BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BL-B4534-1
Unit
V
mcd
µA
nm
nm
nm
deg
●
Electrical and optical characteristics(Ta=25
℃
)
Parameter
Symbol Condition
Forward Voltage
Luminous Intensity
Reverse Current
Peak Wave Length
Dominant Wave Length
Spectral Line Half-width
Viewing Angle
VF
Iv
IR
λp
λd
∆λ
2θ1/2
IF=20mA
IF=20mA
VR=5V
IF=20mA
IF=20mA
IF=20mA
IF=20mA
Min.
-
-
-
-
617
-
-
Typ.
2.0
65
-
640
-
45
40
Max.
2.6
-
100
-
638
-
-
●
Typical Electro-Optical Characteristics Curves
Fig.1 Relative intensity vs. Wavelength
1.0
60
Fig.2 Forward current derating curve
vs. Ambient temperature
50
Relative radiant intensity
Forward current(mA)
40
0.5
30
20
10
0
540
640
740
0
20
40
60
80
100
Wavelength
λ(nm)
Ambient temperature Ta(
℃
)
Fig.3 Forward current vs. Forward voltage
50
3.0
Fig.4 Relative luminous intensity
vs. Ambient temperature
40
Relative luminous intensity
2.5
Forward current(mA)
2.0
30
1.5
20
1.0
10
0.5
0
1
2
3
4
5
0
-40
-20
0
20
40
60
Forward voltage(V)
Ambient temperature Ta(
℃
)
Fig.5 Relative luminous intensity
vs. Forward current
2.0
Fig.6 Radiation diagram
0
10
20
30
Relative luminous intensity(@20mA)
1.5
Relative radiant intensity
1.0
40
1.0
0.9
0.8
50
60
70
0.5
0.7
80
90
0
10
20
30
40
50
0.5
0.3
0.1
0.2
0.4
0.6
Forward current (mA)
Ver.2.0 Page: 2 of 2
BRIGHT [ BRIGHT LED ELECTRONICS CORP ]
