doc. no : qw0905- rev. : date : data sheet LH21441-PF round type led lamps ligitek electronics co.,ltd. property of ligitek only a 16 - otc. - 2009 LH21441-PF lead-free parts pb l dcc
? ? ? page LH21441-PF 2.5 5.4 1.5 max 2.0 2.0 2.0 1/5 ligitek electronics co.,ltd. property of ligitek only
-40 ~ +100 tstg storage temperature forward voltage @20ma(v) luminous intensity @10ma(mcd) spectral halfwidth ?
1.5 r e l a t i v e i n t e n s i t y @ 2 0 m a n o r m a l i z e @ 2 5
page 4/5 ligitek electronics co.,ltd. property of ligitek only 150 time(sec) temp( 100 260 120 50 25 0 0 preheat 2
reliability test: description this test is conducted for the purpose of detemining the resistance of a part in electrical and themal stressed. the purpose of this test is the resistance of the device under tropical for hours. the purpose of this is the resistance of the device which is laid under condition of low temperature for hours. the purpose of this is the resistance of the device which is laid under condition of high temperature for hours. the purpose of this is the resistance of the device to sudden extreme changes in high and low temperature. this test intended to see soldering well performed or not. 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. 1.t.sol=230
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