SML-310JT 查看數據表（PDF） - ROHM Semiconductor
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SML-310JT Datasheet PDF : 5 Pages
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LED lamps
SML-310 Series
!Electrical and optical characteristics (Ta=25°C)
Parameter
Type
JT
LT
VT
SML-310 DT
YT
MT
FT
PT
Color
Red
Red
Red
Orange
Yellow
Green
Green
Green
Forward voltage
Reverse
current
Luminous intensity
Peak
Spectral line
wavelength half width
VF(V) Cond. IR(µA) Cond. IV(mcd) Cond. λP(m) Cond. ∆λ(nm) Cond.
Typ. Max. IF(mA) Max. VR(V) Min. Typ. IF(mA) Typ. IF(mA) Typ. IF(mA)
1.9 2.5 20 100 4 14.0 40.0 20 660 20 25 20
1.75 2.5 20 100 4 3.6 10.0 20 660 20 25 20
2.0 2.8 20 100 4 1.4 4.0 20 650 20 40 20
2.0 2.8 20 100 4 2.2 6.3 20 610 20 40 20
2.1 2.8 20 100 4 2.2 6.3 20 585 20 40 20
2.2 2.8 20 100 4 3.6 16.0 20 570 20 40 20
2.2 2.8 20 100 4 1.4 4.0 20 560 20 40 20
2.2 2.8 20 100 4 1.4 4.0 20 555 20 40 20
!Directional pattern
(X-Y)
20
30
40
50
60
ANGLE (˚)
10 0 10
20
30
40
50
60
(X'-Y' )
20
30
40
50
60
ANGLE (˚)
10 0 10
20
30
40
50
60
70
70
70
70
80
80
80
80
90
100
50
0
50
RELATIVE LUMINOUS INTENSITY (%)
90
100
90
100
50
0
50
RELATIVE LUMINOUS INTENSITY (%)
90
100
Fig. 1 Directional pattern
!Electrical characteristics curves 1 (SML-310LT, SML-310JT) (Bright red)
50
SML-310LT
1.6
Ta=25˚C
20
SML-310JT
1.4
IF = 20mA
10
5.0
1.2
2.0
1.0
0.5
0.2
0.1
1.5
2.0
2.5
3.0
FORWARD VOLTAGE : VF (V)
1.0
SML-310JT
0.8
0.6
SML-310LT
0.4
-20 0 20 40 60 80
CASE TEMPERATURE : Tc (˚C)
Fig. 2 Forward current
Fig. 2 vs. forward voltage
Fig. 3 Luminous intensity vs.
case temperature
5
Ta=25˚C
2
1
SML-310LT
0.5
SML-310JT
0.2
0.1
0.05
0.02
0.01
0.5 1 2
5 10 20 50 100
FORWARD CURRENT : IF (mA)
Fig. 4 Luminous intensity vs.
forward current
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