Light Emitting Diode(White Color) KLB-521 W Unit : [mm] DIMENSIONS KLP-521 W is a white color LED, which has a blue LED chip and is encapsulated by epoxy mixed with phosphor. Features • Transparent epoxy lens • High Optical Output Applications • Display • Indicator • Signage • Camera [ Ta=25°C ] Maximum Ratings Parameter Reverse voltage Symbol VR Ratings 5 Unit V IF 30 mA IFP 0.5 A PD 105 mW Forward current Pulse forward current Power dissipation *1 Operating temperature Topr. -30 ~ +85 °C Storage temperature Tstg. -40 ~ +100 °C Soldering Temperature *2 Tsol. 260 °C *1. IFP Measured under duty ≤ 1/10 @ 1KHz *2. Soldering time ≤ 5 Sec Keep the distance more than 3mm from soldering foundation. Electro-Optical Characteristics Parameter Forward voltage Reverse current Luminous Intensity Color Coordinate Half angle [ Ta=25°C ] Conditions IF = 20 mA Min - Typ 3.2 Max 3.5 Unit V IR VR = 5 V - - 50 uA Iv X Y 2∆Θ1/2 IF = 20 mA 2 0.264 0.248 - 3 90 0.356 0.385 - cd Symbol VF IF = 20 mA IF = 20 mA 1/2 deg. Light Emitting Diode(White Color) KLB-520 W Forward current vs. Ambient temperature Radiant Intensity vs. Forward current 2.0 40 Relative intensity Forward current IF[mA] 50 30 20 10 0 0 20 40 60 80 1.0 0.5 0 100 1 0 5 10 15 20 25 30 3 Forward current IF[mA] Ambient temperature Ta [℃] Relative intensity vs. Wavelength Relative radiant intensity vs. Ambient temperature 0.2 10 Intensity [arb.] Relative radiant intensity PO 0.25 1 0.1 0.15 0.1 0.05 -20 0 20 40 60 80 0 400 100 500 Ambient temperature Ta [℃] 700 800 Radiant Pattern Angle(deg) 0 0 -20 -4 0 0 + 60 +4 +20 -6 +80 -80 -100 0 +100 Forward current IF[mA] Forward current vs. Forward voltage 40 35 30 25 20 15 10 5 0 0 600 Wave Length[nm] 100 1.0 2.0 2.5 3.0 3.5 4.0 Forward voltage VF[V] 50 50 Relative intensity(%) 2/2 100