Infrared emitters

10 July 2013 Opto-Electronics

Vishay is broadening its optoelectronics portfolio with the introduction of high-power, high-speed 850 nm, 890 nm and 940 nm infrared emitters in gullwing, reverse gullwing and side-view surface-mount packages with wide-view dome lenses.

VSMY2853, VSMF2893, VSMB2943 and VSMB2948 series devices consist of an adapted lens radius to provide wide ±25° and ±28° angles of half intensity. The resulting typical radiant intensities range from 20 mW/sr to 35 mW/sr at a 100 mA drive current.

Saving space over PLCC2 solutions, the emitters are available in compact top-view 2,3 by 2,3 by 2,5 mm gullwing and reverse gullwing packages, and in 2,3 by 2,55 by 2,3 mm side-view packages.

Featuring GaAIAs surface emitter chip (VSMY2853), double hetero (VSMF2893) and multi quantum well (VSMB2943, VSMB2948) technologies, the devices are optimised for tablet IR touch panels, shutter glass synchronisation in 3D TV applications, remote controls, light curtains, light barriers, metering systems and external emitter sources for proximity applications. For automotive applications, the VSMB2943 and VSMF2893 are AEC-Q101 qualified.

The devices offer fast switching speeds down to 10 ns, low forward voltages down to 1,35 V at 100 mA, and operating temperatures from 40°C to +85°C.

For more information contact EBV Electrolink, +27 (0)21 402 1940, [email protected], www.ebv.com

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