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doc. no : qw0905- rev. : date : data sheet LE2040-PF round type led lamps ligitek electronics co.,ltd. property of ligitek only 30 - jun. - 2008 LE2040-PF a lead-free parts pb
note : 1.all dimension are in millimeter tolerance is 25% 75% 100%0 25% 50% -60 absolute maximum ratings at ta=25 ? fig.3 forward voltage vs. temperature fig.5 relative intensity vs. wavelength ambient temperature( dip soldering preheat: 120 the purpose of this is the resistance of the device to sudden extreme changes in high and low temperature. 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 test is the resistance of the device under tropical for hours. this test intended to see soldering well performed or not. solderability test 1.t.sol=230 |
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