VLMU35CM..-280-120 www.vishay.com Vishay Semiconductors OPTICAL AND ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified) VLMU35CM..-280-120, ULTRAVIOLET PARAMETERTEST CONDITIONSYMBOLMIN.TYP.MAX.UNIT Forward voltage IF = 100 mA VF 4 5 7 V Radiant power IF = 100 mA φe 8 12 - mW Ratio of radiant intensity/radiant power IF = 100 mA Ie/φe - 0.28 - sr-1 Peak wavelength IF = 100 mA λp 265 278 285 nm Angle of half intensity IF = 100 mA ϕ - ± 60 - ° Thermal resistance junction to solder pin RthJS - 15 - K/W Soldered on 20 x 20 x 1.7 (in mm) Thermal resistance junction to ambient R Al MCPCB thJA - 30 - K/W Note • Tolerances: ± 11 % for φe, ± 0.1 V for VF, ± 3 nm for λp RADIANT POWER CLASSIFICATION (IF = 100 mA) GROUPMIN.MAX.UNIT X3 8 10 X4 10 12 X5 12 14 mW X6 14 16 X7 16 18 PEAK WAVELENGTH CLASSIFICATION (IF = 100 mA) GROUPMIN.MAX.UNIT W1 265 285 nm FORWARD VOLTAGE CLASSIFICATION (IF = 100 mA) GROUPMIN.MAX.UNIT VX 4 5 VY 5 6 V V0 6 7 Note • In order to ensure availability, single groups for radiant intensity, wavelength, and forward voltage will not be orderable. Only one group for radiant intensity, wavelength, and forward voltage will be shipped in any one reel Rev. 1.0, 29-Nov-2018 2 Document Number: 84938 For technical questions, contact: LED@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000