Vishay 850 nm VSMY7852X01/VSMY7850X01 infrared emitters

Friday, 13 January, 2012 | Supplied by: Braemac Pty Ltd

Vishay has broadened its optoelectronics portfolio with the release of two 850 nm infrared emitters built on the company’s SurfLight surface emitter technology.

Offered in the high-power Little Star package with a 6.0 by 7.0 by 1.5 mm footprint, the VSMY7852X01 and VSMY7850X01 offer high current drives, radiant intensity and optical power while providing low thermal resistivity.

The VSMY7850X01 contains a 42 mil chip and is designed for high drive currents up to 1 A and pulses to 5 A, while the VSMY7852X01 features a 20 mil chip for high drive currents up to 250 mA and pulses to 1.5 A.

Due to the low thermal resistivity of 10 kW for the VSMY7850X01 and 15 kW for the VSMY7852X01, the maximum current can be used over almost the entire operating temperature range of – 40 to 100 °C.

SurfLight uses a die construction in which all the light generated inside the semiconductor is emitted through the top surface of the chip. The result is ultra-high radiant intensity of 170 mW/sr and high optical power of 520 mW at 1 A with a low forward voltage of 2.0 for the VSMY7850X01 and intensity of 42 mW/sr and optical power of 130 mW at 250 mA with a low forward voltage of 1.8 for the VSMY7852X01. Both are AEC-Q101 qualified and feature a ±60° angle of half intensity.

The emitters can replace multiple standard SMD devices, allowing designers to reduce the component count and improve performance in a wide variety of applications. They are optimised for IR illumination in CMOS cameras, driver assistance systems, 3D TV and 3D imaging, night vision and IR flash applications. The emitters’ fast switching times of 15 ns make them suitable for machine vision IR data transmission.

Phone: 02 9550 6600
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