551LW7C HB | Alldatasheet
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Technical content
Page: 1 of 4 Part No.ÖÖÖÖ 551LW7C FeaturesÖÖÖÖ Single color High bright output Low power consumption High reliability and long life DescriptionsÖÖÖÖ Dice materialÖGaInN Emitting ColorÖSuper Bright White Device OutlineÖ¶5mm Round Flat Type Lens TypeÖWater Clear NOTE: All dimensions are millimetres. Tolerance is +/-0.25mmunless otherivise noted HALF LIGHT PATTERN:
Page: 2 of 4 Part No.ÖÖÖÖ 551LW7C Value Parameter Symbol Test Condition 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 ˜˜˜˜Ta = 25¯¯¯¯ Value Parameter Symbol Test Condition 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 100 BIN 200 mcd Viewing Angle 2'1/2 IF = 20mA 130 140 150 Deg.
Page: 3 of 4 CIE 1931 Chromaticity diagram Part No.ÖÖÖÖ 551LW7C Chromaticity Coordinates Ranks (IF=20mA Ta=25) IF=20mA×Ta=25¡ ãCY Wf W WW WW W W W W W W x
Page: 4 of 4 Part No.ÖÖÖÖ 551LW7C Typical electrical/optical characteristic curvesÖÖÖÖ 4.0 0 FORWARD CURRENT Vs FORWARD VOLTAGE LUMINOUS INTENSITY Vs. FORWARD CURRENT 40 50 2.0 1.5 0.5 20103.6 0 2.42.0 2.8 3.2 Forward Current(mA) Luminous Intensity Relative Value at IF=20mA 1.0 2.5 FORWARD CURRENT DERATING CURVE 2.0 1.5 2.5 LUMINOUS INTENSITY Vs. AMBIENT TEMPERATURE 1008060 0.5 200-20100 -4060 8020 4000 Ambient Temperature TA (¡ æ ) Ambient Temperature TA (¡ æ ) Relative Luminous Intensity Forward Current(mA) 1.0 IF-Forward Current (mA)Forward Voltage(V) ! "#"