High-speed 940nm IR emitter supports gesture remote control
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The VSLB9530S is offered in a clear moulded, leaded TELUX package with an oval lens designed to support an angle of half intensity of ± 18° in the vertical direction and ± 36° in the horizontal direction.
The VSLB9530S is built on GaAIAs multi-quantum well technology. The device’s unique angular distribution makes it suitable for gesture remote control of televisions and gaming systems, where it provides excellent spectral matching with silicon photodetectors. The IR emitter’s wider angle in the horizontal view helps maintain position flexibility for users, while the narrower angle in the vertical plane focuses the distributed radiant intensity. The device measures 7.62×7.62×4.6mm and provides a low thermal resistance of 200 K/W. While standard IR emitters typically offer drive currents to 100 mA, the low thermal resistivity of the VSLB9530S allows continuous drive currents up to 150mA, which pushes the achievable radiant intensity to 60mW/sr at 150 mA. The device offers high modulation bandwidth of 24 MHz and is suitable for high pulse current operation.
The infrared emitter released today offers fast switching speeds down to 15 ns, low forward voltage down to 1.31 V at 150 mA, and an operating temperature range from -40°C to +95°C.
Visit Vishay Intertechnology at www.vishay.com
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