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参数资料
| 型号： | BL-B4537N |
| 厂商： | AMERICAN BRIGHT OPTOELECTRONICS CORP |
| 元件分类： | LED |
| 英文描述： | T-1 3/4 SINGLE COLOR LED, HIGH EFFICIENCY RED, 4.8 mm |
| 封装： | ROHS COMPLIANT PACKAGE-2 |
| 文件页数： | 2/2页 |
| 文件大小： | 166K |
| 代理商： | BL-B4537N |
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Ver.2.0 Page: 2 of 2
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
-
65
-
mcd
Reverse Current
IR
VR=5V
-
100
A
Peak Wave Length
λ
p
IF=20mA
-
640
-
nm
Dominant Wave Length
λ
d
IF=20mA
617
-
638
nm
Spectral Line Half-width
λ
IF=20mA
-
40
-
nm
Viewing Angle
2θ1/2
IF=20mA
-
45
-
deg
●
Typical electro-optical characteristics curves
Re
la
tiv
era
diant
intensi
ty
Fig.6 Radiation diagram
Fig.3 Forward current vs. Forward voltage
Fig.4 Relative luminous intensity
1.5
Re
lat
ive
lu
mino
us
in
tensity(@20mA)
0
0.5
1.0
Forward current (mA)
20
10
30
40
50
Fig.5 Relative luminous intensity
2.0
0
F
or
w
ard
cur
rent
(mA)
20
10
30
40
50
vs. Forward current
2
Forward voltage(V)
13
5
4
Ambient temperature Ta( )
℃
vs. Ambient temperature
0.5
-40
0
-20
20
0
2.0
Re
lat
iv
elum
ino
us
in
tensi
ty
1.0
1.5
2.5
3.0
60
40
Fig.1 Relative intensity vs. Wavelength
Re
lat
ive
r
adiant
in
tensi
ty
540
0
0.5
1.0
Wavelength λ(nm)
640
740
Ambient temperature Ta( )
℃
vs. Ambient temperature
Fig.2 Forward current derating curve
Forwar
dc
urre
nt
(mA)
0
20
10
30
20
40
60
40
50
60
100
80
0.7
1.0
0.9
0.8
0.5
0.3
0.1
0.2
0
10
40
50
60
70
80
90
0.4
0.6
30
20
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