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| LED SPECIFICATION Part No. 540LW7C Features Single color High bright output Low power consumption High reliability and long life Descriptions Dice material Device Outline GaInN 5mm Round Type Emitting Color Super Bright White Lens Type Water Clear NOTE: All dimensions are millimetres. Tolerance is +/-0.25mmunless otherivise noted DIRECTIVITY 1.0 Ta=25 a C IF=20m A 0 a 30 a Relative Luminous 0.5 60 a 0 90 a 60 a 30 a 0 a 0.5 90 a 1.0 Radiation Angle Page: 1 of 4 LED SPECIFICATION Part No. 540LW7C Absolute maximum ratings = 25 Ta Parameter Symbol Test Condition Value Min. Max. Unit Reverse Voltage VR IR = 30 A 5 -- V Forward Current IF ---- ---- 30 mA Power Dissipation Pd ---- ---- 108 mW Pulse Current Ipeak Duty=0.1mS 1kHz ---- 100 mA Operating Temperature Topr ---- -20 +85 Storage Temperature Tstr ---- -25 +100 Electrical and optical characteristics = 25 Ta Parameter Symbol Test Condition Value Min. Typ. Max. Unit Forward Voltage VF IF = 20mA ---- 3.2 3.6 V Reverse Current IR VR = 5V ---- ---- 30 A Luminous Intensity IV IF = 20mA ---- BIN -- mcd Viewing Angle 2 '1/2 IF = 20mA ---- 45 ---- Deg. Luminous Intensity Bins Chart = 25 Ta Bin V W X Y Z1 Z2 Min 2130 3000 4000 6000 8000 10000 Max 3000 4180 6000 8000 10000 12000 Page: 2 of 4 LED SPECIFICATION Part No. Chromaticity Coordinates Ranks (IF=20mA Wa1 X Y X Y X Y X Y X Y X Y 0.243 0.200 0.246 0.236 0.264 0.267 0.287 0.295 0.306 0.332 0.330 0.360 0.215 0.230 0.230 0.250 0.248 0.286 0.283 0.305 0.298 0.350 0.321 0.379 0.230 0.250 0.248 0.286 0.275 0.321 0.330 0.360 0.321 0.379 0.366 0.419 0.263 0.220 0.264 0.267 0.283 0.305 0.330 0.339 0.330 0.360 0.361 0.385 540LW7C Ta=25 X Y X Y X Y X Y X Y X Y ) 0.263 0.220 0.280 0.248 0.296 0.276 0.283 0.305 0.330 0.318 0.356 0.351 0.246 0.236 0.264 0.267 0.287 0.295 0.275 0.321 0.330 0.360 0.366 0.419 0.264 0.267 0.283 0.305 0.330 0.339 0.298 0.350 0.361 0.385 0.391 0.436 0.280 0.248 0.296 0.276 0.330 0.318 0.306 0.332 0.356 0.351 0.380 0.381 Wa2 Wa3 Wb1 Wb2 Wc1 Wc2 Wc3 Wc4 Wd1 Wd2 Wf CIE 1931 Chromaticity diagram Y IF=20mA Ta=25 a C W W WW Wf W W W W W W W x Page: 3 of 4 LED SPECIFICATION Part No. 540LW7C Typical electrical/optical characteristic curves 50 FORWARD CURRENT Vs FORWARD VOLTAGE 2.5 LUMINOUS INTENSITY Vs. FORWARD CURRENT Forward Current(mA) 40 30 20 10 0 2.0 2.4 2.8 3.2 3.6 Forward Voltage(V) 4.0 Luminous Intensity Relative Value at IF=20mA 2.0 1.5 1.0 0.5 0 0 10 20 40 30 IF-Forward Current (mA) 50 Relative Luminous Intensity 50 FORWARD CURRENT DERATING CURVE LUMINOUS INTENSITY Vs. AMBIENT TEMPERATURE 2.5 2.0 1.5 1.0 0.5 0 Forward Current(mA) 40 30 20 10 0 0 20 40 60 80 100 !"# "$ Ambient Temperature TA ( ae ) -40 -20 0 20 60 80 40 Ambient Temperature TA ( ae ) 100 Page: 4 of 4 |
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