spec no: dsag6641 rev no: v.3 date: jun/20/2007 page: 1 of 4 approved: wynec checked: joe lee drawn: w.j.hua erp:1332001160 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. description the high efficiency red source color devices are made with gallium arsenide phosphide on gallium phosphide orange light emitting diode. part number: TA18-21EWA high efficiency red 47mm (1.85inch) 8x8 dot matrix display features z 1.85 inch matrix height. z dot size 5mm. z high contrast and light output. z compatible with ascii and ebcdic codes. z easy mounting on p.c. boards or sockets. z categorized for color. z mechanically rugged. z standard: gray face, white dot. z rohs compliant.
spec no: dsag6641 rev no: v.3 date: jun/20/2007 page: 2 of 4 approved: wynec checked: joe lee drawn: w.j.hua erp:1332001160 selection guide electrical / optical characteristics at t a =25c absolute maximum ratings at t a =25c 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. TA18-21EWA high efficiency red (gaasp/gap) white diffused 4700 19650 column anode description symbol parameter device typ. max. test conditions units 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 note: 1. luminous intensity/ luminous flux: +/-15% notes: 1.wavelength: +/-1nm 2.forward voltage: +/-0.1v
spec no: dsag6641 rev no: v.3 date: jun/20/2007 page: 3 of 4 approved: wynec checked: joe lee drawn: w.j.hua erp:1332001160 high efficiency red TA18-21EWA
spec no: dsag6641 rev no: v.3 date: jun/20/2007 page: 4 of 4 approved: wynec checked: joe lee drawn: w.j.hua erp:1332001160 packing & label specifications TA18-21EWA
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