ligitek electronics co.,ltd. property of ligitek only la43tr/i data sheet led array doc. no : qw0905-la43tr/i rev. : a date : 04 - oct - 2005
page 1/4 package dimensions li2640 note : 1.all dimension are in millimeter tolerance is
page 2/4 unit ma ma i 120 30 ratings part no. la43tr/i i fp i f parameter peak forward current duty 1/10@10khz forward current symbol absolute maximum ratings at ta=25 for 5 sec max (2mm from body) ir operating temperature storage temperature reverse current @5v soldering temperature tsol t opr tstg power dissipation pd 100 mw luminous intensity @10ma(mcd) forward voltage @20ma(v) 12 50 min. max. 8.0 2.6 typ. 1.7 45 635 min. peak wave length ?
fig.3 forward voltage vs. temperature fig.5 relative intensity vs. wavelength ambient temperature(
page 4/4 reference standard description test condition this test is conducted for the purpose of detemining the resisance of a part in electrical and themal stressed. part no. la43tr/i reliability test: test item operating life test 1.under room temperature 2.if=20ma 3.t=1000 hrs (-24hrs, +72hrs) the purpose of this is the resistance of the device which is laid under condition of low temperature for hours. the purpose of this test is the resistance of the device under tropical for hous. this test intended to determine the thermal characteristic resistance of the device to sudden exposures at extreme changes in temperature when soldering the lead wire. the purpose of this is the resistance of the device to sudden extreme changes in high and low temperature. high temperature high humidity test low temperature storage test thermal shock test solder resistance test 1.t.sol=260
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