www.roithner - laser.com 1 smb - lens v 1.0 08 . 0 5 .201 4 description smb - lens is a taped lens d esigned and optimized for l eds of smb1n and smb1w series. the round white holder made of pc contains a pmma lens with high uv and temperature resistance (105c) , and a fwhm of about 10. to install the lens, it can be easily taped on a pcb or heat sink with a pu foam adhesive tape of automotive grade . specifications parameter symbol values unit fwhm 10 degrees material lens pmma holder pc tape pu foam diameter 16.1 mm height 10.9 mm weight 1.8 g color white note: the typical divergence will be changed by different color, chip size and chip position tolerance. the typical total divergence is the full angle measured where the luminous intensity is half of the peak value.
www.roithner - laser.com 2 drawing all dimensions in mm precautions mounting : we advise customer to ensure the suitability and sufficiency of the bond in the end product. for example, mechanical stress, vibration and holes on the surface of the circuit boar d weaken the strength of the tape. assembly to the surface must be made straight, so the tape bonds constant and balanced with fastening surface. slanted assembly mig ht cause unbalanced bond to the surface. all surfaces where tape is applied must be clean, dry and free from grease and dirt. cleaning: cleaning with only micro fiber cloth is recommended to remove fingerprints or other traces from handeling. do not use any chemicals ? all rights reserved the above specifications are for reference purpose only and subjected to change without prior notice smb - lens
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