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Data Sheet
0.8
0.85
0.8
0.25
0.8
1.2
1.6
0.8
1.0
Terminal
Cathode mark
Tolerance:±0.1
(unit:mm)
RELATIVE INTENSITY (%)
10°
20°
40°
50°
70°
80°
40°
50°
70°
80°
0
50
100
50
100
0°
30°
60°
90°
30°
60°
90°
Y
X
SCANNING ANGLE (deg)
RELATIVE INTENSITY (%)
10°
20°
40°
50°
70°
80°
40°
50°
70°
80°
0
50
100
50
100
0°
30°
60°
90°
30°
60°
90°
Y’
X’
SCANNING ANGLE (deg)
Y’
X’
RELATIVE INTENSITY (%)
10°
20°
40°
50°
70°
80°
40°
50°
70°
80°
0
50
100
50
100
0°
30°
60°
90°
30°
60°
90°
SCANNING ANGLE (deg)
RELATIVE INTENSITY (%)
10°
20°
40°
50°
70°
80°
40°
50°
70°
80°
0
50
100
50
100
0°
30°
60°
90°
30°
60°
90°
SCANNING ANGLE (deg)
Y
X
SML-310 / SML-311 series / SML310BAT
SML312 series
※1:Duty1/5,200Hz/※2:Duty1/10,1kHz
PartNo.
LED
chip
Emitting
color
Absolutemaximumratings(Ta=25℃)
Electricalandopticalcharacteristics(Ta=25℃)
Power
dissipation
PD(mW)
Forward
current
IF(mA)
Peakforward
current
IFP(mA)
Reverse
voltage
VR(V)
Operating
temperature
Topr(℃)
Storage
temperature
Tstg(℃)
ForwardvoltageVF ReversecurrentIR DominontwavelengthλD LuminousintensityIV
Typ.
(V) IF(mA)
Max.
(μA) VR(V)
Min.
(nm)
Typ.
(nm)
Max.
(nm) IF(mA)
Min.
(mcd)
Typ.
(mcd) IF(mA)
SML-310VT
GaAsPonGaP
Red
55
20
60※1
4
-30to+85
-40to+85
2
20
100
4
625
630
635
20
1.4
4
20
SML-311UT
AlGaInP
onGaAs
44
1.8
2
615
620
625
2
0.9
2.5
2
SML-311DT
Orange
602
605
608
1.6
3.15
SML-310DT
GaAsPonGaP
55
2
20
2.2
6.3
20
SML-311WT
AIGaInP
onGaAs
Yellow
44
1.8
2
587
590
593
2
0.9
2.5
2
SML-311YT
584
587
590
SML-310YT
GaAsPonGaP
55
2.1
20
2.2
6.3
20
SML-310MT
GaP
Yellowish
Green
2.2
567
570
573
3.6
16
SML-310PT
Green
557
560
563
1.4
4
SML312ECT
InGaN
onSiC
Bluish
Green
84
100※2
5
-40to+100
3.3
5
520
527
535
90
200
SML312EC4T
3.2
525
36
90
SML312BCT
Blue
3.3
464
470
476
22
63
SML312BC4T
3.2
46
SML310BAT
94
70※2
3.8
460
466
472
1.4
3.6
SML312WBCW(A)
White
108
30
100※2
-40to+100
3.0
5
(x,y)(0.30,0.29)
5
45
71
5
SCANNINGANGLE(deg)
RELATIVEINTENSITY(%)
SCANNINGANGLE(deg)
RELATIVEINTENSITY(%)
SCANNINGANGLE(deg)
RELATIVEINTENSITY(%)
SCANNINGANGLE(deg)
RELATIVEINTENSITY(%)
RELATIVE INTENSITY (%)
10°
20°
40°
50°
70°
80°
40°
50°
70°
80°
0
50
100
50
100
0°
30°
60°
90°
30°
60°
90°
SCANNING ANGLE (deg)
X’ - Y’
RELATIVE INTENSITY (%)
10°
20°
40°
50°
70°
80°
40°
50°
70°
80°
0
50
100
50
100
0°
30°
60°
90°
30°
60°
90°
SCANNING ANGLE (deg)
X - Y
SML312WBCW(A)
SCANNINGANGLE(deg)
RELATIVEINTENSITY(%)
SCANNINGANGLE(deg)
RELATIVEINTENSITY(%)
Product Specifications
Dimensions
Recommended Solder Pattern Viewing Angle
SML312BCT/ECT
SML312BC4T/EC4T
Color
Type
V
U
D
Y
W
M
P
E
B
WB
SML-31series
Features
·1608standardsize(1.6×0.8mm,t=0.8mm)
·Abundantcolorvariationswithdiverseluminousintensitytypes
1608(0603)
1.6×0.8mm(t=0.8mm)
1/3
2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com
2011.02 - Rev.A