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BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BL-BYG274
Package dimensions:
and GaP/GaP(Green)
5.0(.197)
Features:
1. Chip material: GaAsP/GaP(Yellow) 2. Emitted color : Yellow and Green 3. Lens Appearance : White Diffused 4. Low power consumption. 5. High efficiency. 6. Versatile mounting on P.C. Board or panel. 7. Low current requirement. 8. 5mm diameter package. 9. This product don't contained restriction substance, compliance ROHS standard.
8.62(.339) 1.0(.04)
Green Cathode
Yellow Cathode
1.5(.059) MAX. 25.4(1.0) MIN. 5.7(.22) 0.5(.02) SQ. TYP. 1.0(.04) MIN.
2.54(.10) NOM.
Applications:
1. TV set 2. Monitor 3. Telephone 4. Computer 5. Circuit board
Notes: 1. All dimensions are in millimeters (inches). 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.
Absolute Maximum Ratings(Ta=25)
Parameter Power Dissipation Forward Current Peak Forward Current*1 Operating Temperature Storage Temperature Soldering Temperature Symbol Pd IF IFP Topr Tstg Tsol Yellow 80 30 150 -40~80 -40~85 260(for 5 seconds) Green 80 30 150 Unit mW mA mA
*1Condition for IFP is pulse of 1/10 duty and 0.1msec width.
Ver.2.0 Page: 1 of 2
BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BL-BYG274
Electrical and optical characteristics(Ta=25) Parameter
Forward Voltage Luminous Intensity Peak Wave Length Dominant Wave Length Spectral Line Half-width Viewing Angle
Symbol
VF Iv p d 21/2
Condition
IF=20mA IF=20mA IF=20mA IF=20mA IF=20mA IF=20mA
Color
Yellow Green Yellow Green Yellow Green Yellow Green Yellow Green Yellow Green
Min.
582 560 -
Typ.
2.1 2.2 45. 50 585 568 35 30 50
Max.
2.6 2.6 595 576 -
Unit
V mcd nm nm nm deg
Typical Electro-Optical Characteristics Curves
Fig.1 Relative intensity vs. Wavelength
1.0
(G)
(Y)
60 50
Fig.2 Forward current derating curve vs. Ambient temperature
Relative radiant intensity
Forward current(mA)
40
0.5
30
20
10
0
500
570
640
0
20
40
60
80
100
Wavelength (nm)
Ambient temperature Ta()
Fig.3 Forward current vs. Forward voltage
50
Fig.4 Relative luminous intensity vs. Ambient temperature
3.0
(Y)
(G)
Relative luminous intensity
40
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 (G)
0 10 20 30
Relative luminous intensity(@20mA)
1.5
(Y)
Relative radiant intensity
1.0
40
1.0
0.9 0.8
50 60 70
0.5
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)
Ver.2.0 Page: 2 of 2

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