spec no: dsac3942 rev no: v.4 date: mar/25/2005 page: 1 of 3 approved: j. lu checked: allen liu drawn: y.w.wang l- 1154pgt pure green description the pure green source color devices are made with gallium phosphide pure green light emitting diode . package dimension s t - 1 (3mm) solid state lamp features low power consumption. popular t - 1 diameter package. general purpose leads. reliable and rugged. long life - solid state reliability. available on tape and reel. notes: 1. all dimensions are in millimeters (inches). 2. tolerance is 0 .25(0.01") unless otherwise noted. 3. lead spacing is measured where the leads emerge from the package. 4. specifications are subject to change without notice.
spec no: dsac3942 rev no: v.4 date: mar/25/2005 page: 2 of 3 approved: j. lu checked: allen liu drawn: y.w.wang selection guid e note: 1. 1/2 is the angle from optical centerline where the luminous intensity is 1/2 the optical centerline value. electrical / optical characteristics at t a =25 c absolute maximum ratings at t a =25 c symbol parameter device typ. max. test conditions units peak peak wavelength pure green 555 nm i f =20ma d dominant wavelength pure green 555 nm i f =20ma ? 1/2 spectral line half - width pure green 30 nm i f =20ma c capacitance pure green 45 pf v f =0v;f=1mhz v f forward voltage pure green 2.25 2.5 v i f =20ma i r reverse current pure green 10 ua v r = 5v parameter pure green units power dissipation 105 mw dc forward current 25 ma peak forward current [1] 135 ma reverse voltage 5 v operating/storage temperature - 40c to +85c lead solder temperature [2] 260c for 3 seconds lead solder temperature [3] 260c for 5 seconds part no. dice lens type iv (mcd) @ 10ma viewing angle min. typ. 2 1/2 l- 1154pgt pure green (gap) green transparent 3 10 50 notes: 1. 1/10 duty cycle, 0.1ms pulse width. 2. 2mm below package base. 3 . 5mm below package base.
spec no: dsac3942 rev no: v.4 date: mar/25/2005 page: 3 of 3 approved: j. lu checked: allen liu drawn: y.w.wang pure green l - 1154pgt remarks: if special sorting is required (e.g. binning based on forward voltage, luminous intensity, or wavelength), the typical accuracy of the sorting process is as follows: 1. wavelength: +/ - 1nm 2. luminous intensity: +/ - 15% 3. forward voltage: +/ - 0.1v note: accuracy may depend on the sorting parameters.
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