and Oslon Black IREDs, rounding out the firm’s IRED product range.

Osram OsionPicture: Osram’s Oslon Compact SFH 4710 LED.

The new IRED includes a small but powerful chip with an edge length of 750µm – half the footprint of standard chips in the Oslon Black family. With package dimensions of 1.6mm x 1.2mm x 0.8mm, the Oslon Compact LED is claimed to be one of the smallest IREDs in its output class.

“Our new Oslon Compact has excellent heat dissipation properties and can operate at high currents,” claims IR product marketing manager Sevugan Nagappan. “The high output is made possible with state-of-the-art thin-film chip technology and, combined with the small package, opens up numerous new applications, particularly where there is very little available space but performance demands are high,” he adds. “If required, components can be packed very close together to increase the optical output with a high degree of flexibility.”

The infrared LED has an emission angle of +/-65° and does not need internal optics or reflectors. Its light can however be successfully injected into narrow-angle external optics.

With external optics, it is suitable for illumination in surveillance applications and for machine vision tasks such as pattern recognition and 3D measurement, because the 850nm wavelength is barely perceptible to the human eye but can be easily detected by camera systems.

Without external optics, the IRED covers the near-field range of a few meters and is suitable for applications such as eye tracking and gesture detection, says the firm.

Tags: Osram IR LED

Visit: www.osram-os.com

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