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 Light Emitting Diode(White Color)
KLB-521 W
DIMENSIONS KLP-521 W is a white color LED, which has a blue LED chip and is encapsulated by epoxy mixed with phosphor.
Unit : [mm]
Features
* Transparent epoxy lens * High Optical Output
Applications
* Display * Indicator * Signage * Camera
Maximum Ratings Parameter Reverse voltage Forward current Pulse forward current Power dissipation Storage temperature Soldering Temperature *2
*2. Soldering time 5 Sec
*1
[ Ta=25C ]
Symbol VR IF IFP PD Topr. Tstg. Tsol.
Ratings 5 30 0.5 105 -30 ~ +85 -40 ~ +100 260
Unit V mA A mW C C C
Operating temperature
*1. IFP Measured under duty 1/10 @ 1KHz Keep the distance more than 3mm from soldering foundation.
Electro-Optical Characteristics Parameter Forward voltage Reverse current Luminous Intensity Color Coordinate Half angle
[ Ta=25C ]
Symbol VF IR Iv X Y 21/2
Conditions IF = 20 mA VR = 5 V IF = 20 mA IF = 20 mA IF = 20 mA
Min 2 0.264 0.248 -
Typ 3.2 3 90
Max 3.5 50 0.356 0.385 -
Unit V uA cd deg.
1/2
Light Emitting Diode(White Color)
KLB-520 W
Forward current vs. Ambient temperature
50 40 30 20 10 0
Relative intensity
Radiant Intensity vs. Forward current
2.0
Forward current IF[mA]
1.0
0.5
0
20
40
60
80
100
0
0
1
3
5 10 15 20 25 30
Ambient temperature Ta []
Forward current IF[mA]
Relative radiant intensity vs. Ambient temperature
Relative radiant intensity PO
Relative intensity vs. Wavelength
0.25
10
0.2 Intensity [arb.]
0 20 40 60 80 100
0.15 0.1 0.05
1
0.1
-20
0 400
500
600
700
800
Ambient temperature Ta []
Wave Length[nm]
Forward current vs. Forward voltage
40 35 30 25 20 15 10 5 0 0
Radiant Pattern
Angle(deg)
Forward current IF[mA]
+4
0
+20
0
-20
-4
0
-6 0
+ 60
-80 -100
+80
+100
0
100
50
50
1.0 2.0 2.5 3.0 3.5 4.0
Forward voltage VF[V]
100
Relative intensity(%)
2/2


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