VSMY3850 High-Speed IR Emitting Diode Vishay Semiconductors VSMY3850 High-Speed IR Emitting Diode offers a peak wavelength of 850nm based on surface emitter technology. This diode features high radiant intensity, high optical power, and high speeds. The VSMY3850 is molded in a PLCC-2 package for surface mounting. Applications for Vishay Semiconductors VSMY3850 High-Speed IR Emitting Diode include IR touch panels, high-speed IR data transmission, 3D TVs, and light curtains.