lite-on dcc release lite-on technology corp. / optoelectronics no.90,chien 1 road, chung ho, new taipei city 23585, taiwan, r.o.c. tel: 886-2-2222-6181 fax: 886-2-2221-1948 / 886-2-2221-0660 http://www.liteon.com/opto led displayproduct data sheetLTG-Y2K31M spec no.: ds30-2001-126effective date: 09/15/2001revision: - bns-od-fc001/a4 bns-od-fc001/a4 bns-od-fc001/a4 bns-od-fc001/a4
lite - on electronics, inc. property of lite - on only part no.: ltg - y2k31m page: 1 of 7 bns - od - c131/a4 features 0.27 inch ( 7.0 mm) digit height. continuous uniform segments. low power requirement. excellent characters appearance. high brightness & high contrast. wide viewing angle. solid state reliability. description the ltg - y2k31m is a 0.27 inch ( 7.0 mm) digit height seven - segment display. the device is multi - color applicable display. the green led chips, which are made from gap on a transparent gap substrate. the red orange & amber led chips, which are made from gaasp on a transparent gap. device part no. description multi - color multiplex common anode ltg - y2k31m
lite - on electronics, inc. property of lite - on only part no.: ltg - y2k31m page: 2 of 7 bns - od - c131/a4 package dimensions notes: all dimensions are in millimeters. tolerances are ? 0.25 mm unless otherwise noted.
lite - on electronics, inc. property of lite - on only part no.: ltg - y2k31m page: 3 of 7 bns - od - c131/a4 internal circuit diagram
lite - on electronics, inc. property of lite - on only part no.: ltg - y2k31m page: 4 of 7 bns - od - c131/a4 pin connection no. connection 1 common anode (digit 13,14) 2 common anode (digit 1,7) 3 cathode b 4 common anode (digit 2,8) 5 cathode c 6 cathode e 7 common anode (digit 3,9) 8 cathode f 9 common anode (dig it 4,10) 10 cathode a 11 common anode (digit 5,11) 12 cathode d 13 cathode g 14 common anode (digit 6,12) 15 cathode f 16 cathode d 17 cathode e 18 cathode g 19 no connection 20 cathode a 21 cathode c 22 cathode b
lite - on electronics, inc. property of lite - on only part no.: ltg - y2k31m page: 5 of 7 bns - od - c131/a4 absolut e maximum rating at t a =25 parameter green red orange amber unit power dissipation per chip 75 75 75 mw peak forward current per chip ( 1/10 duty cycle, 0.1ms pulse width ) 100 100 100 ma continuous forward current per chip derating linear from 25 storage temperature range - 35 solder temperature: max 260 electrical / optical characteristics at ta=25 dig it(green) parameter symbol min. typ. max. unit test condition average luminous intensity per segment i v 930 ? f =10ma peak emission wavelength ? f =20ma spectral line half - width ? ? f =20ma dominant wavelength ? f =20ma forward voltage per chip v f 2.1 2.6 v i f =20ma reverse current per chip i r 100 ? r =5v luminous intensity matching ratio i v - m 2:1 i f =10ma icon(green) parameter symbol min. typ. max. unit test condition average luminous intensity per segment i v 1170 ? f =10ma peak emission wavelength ? f =20ma spectral line half - width ? ? f =20ma dominant wavelength ? f =20ma forward voltage per chip v f 2.1 2.6 v i f =20ma reverse current per chip i r 100 ? r =5v luminous int ensity matching ratio i v - m 2:1 i f =10ma
lite - on electronics, inc. property of lite - on only part no.: ltg - y2k31m page: 6 of 7 bns - od - c131/a4 icon(red orange) parameter symbol min. typ. max. unit test condition average luminous intensity per segment i v 1060 ? f =10ma peak emission wavelength ? f =20ma spectral line half - width ? ? f =20ma dominant wavelength ? f =20ma forward voltage per chip v f 2.0 2.6 v i f =20ma reverse current per chip i r 100 ? r =5v luminous intensity matching ratio i v - m 2:1 i f =10ma icon(amber) parameter symbol min. typ. max. unit te st condition average luminous intensity per segment i v 650 ? f =10ma peak emission wavelength ? f =20ma spectral line half - width ? ? f =20ma dominant wavelength ? f =20ma forward voltage per chip v f 2.1 2.6 v i f =20ma r everse current per chip i r 100 ? r =5v luminous intensity matching ratio i v - m 2:1 i f =10ma note: luminous intensity is measured with a light sensor and filter combination that approximates the cie (commission internationale de leclariage) eye - res ponse curve.
lite - on electronics, inc. property of lite - on only part no.: ltg - y2k31m page: 7 of 7 bns - od - c131/a4 typical electrical / optical characteristic curves (25 o c ambient temperature unless oherwise noted)
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