4-64 dialight corporation 1501 route 34 south farmingdale, nj 07727 tel: (732) 919-3119 fax: (732) 751-5778 www.dialight.co m 3 m m d i s c r e t e l e d h i g h e f f i c i e n c y d i f f u s e d 5 2 1 - 9 4 x x t y p e c o l o r 521-9408 green 521-9427 red 521-9428 yellow green red yellow absolute maximum ratings (t a =25c) -9408 -9427 -9428 power dissipation (mw) 75 60 60 forward current (ma) 25 20 20 derating (ma/c) from 50c .5 .5 .5 peak current (ma) 60 60 60 operating temperature (c) -25/+85 -25/+85 -25/+85 storage temperature (c) -30/+100 -30/+100 -30/+100 soldering temperature 260c, 5 seconds, 1.6 mm from case green red yellow operating characteristics (t a =25c) -9408 -9427 -9428 luminous intensity (mcd) min. 5.6 3.6 2.2 i f =10ma typical 16 10 6.3 peak wavelength (nm) typical 563 650 585 peak viewing angle (2 ? ) typical 45 45 45 forward voltage (v) typical 2.1 2 2.1 i f =10ma max. 3 3 3 reverse voltage (v), i r =10a min. 3 3 3 .50 [.020] nom 1.30 .25 [.051 .010] 24.00 .25 [.945 .010] 4.70 .20 [.185 .008] 3.09 .20 [.122 .008] 6.10 .38 [.240 .015] .79 .20 [.031 .008] 3.30 [.130] max .50 [.020] nom 2.49 .25 [.098 .010] cathode (? ) 1.0 [.040] ? is the off axis angle at which the luminous intensity is half the axial luminous intensity solder adherence per mil-std-202e, method 208c dimensions in mm [inches] m o u n t i n g c l i p : 515-0006 located on page 4-65
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