li lite-on technology corporation property of lite-on only part no.: LTS-312AHR page: 1 of 5 bns-od-c131/a4 features 0.3 inch (7.65 mm) digit height. continuous uniform segments. low power requirement. excellent characters appearance. high brightness & high contrast. wide viewing angle. solid state reliability. categorized for luminous intensity. description the LTS-312AHR is a 0.3 inch (7.65 mm) digit height single digit seven-segment display. this device utilizes h igh efficiency red led chips, which are made from gaasp on a trans parent gap substrate, and has a red face and red segments. device part no. description hi-eff. red LTS-312AHR common anode rt. & lt. hand decimal
li lite-on technology corporation property of lite-on only part no.: LTS-312AHR page: 2 of 5 bns-od-c131/a4 package dimensions notes: all dimensions are in millimeters. tolerance s are 0.25 mm (0.01) unless otherwise noted. internal circuit diagram
li lite-on technology corporation property of lite-on only part no.: LTS-312AHR page: 3 of 5 bns-od-c131/a4 pin connection no. connection 1 cathode a 2 cathode f 3 common anode 4 no pin 5 no pin 6 cathode ldp 7 cathode e 8 cathode d 9 cathode rdp 10 cathode c 11 cathode g 12 no pin 13 cathode b 14 common anode
li lite-on technology corporation property of lite-on only part no.: LTS-312AHR page: 4 of 5 bns-od-c131/a4 absolute maximum rating at ta=25 o c parameter maximum rating unit power dissipation per segment 75 mw peak forward current per segment ( 1/10 duty cycle, 0.1ms pulse width ) 100 ma continuous forward current per segment derating linear from 25 per segment 25 0.33 ma ma/ reverse voltage per segment 5 v operating temperature range -35 to +85 storage temperature range -35 to +85 solder temperature: max 260 for max 3sec at 1.6mm below seating plane. electrical / optical characteristics at ta=25 o c parameter symbol min. typ. max. unit test condition average luminous intensity i v 870 2000 m cd i f =10ma peak emission wavelength l p 635 nm i f =20ma spectral line half-width dl 40 nm i f =20ma dominant wavelength l d 623 nm i f =20ma forward voltage per segment v f 2 2.6 v i f =20ma reverse current per segment i r 100 m a v r =5v luminous intensity matching ratio i v -m 2:1 i f =10ma note: luminous intensity is measured with a light s ensor and filter combination that approximates the cie (commision internationale de l eclairage) eye-response curve.
li lite-on technology corporation property of lite-on only part no.: LTS-312AHR page: 5 of 5 bns-od-c131/a4 typical electrical / optical characteristic curves (25 o c ambient temperature unless otherwise noted)
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