BRIGHT BL

BRIGHT LED ELECTRONICS CORP.
BL-B31V1G
SINCE 1981
● Features:
● Package dimensions
1. Chip material: GaAsP/GaP
2. Emitted color : Yellow
3.05(.120)
2.9(.114)
3. Lens Appearance : Yellow Diffused
4. Low power consumption.
5.40(.213)
5. High efficiency.
1.8(.071)
6. Versatile mounting on P.C. Board or panel.
1.5(.059)
MAX.
7. Low current requirement.
3.95(.156)
8. 3mm diameter package.
9. This product don’t contained restriction
substance, compliance ROHS standard.
Cathode
25.4(1.00) MIN.
0.5(.02)
SQ.TYP.
1.00(.039) MIN.
2.54(.100)
NOM.
● Applications:
1. TV set
2. Monitor
Notes:
3. Telephone
1. All dimensions are in millimeters (inches).
4. Computer
2. Tolerance is ±0.25mm (0.01”) unless otherwise specified.
3. Lead spacing is measured where the leads emerge from
the package.
4. Specifications are subject to change without notice.
5. Circuit board
● Absolute maximum ratings(Ta=25℃)
Parameter
Symbol
Rating
Unit
Power Dissipation
Pd
80
mW
Forward Current
IF
30
mA
Peak Forward Current*1
IFP
150
mA
Reverse Voltage
VR
5
V
Operating Temperature
Topr
-40℃~80℃
Storage Temperature
Tstg
-40℃~85℃
Soldering Temperature
Tsol
260℃(for 5 seconds)
*1Condition for IFP is pulse of 1/10 duty and 0.1msec width.
Ver.2.0 Page: 1 of 2
BRIGHT LED ELECTRONICS CORP.
BL-B31V1G
SINCE 1981
● Electrical and optical characteristics(Ta=25℃)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Forward Voltage
VF
IF=20mA
-
2.1
2.6
V
Luminous Intensity
Iv
IF=20mA
-
30
-
mcd
Reverse Current
IR
VR=5V
-
-
100
µA
Peak Wave Length
λp
IF=20mA
-
585
-
nm
Dominant Wave Length
λd
IF=20mA
582
-
595
nm
Spectral Line Half-width
∆λ
IF=20mA
-
35
-
nm
Viewing Angle
2θ1/2
IF=20mA
-
35
-
deg
● Typical electro-optical characteristics curves
Fig.2 Forward current derating curve
vs. Ambient temperature
Fig.1 Relative intensity vs. Wavelength
1.0
60
Forward current(mA)
Relative radiant intensity
50
0.5
40
30
20
10
0
535
585
0
635
20
Wavelength λ(nm)
Fig.3 Forward current vs. Forward voltage
Relative luminous intensity
Forward current(mA)
80
100
3.0
40
30
20
10
1
2
3
4
2.5
2.0
1.5
1.0
0.5
0
-40
5
Forward voltage(V)
-20
0
40
20
60
Ambient temperature Ta(℃)
Fig.5 Relative luminous intensity
vs. Forward current
Fig.6 Radiation diagram
0
4.0
10
20
30
Relative radiant intensity
Relative luminous intensity(@20mA)
60
Fig.4 Relative luminous intensity
vs. Ambient temperature
50
0
40
Ambient temperature Ta(℃)
3.0
2.0
1.0
1.0
40
0.9
50
60
0.8
70
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)
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