LED SPECIFICATION Part No. 540LW7C Features Single color High bright output Low power consumption High reliability and long life Descriptions Dice material GaInN Emitting Color Super Bright White Device Outline 5mm Round Type Lens Type Water Clear NOTE: All dimensions are millimetres. Tolerance is +/-0.25mmunless otherivise noted DIRECTIVITY Relative Luminous 1.0 0¡ ã Ta=25¡ ã C IF=20m A 30¡ ã 60¡ ã 0.5 0 90¡ ã 60¡ ã 30¡ ã 0¡ ã 0.5 90¡ ã 1.0 Radiation Angle Page: 1 of 4 LED SPECIFICATION Part No. 540LW7C Absolute maximum ratings Ta = 25 Parameter Symbol Test Condition Reverse Voltage VR Forward Current Value Unit Min. Max. IR = 30 A 5 -- V IF ---- ---- 30 mA Power Dissipation Pd ---- ---- 108 mW Pulse Current Ipeak ---- 100 mA Operating Temperature Topr ---- -20 +85 Storage Temperature Tstr ---- -25 +100 Duty=0.1mS Electrical and optical characteristics 1kHz Ta = 25 Parameter Symbol Test Condition Forward Voltage VF Reverse Current Value Unit Min. Typ. Max. IF = 20mA ---- 3.2 3.6 IR VR = 5V ---- ---- 30 Luminous Intensity IV IF = 20mA ---- BIN -- mcd Viewing Angle 2 1/2 IF = 20mA ---- 45 ---- Deg. Luminous Intensity Bins Chart V A Ta = 25 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 Wa3 Wb2 Wc2 Wc4 Wd2 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 Wa2 Wb1 Wc1 Wc3 Wd1 Wf Ta=25 X Y X Y X Y X Y X Y X Y 540LW7C ) 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 CIE 1931 Chromaticity diagram Y IF=20mA W W Wf W W W W W Ta=25¡ ã C W W W W x Page: 3 of 4 0.280 0.248 0.296 0.276 0.330 0.318 0.306 0.332 0.356 0.351 0.380 0.381 LED SPECIFICATION Part No. 540LW7C Typical electrical/optical characteristic curves FORWARD CURRENT Vs FORWARD VOLTAGE Luminous Intensity Relative Value at IF=20mA 2.5 40 30 20 10 20 10 20 40 60 80 0.5 0 0 10 20 40 30 IF-Forward Current (mA) 50 2.5 30 0 1.0 LUMINOUS INTENSITY Vs. AMBIENT TEMPERATURE 40 0 1.5 4.0 FORWARD CURRENT DERATING CURVE 100 Ambient Temperature TA (¡ æ ) " $ Forward Current(mA) 50 2.4 2.8 3.2 3.6 Forward Voltage(V) Relative Luminous Intensity 0 2.0 2.0 2.0 1.5 1.0 0.5 0 -40 -20 0 20 60 80 40 Ambient Temperature TA (¡ æ ) 100 !"# Forward Current(mA) 50 LUMINOUS INTENSITY Vs. FORWARD CURRENT Page: 4 of 4