auk corp. SY3518 / SY3518(b) the contents of this data sheet are subject to change without advance notice for the purpose of improvement. when using this product, would you please refer to the latest specifications. rev.odate:08-aug-11 auk-ldm-001(a) 1 2 2 1 ?2.74~3.14 3.90~4.30 0.70 max. 23.00 min. 1.00 min. 2.54 typ. 3.60~4.00 3.50~3.90 0 . 4 5 m a x . ?2.74~3.14 3.90~4.30 5.00~6.00 0.70 max. 1.20 min. 23.00 min. 1.00 min. 2.54 typ. 3.50~3.90 3.60~4.00 0 . 4 5 m a x . 1 . 2 7 t y p . 2.70~3.50 2.70~3.50 1. features yellow colored diffusion transparency lens type 3mm(t-1) all plastic mold type wide half angle of intensity( 1/2= 55 o ) 2. outline dimensions unit : mm straight type stopper type : (b) pin connections 1. anode 2. cathode
auk corp. SY3518 / SY3518(b) the contents of this data sheet are subject to change without advance notice for the purpose of improvement. when using this product, would you please refer to the latest specifications. rev.odate:08-aug-11 auk-ldm-001(a) 3. absolute maximum ratings (ta=25 o c) characteristic symbol rating unit power dissipation p d 75 mw forward current i f 30 ma * 1 peak forward current i fp 50 ma reverse voltage v r 4 v operating temperature range t opr -25 85 storage temperature range t stg -30 100 * 2 soldering temperature t sol 260 for 10 seconds *1.duty ratio = 1/16, pulse width = 0.1ms *2.keep the distance more than 2.0mm from pcb to the bottom of led package 4. electrical / optical characteristics (ta=25 o c) characteristic symbol test condition min typ max unit forward voltage v f i f = 20ma - 2.1 2.5 v * 4 luminous intensity i v i f = 20ma 6.6 - 27 mcd peak wavelength p i f = 20ma - 585 - nm spectrum bandwidth ? i f = 20ma - 30 - nm reverse current i r v r =4v - - 10 ua * 3 half angle 1/2 i f = 20ma - 55 - deg *3. 1/2 is the off-axis angle where the luminous intensity is 1/2 the peak intensity *4. luminous intensity maximum tolerance for each grade classification limit is 18% *4. luminous intensity classification f g h 6.6 ~ 10 10 ~ 17 17 ~ 27
auk corp. SY3518 / SY3518(b) the contents of this data sheet are subject to change without advance notice for the purpose of improvement. when using this product, would you please refer to the latest specifications. rev.odate:08-aug-11 auk-ldm-001(a) 5. characteristic diagrams fig. 3 i f ? ta forward current i f [ma] ambient temperature ta [ ] fig.4 spectru m distribution relative intensity [%] wavelength [nm] fig. 1 i f - v f forward voltage v f [v] forward current i f [ma] fig. 2 i v - i f luminous intensity i v [mcd] forward current i f [ma] fig. 5 radiation diagram 100 50 50 0100 relative luminous intensity iv [%]
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