The XL-3838UV1SA06G2 is a 3.8x3.8mm ultra-violet Surface Mounted Device (SMD) light-emitting diode (LED), manufactured by Xinglight. It is a ROHS compliant product, which means it meets or exceeds the highest standards for hazardous material limits for lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, and polybrominated diphenyl ethers. The emission wavelength of this LED is 365nm, making it suitable for a variety of applications such as medical equipment, industrial process control, and many other applications that require ultraviolet wavelengths for various functions. It also has a high luminous flux of 25-30mcd, and a forward voltage of 3.4-3.6V.