Truopto 45w star leds ultra violet cob truopto osv5x3cac1e this 45w ultra violet led has a radiant flux of 800mw and a peak wavelength of 405nm the uv led comes on a chip on board type substrate that provides for easy connection and efficient thermal management the high power dissipation and high luminous flux makes this led ideal for uv applications such as photo catalyst money detector uv curing black lighting truopto osv5x3cac1e 45w cob star uv led 400 410nm 120 800mw400ma 12vdc