B
BR
RI
IG
GH
HT
T
L
LE
ED
D
E
EL
LE
EC
CT
TR
RO
ON
NI
IC
CS
S
C
CO
OR
RP
P.
.
B
BL
L-
-C
C2
29
9C
C/
/G
GW
WE
EG
GW
W-
-3
34
4N
N-
-1
1-
-7
74
4H
H
Ver.1.0 Page: 1 of 2
SINCE 1981
0(.197)
2.54(.10)NOM.
6.1(.240)
9.7(.382)
0.5(.02)
SQ.TYP
3.3(.130)
12.7(.50)
8.1(.319)
5.5(.216)
BL-BEG274N
90 5
BL-B2234NCathode
BL-BEG274N
11.0(.4334.3(.169)
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.
● Features: ●Package dimensions
1. Chip material: GaAsP/GaP (Hi-Eff Red)
and GaP/GaP (Green)
2. Emitted color : Hi-Eff Red and Green
3. Lens Appearance : White Diffused
4. Designed for ease in circuit board assembly.
5. Black case enhance contrast ratio.
6. Solid state light source.
7. Reliable and rugged.
● Applications:
1. TV set
2. Monitor
3. Telephone
4. Computer
5. Circuit board
● Absolute Maximum Ratings(Ta=25℃)
Parameter Symbol Hi-Eff Red Green Unit
Power Dissipation Pd 80 80 mW
Forward Current IF 30 30 mA
Peak Forward Current*1 I
FP 150 150 mA
Reverse Voltage V
R 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.
B
BR
RI
IG
GH
HT
T
L
LE
ED
D
E
EL
LE
EC
CT
TR
RO
ON
NI
IC
CS
S
C
CO
OR
RP
P.
.
B
BL
L-
-C
C2
29
9C
C/
/G
GW
WE
EG
GW
W-
-3
34
4N
N-
-1
1-
-7
74
4H
H
Ver.1.0 Page: 2 of 2
SINCE 1981
● Electrical and optical characteristics(Ta=25℃)
Parameter Symbol Condition Color Min. Typ. Max. Unit
Forward Voltage VF I
F=20mA Hi-Eff Red
Green - 2.1
2.2
2.6
2.6 V
Hi-Eff Red 60
BL-BEG274N Green 70
Luminous Intensity Iv IF=20mA
BL-B2234N Green
-
80
- mcd
Reverse Current IR V
R=5V Hi-Eff Red
Green - - 100
µA
Peak Wave Length λp IF=20mA Hi-Eff Red
Green - 640
568 - nm
Dominant Wave
Length λd IF=20mA Hi-Eff Red
Green
617
560 - 638
576 nm
Spectral Line
Half-width ∆λ IF=20mA Hi-Eff Red
Green - 35
30 - nm
Hi-Eff Red
BL-BEG274N Green 50
Viewing Angle 2θ1/2 I
F=20mA
BL-B2234N Green
-
40
- deg
● Typical Electro-Optical Characteristics Curves
Relative luminous intensity(@20mA)
5
0
1.0
2.0
4.0
3.0
6.0
5.0
Forward current (mA)
10 20 30 40 50
(E)
Fig.3 Forward current vs. Forward voltage
Fig.5 Relative luminous intensity
8.0
7.0
0
10
Forward current(mA)
20
30
40
50
vs. Forward current
Forward voltage(V)
123
(G)
45
(E) (G)
Relative radiant intensity
0.7
0.8
0.9
1.0
0.5 0.3 0.1 0.2
70
80
90
0.4 0.6
50
60
40
Fig.4 Relative luminous intensity
Ambient temperature Ta( )℃
vs. Ambient temperature
Relative luminous intensity
Fig.6 Radiation diagram
0
-40
0.5
010
-20 0 20
1.0
1.5
2.0
2.5
3.0
30
20
40 60
Fig.1 Relative intensity vs. Wavelength
Relative radiant intensity
500
0
0.5
1.0
Wavelength λ(nm)
580 640 720
(G) (E)
Ambient temperature Ta( )℃
vs. Ambient temperature
Fig.2 Forward current derating curve
Forward current(mA)
40
1010
0
20
30
20 40 60
50
60
100
80
BL-BEG274N
BL-B2234N
