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| spec no: dsad1351 rev no: v.2 date: mar/01/2005 page: 1 of 4 approved: j. lu checked: allen liu drawn: s.h.chen erp: 1102000491 package dimension s description the green source color devices are made with gallium phosphide green light emitting diode. w138a8qmp/gd/tg green 3 .4mm r ight angle led indicator features o pre - trimmed leads for pc mounting. o can be assembled with each other. o i.c.compatible. o black case enhances contrast ratio o wide viewing angle. o high reliability life measured in years. o housing material:ppa. o package:1000pcs / reel. o high temperature resistant housing. z high glass transition temperature epoxy. z rohs compliant. notes: 1. all dimensions are in millimeters (inches). 2. tolerance is 0.25(0.01") unless otherwise noted. 3. specifications are subject to change without notice.
spec no: dsad1351 rev no: v.2 date: mar/01/2005 page: 2 of 4 approved: j. lu checked: allen liu drawn: s.h.chen erp: 1102000491 selection guid e n ote: 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 note: 1. 1/10 duty cycle, 0.1ms pulse width. symbol parameter device typ. max. test conditions units peak peak wavelength green 565 nm i f =20ma d dominant wavelength green 568 nm i f =20ma ? 1/2 spectral line half - width green 30 nm i f =20ma c capacitance green 15 pf v f =0v;f=1mhz v f forward voltage green 2.2 2.5 v i f =20ma i r reverse current green 10 ua v r = 5v parameter green units power dissipation 105 mw dc forward current 25 ma peak forward current [1] 140 ma reverse voltage 5 v operating / storage temperature - 40c to +85c part no. dice lens type iv (mcd) @ 10 ma viewing angle min. typ. 2 1/2 w138a8qmp/gd/tg green (gap) green diffused 8 15 60 spec no: dsad1351 rev no: v.2 date: mar/01/2005 page: 3 of 4 approved: j. lu checked: allen liu drawn: s.h.chen erp: 1102000491 green w138a8qmp/gd/tg spec no: dsad1351 rev no: v.2 date: mar/01/2005 page: 4 of 4 approved: j. lu checked: allen liu drawn: s.h.chen erp: 1102000491 w138a8qmp/gd/tg smt reflow soldering instruction s number of reflow process shall be 2 times or less and cooling process to normal temperature is required between first and second soldering process. recommended soldering pattern (units : mm ) tape specifications (units : mm ) |
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