spec no: dsad2379 rev no: v.2 date: apr/23/2005 page: 1 of 3 approved: j. lu checked: joe lee drawn: w.j.zhu erp:1311000230 notes: 1. all dimensions are in millimeters (inches), tolerance is 0 .25(0.01")unless otherwise noted. 2. specifications are subject to change without notice . features 0.39 inch character height. low current operation. high contrast and light output. common anode available. easy mounting on p.c. boards or sockets. mechanically rugged. standard : gray face, white segment. rohs compliant. package dimensions & internal circuit diagram 9.9mm (0.39 inch) 14 segment single digit alphanumeric display psc39 - 21ywa yellow description the yellow source color devices are made with gallium arsenide phosphide on gallium phosphide yellow light emitting diode.
spec no: dsad2379 rev no: v.2 date: apr/23/2005 page: 2 of 3 approved: j. lu checked: joe lee drawn: w.j.zhu erp:1311000230 selection guid e part no. dice lens type iv (ucd) @ 10ma min. typ. psc39 - 21ywa yellow (gaasp/gap) white diffused 480 1278 common cathode ,rt. hand decimal. description electrical / optical characteristics at t a =25 c absolute maximum ratings at t a =25 c notes: 1. 1/10 duty cycle, 0.1ms pulse width. 2. 5mm below package base. symbol parameter device typ. max. test conditions units peak peak wavelength yellow 590 nm i f =20ma d dominant wavelength yellow 588 nm i f =20ma ? 1/2 spectral line half - width yellow 35 nm i f =20ma c capacitance yellow 20 pf v f =0v;f=1mhz v f forward voltage yellow 2.1 2.5 v i f =20ma i r reverse current yellow 10 ua v r = 5v parameter yellow units power dissipation 105 mw dc forward current 30 ma peak forward current [1] 140 ma reverse voltage 5 v operating / storage temperature - 40c to +85c lead solder temperature [2] 260c for 5 seconds
spec no: dsad2379 rev no: v.2 date: apr/23/2005 page: 3 of 3 approved: j. lu checked: joe lee drawn: w.j.zhu erp:1311000230 yellow psc39 - 21ywa 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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