BRIGHT BL

BRIGHT LED ELECTRONICS CORP.
BL-BYG271
SINCE 1981
● Features:
● Package Dimensions:
1. Chip material: GaAsP/GaP(Yellow)
and GaP/GaP (Green)
3.00(.118)
2. Emitted color :yellow and green
3. Lens Appearance : White Diffused
5.30(.209)
0.81(.032)
4. Low power consumption.
5. High efficiency.
6. Versatile mounting on P.C. Board or panel.
1.5(.059)
MAX.
Green
Cathode
7. Low current requirement.
Yellow
Cathode
25.4(1.0) MIN.
8. 3mm diameter package
9. This product don’t contained restriction
0.5(.02)
SQ. TYP.
3.8(.15)
substance, compliance ROHS standard.
1.0(.04) MIN.
2.54(.10)
NOM.
Notes:
● Applications:
1. All dimensions are in millimeters (inches).
1. TV set
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.
2. Monitor
3. Telephone
4. Computer
5. Circuit board
● Absolute Maximum Ratings(Ta=25℃)
Parameter
Symbol
Yellow
Green
Unit
Power Dissipation
Pd
80
80
mW
Forward Current
IF
30
30
mA
Peak Forward Current*1
IFP
150
150
mA
Reverse Voltage
VR
5
Operating Temperature
Topr
-40℃~80℃
Storage Temperature
Tstg
-40℃~85℃
Soldering Temperature
Tsol
260℃(for 5 seconds)
V
*1Condition for IFP is pulse of 1/10 duty and 0.1msec width.
Ver.1.0
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BRIGHT LED ELECTRONICS CORP.
BL-BYG271
SINCE 1981
● Electrical and optical characteristics(Ta=25℃)
Parameter
Symbol Condition
Forward Voltage
VF
IF=20mA
Luminous Intensity
Iv
IF=20mA
Reverse Current
IR
VR=5V
Peak Wave Length
λp
IF=20mA
Dominant Wave Length
λd
IF=20mA
Spectral Line Half-width
∆λ
IF=20mA
Viewing Angle
2θ1/2
IF=20mA
Color
Min.
Yellow
Green
Yellow
Green
Yellow
Green
Yellow
Green
Yellow
Green
Yellow
Green
Yellow
Green
Typ.
Max.
Unit
2.1
2.2
15
30
2.6
2.6
V
-
mcd
-
100
µA
582
560
-
585
568
35
30
-
nm
595
576
nm
-
nm
45
-
deg
-
● Typical Electro-Optical Characteristics Curves
Fig.1 Relative intensity vs. Wavelength
Fig.2 Forward current derating curve
vs. Ambient temperature
(Y)
(G)
1.0
60
Forward current(mA)
Relative radiant intensity
50
0.5
40
30
20
10
0
500
570
0
640
20
Wavelength λ (nm)
Fig.3 Forward current vs. Forward voltage
80
100
3.0
Relative luminous intensity
(Y)
40
Forward current(mA)
60
Fig.4 Relative luminous intensity
vs. Ambient temperature
50
(G)
30
20
10
0
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
(G)
2.0
10
20
30
1.5
(Y)
1.0
0.5
Relative radiant intensity
Relative luminous intensity(@20mA)
40
Ambient temperature Ta(℃)
1.0
40
0.9
50
0.8
60
70
0.7
80
90
0
5
10
20
30
40
50
0.5
0.3
0.1
0.2
0.4
0.6
Forward current (mA)
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