I
F
- DC FORWARD CURRENT (mA)
RELATIVE LUMNOUS INTENSITY
(NORMALIZED AT 20 mA)I
F
- FORWARD CURRENT (mA)
Fig. 2 Relative Luminous Intensity
vs. DC Forward Current
2.5
2.0
1.5
1.0
0.5
0.0
01020304050
100
90
80
70
60
50
40
30
20
10
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0
V
F
- FORWARD VOLTAGE (V)
I
F
- FORWARD CURRENT (mA)
Fig. 1 Forward Current vs. Forward Voltage
-80˚ 80˚
-70˚ 70˚
-60˚ 60˚
-50˚ 50˚
-40˚ 40˚
-30˚ 30˚
-20˚ 20˚
-10˚ 10˚
0˚
1.0 0.8 0.6 0.4 0.2 0 0.2 0.4 0.6 0.8 1.0
-90˚ 90˚
REL. LUMINOUS INTENSITY (%)
AMBIENT TEMPERATURE T
A
(˚C)
50
40
30
20
10
0
0 255075100
Fig.5 Maximum Forward Current
vs. Ambient Temperature
Fig.4 Radiation Diagram
Fig. 3 Relative Intensity vs. Peak Wavelength
1.0
0.5
0
400 450 500 550 600 650
RELATIVE INTENSITY
WAVELENGTH (nm)
IB
IW IG
IG
IB and IW
IW
IB IG
TYPICAL PERFORMANCE CURVES (QTLP670C-IG, -IB and -IW)
SURFACE MOUNT LED LAMP
SUPER BRIGHT PLCC-2
QTLP670C-T Red QTLP670C-S Red QTLP670C-R Red
QTLP670C-E Orange QTLP670C-O Yellow-Orange QTLP670C-Y Yellow
QTLP670C-AG Yellow-Green QTLP670C-IG True Green QTLP670C-IB Blue
QTLP670C-IW White
DS300236 8/31/01 5 OF 8 www.fairchildsemi.com
