lite-on dcc release lite-on technology corp. / optoelectronics no.90,chien 1 road, chung ho, new taipei city 23585, taiwan, r.o.c. tel: 886-2-2222-6181 fax: 886-2-2221-1948 / 886-2-2221-0660 http://www.liteon.com/opto through hole lamp product data sheetLTL-4251N-002 spec no.: ds20-2000-503effective date: 06/01/2001revision: - bns-od-fc001/a4 bns-od-fc001/a4 bns-od-fc001/a4 bns-od-fc001/a4
l i t e - o n e l e c t r o n i c s , i n c . p r o p e r t y o f l i t e - o n o n l y features * high intensity. * popular t - 1 diameter package. * selected minimum intensities. * general purpose leads. * reliable and rugged. package dimensions part no. lens source color ltl - 4251n - 002 yellow diffused yellow notes: 1. all dimensions are in millimeters (inches). 2. tolerance is 0.25mm(.010") unless otherwise noted. 3. protruded resin under flange is 1.0mm(.04") max. 4. lead spacing is measured where the leads emerge from the package. 5. specifications are subject to change without notice. part no. : ltl - 4251n - 002 page : 1 of 5 bns - od - c131/a4
l i t e - o n e l e c t r o n i c s , i n c . p r o p e r t y o f l i t e - o n o n l y absolute maximum ratings at t a =25 parameter maximum rating unit power dissipation 60 mw peak forward current (1/10 duty cycle, 0.1ms pulse width) 80 ma continuous forward current 20 ma derating linear from 50 0.25 ma/ reverse voltage 5 v operating temperature range - 55 to + 100 storage temperature range - 55 to + 100 lead soldering temperature [1.6mm( .063") from body] 260 for 5 seconds part no. : ltl - 4251n - 002 page : 2 of 5 bns - od - c131/a4
l i t e - o n e l e c t r o n i c s , i n c . p r o p e r t y o f l i t e - o n o n l y electrical / optical characteristics at t a =25 parameter symbol min. typ. max. unit test condition luminous in tensity i v 1.7 5.6 mcd i f = 10ma note 1,4 viewing angle 2 1/2 60 deg note 2 (fig.6) peak emission wavelength p 585 nm measurement @peak (fig.1) dominant wavelength d 588 nm note 3 spectral line half - width ? 35 nm for ward voltage v f 2.1 2.6 v i f = 20ma reverse current i r 100 a v r = 5v capacitance c 15 pf v f = 0 , f = 1mhz note: 1. luminous intensity is measured with a light sensor and filter combination that approximates the cie (commission international de l'eclairage) eye - response curve. 2. 1/2 is the off - axis angle at which the luminous intensity is half the axial luminous intensity. 3. the dominant wavelength, d is derived from the cie chromaticity di agram and represents the single wavelength which defines the color of the device. 4. the iv guarantee should be added 15 %. part no. : ltl - 4251n - 002 page : 3 of 5 bns - od - c131/a4
l i t e - o n e l e c t r o n i c s , i n c . p r o p e r t y o f l i t e - o n o n l y typic al electrical / optical characteristics curves (25 ambient temperature unless otherwise noted) part no. : ltl - 4251n - 002 page : 4 of 5 bns - od - c131/a4
l i t e - o n e l e c t r o n i c s , i n c . p r o p e r t y o f l i t e - o n o n l y features * compatible with radial lead automatic insertion equipment. * most radial lead plastic lead lamps avail able packaged in tape and reel. * 2.54mm (0.1") straight lead spacing available. * reel packaging simplifies handling and testing. package dimensions specification item symbol minimum maximum mm inch mm inch tape feed hole diameter d 3.8 0.149 4.2 0.165 component lead pitch f 2.3 0.091 3.0 0.118 front to rear deflection h -- -- 2.0 0.078 feed hole to bottom of component h1 17.5 0.689 18.5 0.728 feed hole to overall component height h2 21.7 0.854 23.2 0.913 lead length after component height l w0 11.0 0.433 feed hole pitch p 12.4 0.488 13.0 0.511 lead locat ion p1 4.4 0.173 5.8 0.228 center of component location p2 5.05 0.198 7.65 0.301 total tape thickness t -- -- 0.90 0.035 feed hole location w0 8.5 0.334 9.75 0.384 adhesive tape width w1 12.5 0.492 13.5 0.531 adhesive tape position w2 0 0 3. 0 0.118 tape width w3 17.5 0.689 19.0 0.748 part no. : ltl - 4251n - 002 page : 5 of 5 bns - od - c131/a4
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