SML-21 Series
lFeatures
• Nomal type and Low current type line-up.
lOutline
Data
Sheet
lSize
1006 (0402)
2012 (0805)
2.0×1.25mm (t=0.8mm)
1.0×0.6mm (t=0.2mm)
lDimensions
2.0
1.4
Color
Type
V
Y
U
W
D
lRecommended
Solder Pattern
*
Cathode Index
1.25
1.2
Electrode
0.25
Tolerance :
0.1
(unit : mm)
*
: At least one mark appear on cathode side.
0.8
(unit : mm)
lSpecifications
Part No.
Chip
Structure
Emitting
Color
Absolute Maximum Ratings (Ta=25ºC)
Peak Forward
Reverse
Operating Temp.
Storage Temp.
Dissipation
Current
Current
Voltage
P
D
(mW)
I
F
(mA) I
FP
(mA) V
R
(V)
Topr(ºC)
Tstg(ºC)
Power
Forward
Electrical and Optical Characteristics (Ta=25ºC)
Forward Voltag V
F
Reverse Current I
R
Typ.
(V)
I
F
(mA)
Max.
(mA)
V
R
(V)
Dominant Wavelength
lD
Luminous Intensity I
V
I
F
Min. Typ.
Min.*
3
Typ.
Max.*
3
I
F
(nm)
(nm)
(nm)
(mA) (mcd) (mcd) (mA)
SML-212VT
75
SML-212U2T(A)
SML-211UT
SML-212DT
SML-211DT
SML-212WT(A)
SML-211WT
Yellow
60*
30
Red
44
75
AIGaInP
on GaAs
Orange
1
4
5
-30
to
+85
-40
to
+85
2.05
20
2
1.8
2
20
2
20
2
20
2
100
10
4
5
625
611
615
630
615
620
635
20
619
625
2
20
22
71
0.9
25
0.9
112
1.4
22
1.4
63
20
140
2.5
63
2.5
224
4
63
4
2
20
2
20
2
20
2
100*
20
30
20
30
20
30
20
2
-40
to
+100 -40
to
+100
60*
1
4
-30
to
+85
-40
to
+85
2.05
1.8
100
4
602
605
608
44
75
44
75
44
2
10
5
587
590
593
2
100
4
584
587
590
2
20
20
100*
2
5
-40
to
+100 -40
to
+100
2
1.8
SML-212YT
SML-211YT
60*
1
4
-30
to
+85
-40
to
+85
2.05
1.8
*1
: Duty1/5, 200Hz
*2
: Duty1/10, 1kHz
*3
: Reference
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© 2014 ROHM Co., Ltd. All rights reserved.
1/9
2014.11 - Rev.D
SML-21 Series
lElectrical
Characteristics Curves
Data Sheet
Fig.1 Forward Current - Forward Voltages
Ta=25ºC
Fig.2 Luminous Intensity -
Atmosphere Temperature
RELATIVE LUMINOUS INTENSITY [a.u.]
1.6
I
F
=20mA
100
FORWARD CURRENT : I
F
[mA]
SML-212VT
SML-212UT
SML-212DT
SML-212YT
SML-212U2T(A)
SML-212WT(A)
1.4
1.2
1
0.8
10
0.6
0.4
-40
SML-212VT
SML-212UT
SML-212DT
SML-212YT
SML-212U2T(A)
SML-212WT(A)
1
1.4
1.6
1.8
2.0
2.2
2.4
-20
0
20
40
60
80
100
FORWARD VOLTAGE : V
F
[V]
ATMOSPHERE TEMPERATURE : Ta [ºC]
Fig.3 Luminous Intensity - Forward Current
SML-212VT
SML-212UT
SML-212DT
SML-212YT
SML-212U2T(A)
SML-212WT(A)
Fig.4 Derating
MAXIMUM FORWARD CURRENT : [mA]
40
1.6
RELATIVE LUMINOUS INTENSITY
Ta=25ºC
1.2
30
0.8
20
0.4
10
SML-212VT
SML-212UT
SML-212DT
SML-212YT
SML-212U2T(A)
SML-212WT(A)
0.0
0
5
10
15
20
25
30
0
-40
-20
0
20
40
60
80
100
FORWARD CURRENT : I
F
[mA]
AMBIENT TEMPERATURE : Ta [ºC]
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© 2014 ROHM Co., Ltd. All rights reserved.
2/9
2014.11 - Rev.D
SML-21 Series
lElectrical
Characteristics Curves
Data Sheet
Fig.1 Forward Current - Forward Voltages
SML-211UT
SML-211DT
SML-211WT
SML-211YT
Fig.2 Luminous Intensity -
Atmosphere Temperature
RELATIVE LUMINOUS INTENSITY [a.u.]
1.6
I
F
=2mA
100
Ta=25ºC
FORWARD CURRENT : I
F
[mA]
1.4
1.2
1
0.8
10
0.6
0.4
-40
SML-211UT
SML-211DT
SML-211WT
SML-211YT
1
1.4
1.6
1.8
2.0
2.2
2.4
-20
0
20
40
60
80
100
FORWARD VOLTAGE : V
F
[V]
ATMOSPHERE TEMPERATURE : Ta [ºC]
Fig.3 Luminous Intensity - Forward Current
MAXIMUM FORWARD CURRENT : [mA]
10
Fig.4 Derating
30
SML-211UT
SML-211DT
SML-211WT
SML-211YT
RELATIVE LUMINOUS INTENSITY
SML-211UT
SML-211DT
SML-211WT
SML-211YT
20
5
10
Ta=25ºC
0
0
4
8
12
16
20
0
-40
-20
0
20
40
60
80
100
FORWARD CURRENT : I
F
[mA]
AMBIENT TEMPERATURE : Ta [ºC]
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© 2014 ROHM Co., Ltd. All rights reserved.
3/9
2014.11 - Rev.D
SML-21 Series
lSpectrum
Data
Data Sheet
1.0
I
F
=20mA
SML-212VT
SML-211UT
SML-212DT
SML-212WT
INTENSITY [a.u.]
0.8
0.6
0.4
0.2
380
480
580
680
780
0.0
WAVELENGTH [nm]
* Please take this data as a reference data for the samples are measured randomly.
* The data is relativized for each color. It is NOT to show the spectrum peaks are equal.
lViewing
Angle
SCANNING ANGLE (deg)
Scanning
Direction
SCANNING ANGLE (deg)
Scanning
Direction
SML-21 series
RELATIVE INTENSITY
RELATIVE INTENSITY
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© 2014 ROHM Co., Ltd. All rights reserved.
4/9
2014.11 - Rev.D
SML-21 Series
lRank
Reference of Brightness
Red(V,U)
Rank
Iv (mcd)
SML-212VT*
2
SML-211UT*
1
G
H
J
K
L
M
10 to 16
Data Sheet
(Ta=25ºC, I
F
=20mA,
*1
: I
F
=2mA)
N
16 to 25
P
25 to 40
Q
40 to 63
R
63 to 100
S
T
U
V
W
X
1.0 to 1.6 1.6 to 2.5 2.5 to 4.0 4.0 to 6.3 6.3 to 10
100 to 160 160 to 250 250 to 400 400 to 630
630 to 1000 1000 to 1600
(Ta=25ºC, I
F
=20mA)
Rank
Iv (mcd)
SML-212U2T(A)
AJ
AK
AL
AM
AN
AP
AQ
56 to 71
AR
71 to 90
AS
AT
AU
AV
AW
AX
AY
AZ
14 to 18 18 to 22.4 22.4 to 28 28 to 35.5 35.5 to 45 45 to 56
90 to 112 112 to 140 140 to 180 180 to 224 224 to 280 280 to 355 280 to 355 355 to 450
Orange(D)
Rank
Iv (mcd)
SML-212DT
SML-211DT*
1
*
2
G
H
J
K
L
M
10 to 16
(Ta=25ºC, I
F
=20mA,
*1
: I
F
=2mA)
N
16 to 25
P
25 to 40
Q
40 to 63
R
63 to 100
S
T
U
V
W
X
1.0 to 1.6 1.6 to 2.5 2.5 to 4.0 4.0 to 6.3 6.3 to 10
100 to 160 160 to 250 250 to 400 400 to 630
630 to 1000 1000 to 1600
Yellow(Y,W)
Rank
Iv (mcd)
SML-212Y T
SML-211Y T*
1
*
2
SML-211WT*
1
*
2
G
H
J
K
L
M
10 to 16
(Ta=25ºC, I
F
=20mA,
*1
: I
F
=2mA)
N
16 to 25
P
25 to 40
Q
40 to 63
R
63 to 100
S
T
U
V
W
X
1.0 to 1.6 1.6 to 2.5 2.5 to 4.0 4.0 to 6.3 6.3 to 10
100 to 160 160 to 250 250 to 400 400 to 630
630 to 1000 1000 to 1600
(Ta=25ºC, I
F
=20mA)
Rank
Iv (mcd)
SML-212WT(A)
AJ
AK
AL
AM
AN
AP
AQ
56 to 71
AR
71 to 90
AS
AT
AU
AV
AW
AX
AY
AZ
14 to 18 18 to 22.4 22.4 to 28 28 to 35.5 35.5 to 45 45 to 56
90 to 112 112 to 140 140 to 180 180 to 224 224 to 280 280 to 355 280 to 355 355 to 450
*2 : Brightness on specification sheet include tolerance of within ±10%.
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© 2014 ROHM Co., Ltd. All rights reserved.
5/9
2014.11 - Rev.D