Data Sheet
1.25
4.2
Hole
φ2.4
Tolerance : ±0.1
（unit : mm） （unit : mm）
SML-81 Series
RELATIVE 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’
RELATIVE INTENSITY (%)
10°
10° 20°
20°
40°
50°
70°
80°
40°
50°
70°
80°
0 50 10050100
0°
30°
60°
90°
30°
60°
90°
YX
RELATIVE 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’
RELATIVE INTENSITY (%)
10°
10° 20°
20°
40°
50°
70°
80°
40°
50°
70°
80°
0 50 10050100
0°
30°
60°
90°
30°
60°
90°
YX
SML-811(A) / SML-812 / SML-810 Series
SML812BCT
Features
・Reverse-mount type
3412（1305）
3.4×1.25mm（t=1.1mm）
＊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-811UT(A)
AIGaInP
on GaAs
Red
62
25
100
＊25 -40 to +85 -40 to +100 1.95 10
100
5
615 620 625
10
11.2 22.4
10
■SML-811DT(A)
Orange
602 605 608
■SML-811WT(A)Yellow 587 590 593
14
28
■SML-812MT
Yellowish
Green
65 60
＊14
-30 to +85 -40 to +85
2.1
20
4
569 572 575
20
40
20
■SML-810MT GaP 2.2 567 570 573 5.6 16
■SML812BCT InGaN Blue 80 20 100
＊25 3.3 5 464 470 476 22 56
RELATIVE INTENSITY (%)
RELATIVE INTENSITY (%) RELATIVE INTENSITY (%)
RELATIVE INTENSITY (%)
Specifications
Dimensions
Recommended Solder Pattern
Viewing Angle
Color
Type U D WM B
1/3
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2011.05 - Rev.B
FORWARD CURRENT：IF (mA)
FORWARD VOLTAGE：VF (V)
2.0 2.5 3.0 3.5 4.0
1
10
100 Ta=25°C ■■
SML
812
BCT
FORWARD CURRENT：IF (mA)
FORWARD VOLTAGE：VF (V)
1.0 1.5 2.0 2.5 3.0
1
10
100 Ta=25°C ■
■
■
SML-
812
MT
■
SML-
810
MT
FORWARD CURRENT：IF (mA)
FORWARD VOLTAGE：VF (V)
1.0 1.5 2.0 2.5 3.0
1
10
100 Ta=25°C ■■
SML-
811
UT(A)
■
SML-
811
DT(A)
■
SML-
811
WT(A)
RELATIVE LUMINOUS INTENSITY (a.u.)
ATMOSPHERE TEMPERATURE：Ta
(°C)
0.4
0.6
0.8
1.0
1.2
1.4
1.6
10080604020-0-20-40
IF=20mA ■■
SML
812
BCT
RELATIVE LUMINOUS INTENSITY (a.u.)
FORWARD CURRENT：IF
(mA)
0 5 10 15 20 25
0
0.5
1.0
1.5 f=1kHz
MAXIMUM FORWARD CURRENT：IF(mA)
AMBIENT TEMPERTURE：Ta (°C)
-40 0-20 20 40 60 80 100
0
10
20
30
■■
SML-
812
MT
■
SML-
810
MT
RELATIVE LUMINOUS INTENSITY (a.u.)
ATMOSPHERE TEMPERATURE：Ta
(°C)
0.4
0.6
0.8
1.0
1.2
1.4
1.6
-40 -20 0 20 40 60 80 100
IF=10mA ■■
SML-
811
UT(A)
■
SML-
811
DT(A)
■
SML-
811
WT(A)
RELATIVE LUMINOUS INTENSITY (a.u.)
FORWARD CURRENT：IF
(mA)
0 5 10 15 20 25
0
0.5
1.0
1.5
2.0
2.5 f=1kHz ■■
SML-
811
UT(A)
■
SML-
811
DT(A)
■
SML-
811
WT(A)
MAXIMUM FORWARD CURRENT：IF(mA)
AMBIENT TEMPERTURE：Ta (°C)
-40 0-20 20 40 60 80 100
0
10
20
30
RELATIVE LUMINOUS INTENSITY (a.u.)
ATMOSPHERE TEMPERATURE：Ta
(°C)
0.4
0.6
0.8
1.0
1.2
1.4
1.6
10080604020-0-20-40
IF=20mA ■
■
■
SML-
812
MT
■
SML-
810
MT
■■
SML-
812
MT
■
SML-
810
MT
RELATIVE LUMINOUS INTENSITY (a.u.)
FORWARD CURRENT：IF (mA)
0
0.2
0.4
0.6
0.8
1.2
1.0
20151050
Ta=25°C ■■
SML
812
BCT
MAXIMUM FORWARD CURRENT：IF (mA)
AMBIENT TEMPERTURE：Ta (°C)
0
10
20
30
100
806040200-20-40
■■
SML
812
BCT
■■
SML-
811
UT(A)
■
SML-
811
DT(A)
■
SML-
811
WT(A)
Forward Current-Forward Voltage
Electrical Characteristics Curves
Luminous Intensity-Atmosphere Temperature
Luminous Intensity-Forward Current
Derating
SML-81 Series
2/3
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2011.05 - Rev.B
SML812BCT
SML-81 Series
Rank Reference of Brightness
Red (U) Orange (D) Yellow (W) （Ta=25˚C, IF＝20mA）
Package
size(mm)
Luminous
Intensity
(mcd)
Height(mm)
AG AH AJ AK AL AM AN AP AQ AR AS AT AU AV AW AX
9.0 to 11.2 11.2 to 14
14 to 18
18 to 22.4 22.4 to 28 28 to 35.5 35.5 to 45
45 to 56 56 to 71 71 to 90
90
to
112
112 to 140 140 to 180 180 to 224 224 to 280 280 to 355
Reverse
Mount Chip
LEDs
34125 1.1
SML-811UT(A)
SML-811DT(A)
SML-811WT(A)
＊Please note that the brightness of some products may fall between ranks (half rank).
Green (M) Blue (B) （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
Reverse
Mount Chip
LEDs
34125 1.1
SML-810MT※
SML-812MT※
※Brightness on specification sheet include tolerance of within ±10%.
Part No. Construction
∗ 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 8 1 2 M T T 8 6
∗ “−” will be taken out for
emitting color B series.
Series name Package type Chip Type Emitting Color Resin Color Taping Specifications Rank sign (Brightness Rank)∗
U
1
0Standard Type
2High Brightness Type
Low Current Type D
W
M
B
T86
T87
1
Cathode at sprocket hole side
For white LED, cathode at sprocket hole side
Reverse of T86
WMilkyWhite
Red:620nm
Orange:605nm
Yellow:590nm
Yellowish-Green:570(572)nm
Blue:470nm
P
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.
3/3
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com 2011.05 - Rev.B
R1120A
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
Notice
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Notes
