Opto-Electronics


High-speed IR emitter

4 March 2009 Opto-Electronics

Vishay has broadened its optoelectronics portfolio with the introduction of a 3 mm (T1) infrared emitter targeting compact infrared remote control designs. The 940 nm VSLB3940 features an on-axis radiant intensity of 65 mW/sr and optical power of 40 mW at 100 mA. The device is a high-speed emitter with switching times of 15 ns and can support data rates up to 30 Mbps. It features an angle of half intensity of ±22° and a forward voltage of 1,35 V at 100 mA. In addition to remote control applications, the VSLB3940 can be used for wireless communication, optical counters, card readers, and light barrier or interrupter applications.



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