90?/DIV>
SCANNING ANGLE (deg)
Y
X
SML-310 / SML-311 series
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 Dominontwavelength D LuminousintensityIV
Typ.
(V)
IF(mA)
Max.
( A)
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
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
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
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
SCANNINGANGLE(deg)
RELATIVEINTENSITY(%)
SCANNINGANGLE(deg)
RELATIVEINTENSITY(%)
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
SML-31series
Features
1608standardsize(1.6 0.8mm,t=0.8mm)
Abundantcolorvariationswithdiverseluminousintensitytypes
1608(0603)
1.6 0.8mm(t=0.8mm)
1/3
?2012 ROHM Co., Ltd. All rights reserved.
www.rohm.com
2012.11 - Rev.C