AND208RA standard bright led lamps purdy electronics corporation ? 720 palomar avenue ? sunnyvale, ca 94085 tel: 408.523.8200 ? fax: 408.733.1287 ? email@purdyelectronics.com ? www.purdyelectronics.com 7/18/07 5(.197) 1.2 (.047) 1.0 max 0.5(0.2) 2.54(0.1) 9.5(.374) 12.5(.492) 0.5 4(.157) 27(1.063) min cathode 1.5(.06)typ 4(.157) 2(.079) AND208RA special shape 2mm x 5mm rectangular features ? low power requirement ? special shape ? all plastic molded lens ? gap C red ? rohs compliant optical characteristics (t = 25c) part number color lens desc. axial luminous intensity (mcd) test condition (i f Cma) viewing angle 2 1/2 (deg) led lens min. typ. AND208RA red red diffused 0.5 1.0 10 110 precaution please be careful of the following: 1. soldering temperature: 260c max; soldering time: 3 sec. max; soldering portion of lead: up to 2 mm from the body of the devi ce. 2. the lead can be formed up to 5 mm from the body of the device without forming stress. soldering should be performed after the lead forming. absolute maximum ratings (t a = 25c) characteristics symbol rating unit forward current i f 25 ma reverse voltage v r 5v power dissipation p d 120 mw operating temperature t opr -40 to +85 c storage temperature range t stg -40 to +85 c electro-optical characteristics (t a = 25c) characteristics symbol test condition AND208RA (red) unit typ. max. forward voltage v f i f = 20ma 2.0 2.5 v reverse current i r v r = 5 v C10a peak emission wavelength p i f = 20ma 700 C nm spectral line half width i f = 20ma 45 C nm weight: 0.30 g unit: mm product speci?cations contained herein may be changed without prior notice. it is therefore advisable to contact purdy electronics before proceeding with the design of equipment incorporating this produc t.
AND208RA standard bright led lamps purdy electronics corporation ? 720 palomar avenue ? sunnyvale, ca 94085 tel: 408.523.8200 ? fax: 408.733.1287 ? email@purdyelectronics.com ? www.purdyelectronics.com 7/18/07 i v vs. t c 3 2 1 0.5 0.4 0.3 -20 0 20406080 case temperature t c ( c) relative luminous intensity i v i v vs.t a ambient temperature t a ( c) allowable forward current i f (ma) 40 30 20 10 0 0 20406080100 1.0 0.8 0.6 0.4 0.2 0 640 660 680 700 720 740 760 660 680 700 720 740 760 780 800 relative luminous intensity t a = 25 5 2 1 0.5 0.2 0.1 1 2510 forward current i f (ma) this graph shows relative luminous vs. forward current. at three points (i f = 10, 15, 20ma) each relation is normalized.) relative luminous intensity i v 20 50 i v vs. i f relative luminous intensity vs. wavelength wavelength (nm) 660 680 700 720 740 760 780 800 t a = 25 2.3 1.7 1.8 1.9 2.0 2.1 2.2 1 3 2 5 10 30 20 50 forward voltage v f (v) i f vs. v f forward current i f (ma) t a = 25 c
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