BL-R4621D Datasheet, PDF (2/2 Pages) BRIGHT LED ELECTRONICS CORP – GaAsP/GaP Hi-Eff Red Low power consumption.

BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BL-R4621D
● Electrical and optical characteristics(Ta=25℃)
Parameter
Symbol Condition Min.
Typ.
Max.
Unit
Forward Voltage
V_F
I_F=20mA
-
2.1
2.6
V
Luminous Intensity
Iv
I_F=20mA
-
12
-
mcd
Reverse Current
I_R
V_R=5V
-
-
100
µA
Peak Wave Length
λp
I_F=20mA
-
640
-
nm
Dominant Wave Length
λd
I_F=20mA
617
-
638
nm
Spectral Line Half-width
∆λ
I_F=20mA
-
40
-
nm
Viewing Angle
2θ_1/2
I_F=20mA
-
80
-
deg
● Typical electro-optical characteristics curves
Fig.1 Relative intensity vs. Wavelength
1.0
0.5
0
540
640
740
Wavelength λ (nm)
Fig.2 Forward current derating curve
vs. Ambient temperature
60
50
40
30
20
10
0
20
40
60
80
100
Ambient temperature Ta(℃)
Fig.3 Forward current vs. Forward voltage
50
40
30
20
10
0
1
2
3
4
5
Forward voltage(V)
Fig.4 Relative luminous intensity
vs. Ambient temperature
3.0
2.5
2.0
1.5
1.0
0.5
0
-40
-20
0
20
40
60
Ambient temperature Ta(℃)
Fig.5 Relative luminous intensity
vs. Forward current
2.0
1.5
1.0
0.5
0
10
20
30
40
50
Forward current (mA)
Fig.6 Radiation diagram
0 10
20
30
1.0
0.9
0.8
0.7
0.5 0.3 0.1
40
50
60
70
80
90
0.2 0.4 0.6
Ver.2.0 Page 2 of 2