spec no: dsad2378 rev no: v.7 date: dec/05/2008 page: 1 of 4 approved: wynec checked: joe lee drawn: s.p.chen erp: 1311000187 9.9mm (0.39 inch) 14 segment single digit alphanumeric display part number: PSC39-21EWA high efficiency red features z 0.39 inch character height. z low current operation. z high contrast and light output. z easy mounting on p.c. boards or sockets. z mechanically rugged. z standard : gray face, white segment. z rohs compliant. description the high efficiency red source color devices are made with gallium arsenide phosphide on gallium phosphide orange light emitting diode. package dimensions& internal circuit diagram 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.
spec no: dsad2378 rev no: v.7 date: dec/05/2008 page: 2 of 4 approved: wynec checked: joe lee drawn: s.p.chen erp: 1311000187 selection guide note: 1. luminous intensity/ luminous flux: +/-15%. absolute maximum ratings at ta=25c electrical / optical characteristics at ta=25c notes: 1.wavelength: +/-1nm. 2. forward voltage: +/-0.1v. notes: 1. 1/10 duty cycle, 0.1ms pulse width. 2. 2mm below package base. part no. dice lens type iv (ucd) [1] @ 10ma min. typ. PSC39-21EWA high efficiency red (g aasp/gap) white diffused 1200 3188 common cathode, rt. hand decimal. description symbol parameter device typ. max. units test conditions peak peak wavelength high efficiency red 627 nm i f =20ma d [1] dominant wavelength high efficiency red 625 nm i f =20ma ? 1/2 spectral line half-width high efficiency red 45 nm i f =20ma c capacitance high efficiency red 15 pf v f =0v;f=1mhz v f [2] forward voltage high efficiency red 2.0 2.5 v i f =20ma i r reverse current high efficiency red 10 ua v r =5v parameter high efficiency red units power dissipation 75 mw dc forward current 30 ma peak forward current [1] 160 ma reverse voltage 5 v operating / storage temperature -40c to +85c lead solder temperature[2] 260c for 3-5 seconds
spec no: dsad2378 rev no: v.7 date: dec/05/2008 page: 3 of 4 approved: wynec checked: joe lee drawn: s.p.chen erp: 1311000187 high efficiency red PSC39-21EWA
spec no: dsad2378 rev no: v.7 date: dec/05/2008 page: 4 of 4 approved: wynec checked: joe lee drawn: s.p.chen erp: 1311000187 packing & label specifications PSC39-21EWA
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