Data Sheet
1.1
1.251.25 1.1
Terminal
Cathode mark
1.25
0.25
1.2
2.0
1.4
0.8
Tolerance : ±0.1
（unit : mm） （unit : mm）
＊1:Duty1/5, 200Hz / ＊2:Duty1/10, 1kHz / ＊3:Reference
Part No. Chip
Structure
Emitting
Color
Absolute Maximum Ratings (Ta＝25℃) Electrical and Optical Characteristics (Ta＝25℃)
Power
Dissipation
P
D
(mW)
Forward
Current
I
F
(mA)
Peak Forward
Current
I
FP
(mA)
Reverse
Voltage
V
R
(V)
Operating
Temperature
Topr(℃)
Storage
Temperature
Tstg(℃)
Forward Voltage V
F
Reverse Current I
R
Dominant Wavelength λD
Luminous Intensity I
V
Typ.(V)
I
F
(mA)
Max.
(μA) VR(V) Min.*3
(nm) Typ.
(nm) Max.*3
(nm)
I
F
(mA)
Min.
(mcd) Typ.
(mcd)
I
F
(mA)
■SML-212VT AIGaInP
on GaAs
Red
75 30
60*14 -30 to +85 -40 to +85
2.05
20
100 4 625 630 635
20
22 63
20
■SML-210VT GaAsP
on GaP 70 25
2
1.4 4
■SML-212U2T(A)
AIGaInP
on GaAs
75 30 100*25 -40 to +100 -40 to +100 10 5 611 615 619 71 140
■SML-211UT 44 20
60*14 -30 to +85 -40 to +85
1.8 2
100 4
615 620 625 2 0.9 2.5 2
■SML-212DT
Orange
75 30 2.05 20
602 605 608
20 25 63 20
■SML-211DT 44 20 1.8 2 2 0.9 2.5 2
■SML-210DT GaAsP
on GaP 70 25
2 20 20
2.2 6.3
20
■SML-212WT(A)
AIGaInP
on GaAs Yellow
75 30 100*25 -40 to +100 -40 to +100 10 5
587 590 593
112 224
■SML-211WT 44 20
60*14 -30 to +85 -40 to +85
1.8 2
100 4
2 1.4 4 2
■SML-212YT 75 30 2.05 20
584 587 590
20 22 63 20
■SML-211YT 44 20 1.8 2 2 1.4 4 2
■SML-210YT GaAsP on
GaP
70 25
2.1
20 20
2.2 6.3
20
■SML-210MT GaP
Yellowish
Green
2.2
567 570 573 3.6 16
■SML-210PT Green 557 560 563 1.4 4
RELATIVE LUMINOUS INTENSITY (%)
10°
10° 20°
20°
40°
50°
70°
80°
40°
50°
70°
80°
0 50 10050100
0°
30°
60°
90°
30°
60°
90°
YX
Angular Displacement (deg)
RELATIVE LUMINOUS INTENSITY (%)
10°
10° 20°
20°
40°
50°
70°
80°
40°
50°
70°
80°
0 50 10050100
0°
30°
60°
90°
30°
60°
90°
Y’X’
Angular Displacement (deg)
SML-21 Series
Directivity (deg)
RELATIVE INTENSITY (%)
Directivity (deg)
RELATIVE INTENSITY (%)
Dimensions
Recommended Solder Pattern
Viewing Angle
Specifications
Color
Type V U D
Y W M P
SML-21 Series
Features
・Abundant color variations with diverse luminous intensity types
2012（0805）
2.0×1.25mm（t=0.8mm）
1/3
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2010.11 - Rev.A
FORWARD CURRENT：IF (mA)
FORWARD VOLTAGE：VF (V)
100
10
2.5
2.01.5
1
Ta=25°C
MAXIMUM FORWARD CURRENT：IF(mA)
AMBIENT TEMPERATURE：Ta
(°C)
0
10
20
30
40
-40 -20 0 20 40 60 80 100
RELATIVE LUMINOUS INTENSITY (a.u.)
FORWARD CURRENT：IF (mA)
0 5 10 15 20
0
0.5
1.0
1.5 Ta=25°C
RELATIVE LUMINOUS INTENSITY (a.u.)
ATMOSPHERE TEMPERATURE：Ta
(°C)
1.4
1.2
1.0
0.8
0.6
0.4
-40 -20 0 20 40 60 80 100
1.6 IF=20mA
100
10
1
0.1
FORWARD CURRENT：IF (mA)
FORWARD VOLTAGE：VF (V)
2.0
1.5 2.5
Ta=25°C
MAXIMUM FORWARD CURRENT：IF(mA)
AMBIENT TEMPERATURE：Ta
(°C)
0
10
20
30
-40 -20 0 20 40 60 80 100
RELATIVE LUMINOUS INTENSITY (a.u.)
FORWARD CURRENT：IF (mA)
0 5 10 15 20
0
2
4
6
8
10
12 Ta=25°C
RELATIVE LUMINOUS INTENSITY (a.u.)
ATMOSPHERE TEMPERATURE：Ta
(°C)
1.4
1.2
1.0
0.8
0.6
0.4
-40 -20 0 20 40 60 80 100
1.6 IF=2mA
FORWARD CURRENT：IF (mA)
FORWARD VOLTAGE：VF (V)
100
10
2.5
2.01.5
1
Ta=25°C
MAXIMUM FORWARD CURRENT
：I
F
(mA)
AMBIENT TEMPERATURE：Ta
(°C)
0
10
20
30
-40 -20 0 20 40 60 80 100
RELATIVE LUMINOUS INTENSITY (a.u.)
FORWARD CURRENT：IF (mA)
0 5 10 15 20 25
0
0.5
1.0
1.5 Ta=25°C
RELATIVE LUMINOUS INTENSITY (a.u.)
ATMOSPHERE TEMPERATURE：Ta
(°C)
1.4
1.2
1.0
0.8
0.6
0.4
-40 -20 0 20 40 60 80 100
1.6 IF=20mA
■■
SML-
212
VT
■
SML-
212
DT
■
SML-
212
YT
■
SML-
212
U
2
T(A)
■
SML-
212
WT(A)
■■
SML-
212
VT
■
SML-
212
DT
■
SML-
212
YT
■
SML-
212
U
2
T(A)
■
SML-
212
WT(A)
■■
SML-
212
VT
■
SML-
212
DT
■
SML-
212
YT
■
SML-
212
U
2
T(A)
■
SML-
212
WT(A)
■■
SML-
212
VT
■
SML-
212
DT
■
SML-
212
YT
■
SML-
212
U
2
T(A)
■
SML-
212
WT(A)
■■
SML-
211
UT
■
SML-
211
DT
■
SML-
211
WT
■
SML-
211
YT
■■
SML-
211
UT
■
SML-
211
DT
■
SML-
211
WT
■
SML-
211
YT
■■
SML-
211
UT
■
SML-
211
DT
■
SML-
211
WT
■
SML-
211
YT
■■
SML-
211
UT
■
SML-
211
DT
■
SML-
211
WT
■
SML-
211
YT
■
■
■
■
■
SML-
210
VT
■
SML-
210
DT
■
SML-
210
YT
■
SML-
210
MT
■
SML-
210
PT
■
■
■
■
SML-
210
VT
■
SML-
210
DT
■
SML-
210
YT
■
SML-
210
MT
■
SML-
210
PT
■■
SML-
210
VT
■
SML-
210
DT
■
SML-
210
YT
■
SML-
210
MT
■
SML-
210
PT
■■
SML-
210
VT
■
SML-
210
DT
■
SML-
210
YT
■
SML-
210
MT
■
SML-
210
PT
Forward Current-Forward Voltage
Electrical Characteristics Curves
Luminous Intensity-Atmosphere Temperature
Luminous Intensity-Forward Current
Derating
SML-21 Series
2/3
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2010.11 - Rev.A
SML-212U2T(A)
＊
SML-212WT(A)
＊
Rank Reference of Brightness
Red (V, U) （Ta=25˚C, IF＝20mA）
Package
size(mm)
Luminous
Intensity
(mcd)
Height(mm)
G H J K L M N P Q R 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 10 to 16 16 to 25 25 to 40 40 to 63 63 to 100
100 to 160 160 to 250 250 to 400 400 to 630
630 to 1000 1000 to 1600
Mini-mold
Chip LEDs 20125 0.8 SML-211UT※/※1SML-212VT※
SML-210VT※
Orange (D) （Ta=25˚C, IF＝20mA）
Package
size(mm)
Luminous
Intensity
(mcd)
Height(mm)
G H J K L M N P Q R 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 10 to 16 16 to 25 25 to 40 40 to 63 63 to 100
100 to 160 160 to 250 250 to 400 400 to 630
630 to 1000 1000 to 1600
Mini-mold
Chip LEDs 20125 0.8 SML-211DT※/※1SML-212DT
SML-210DT※
Yellow (Y, W) （Ta=25˚C, IF＝20mA）
Package
size(mm)
Luminous
Intensity
(mcd)
Height(mm)
G H J K L M N P Q R 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 10 to 16 16 to 25 25 to 40 40 to 63 63 to 100
100 to 160 160 to 250 250 to 400 400 to 630
630 to 1000
1000 to 1600
Mini-mold
Chip LEDs 20125 0.8
SML-211YT※/※1SML-212YT※
SML-211WT※/※1
SML-210YT※
Green (M, P) （Ta=25˚C, IF＝20mA）
Package
size(mm)
Luminous
Intensity
(mcd)
Height(mm)
F G H J K L M N P Q R S T U V W X
0.63 to 1.0
1.0 to 1.6 1.6 to 2.5 2.5 to 4.0 4.0 to 6.3 6.3 to 10 10 to 16 16 to 25 25 to 40 40 to 63
63 to 100 100 to 160 160 to 250 250 to 400 400 to 630
630 to 1000 1000 to 1800
Mini-mold
Chip LEDs 20125 0.8 SML-210PT※
SML-210MT※
＊Please note that the brightness of some products may fall between ranks (half rank).
※Brightness on specification sheet include tolerance of within ±10%.　※1 IF=2mA
Part No. Construction
Packing Specification
ROHM LED products are being shipped with desiccant (silica gel) concluded in moisture-proof bags.
Pasting the moisture sensitive label on the outer surface of the moisture-proof bags or enclosing the humidity indication card inside the bag is available upon request.
Please contact the nearest sales office or distributer if necessary.
∗ Concerning the Brightness rank
• Please refer to the rank chart above for luminous intensity classification.
• Part name is individual for each rank.
• When shipped as sample, the part name will be a representative part name.
General products are free of ranks. Please contact sales if rank appointment is needed.
S M L 2 1 0 MT T 8 6
Chip Special Code
Series name Package name Chip Type Emitting Color Resin Color Taping Specifications Rank sign (Brightness Rank)∗
V
U
0Standard Type
Low Current Type
1
2High Brightness Type D
Y
M
P
T
Transparent Colorless
Red:630nm
Red:620nm
Orange:605nm
WYellow:590nm
Yellow:587(590)nm
Yellowish-Green:572nm
Green:560nm
T86
T87
Cathode at sprocket hole side
Reverse of T86
N
SML-21 Series
3/3
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2010.11 - Rev.A
R1010
A
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
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Examples of application circuits, circuit constants and any other information contained herein
illustrate the standard usage and operations of the Products. The peripheral conditions must
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