ROHM SML

SML-810MT
Light Emitting Diodes
Reverse mount type chip LED
SML- 810MT
The SML-810 is reverse mount type chip LEDs. Due to reverse mounting , it will make thinner for the sets.
!External dimensions (Units : mm)
!Features
1) Green colored light emisson.
2) Small shaped (3.4×1.25mm).
3) Can be mounted by automatic mounting.
3.4 +0.2
0
1.2
1.25
R 1.25
0.3
Resisit
0.28
1.1
4−R
Cathode Index
Electrode
1.8
(units : mm)
Tolerances are ±0.1
unless otherwise noted:
!Selection guide
Emitting color
Green
Lens
Clear
SML-810MT
!Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Unit
Power dissipation
PD
65
mW
Forward current
IF
25
mA
Peak forward current
IFP
60
mA∗
Reverse voltage
VR
4
V
Operating temperature
Topr
−30~+85
°C
Storage temperature
Tstg
−40~+85
°C
∗Pulse width 1ms Duty 1/5
1/3
SML-810MT
Light Emitting Diodes
!Electrical and optical characteristics (Ta=25°C)
Parameter
Color
VF (V)
Type
MT
Green
2.2
Cond. IR (µA) Cond.
2.6
100
20
Peak
wavelength
Luminous intensity
Max. IF (mA) Max. VR (V)
Typ.
SML-810
Reverse
current
Forward voltage
4
Cond. λP (nm) Cond. ∆λ (nm) Cond.
IV (mcd)
Min.
Spectral line
half width
Typ. IF (mA) Typ. IF (mA)
5.6
16
20
570
20
Typ. IF (mA)
40
20
!Directional pattern
X'
X
Y
SCANNING ANGLE (deg)
20
0
10
10
SCANNING ANGLE (deg)
Y'
20
30
40
40
80
80
0
20
30
40
50
90
100
50
60
60
70
70
50
10
50
60
60
0
40
50
50
90
100
10
20
30
30
70
70
80
80
90
100
50
RELATIVE INTENSITY (%)
0
90
100
50
RELATIVE INTENSITY (%)
Fig.1 Directional pattern
!Electrical characteristic curves
1.6
1.0
0.1
1.0
1.5
2.0
2.5
FORWARD VOLTAGE : VF (V)
Fig.2 Forward current
vs. forward voltage
3.0
0.8
100Hz
200Hz
500Hz
2kHz
1kHz
1.0
10kHz
5kHz
1.2
20kHz
1.4
50kHz
10.0
10
IF=20mA
IFP Max / IF Max
Ta=25°C
RELATIVE LUMINOUS INTENSITY
FORWARD CURRENT : IF (mA)
100.0
2.4
0.6
0.4
−20 −10 0
10 20 30 40 50 60 70 80
CASE TEMPERATURE : TC (°C)
Fig.3 Relative luminous intensity
vs. case temperature
1
1
10
100
1000
10000
PULSE DURATION : tW (µs)
Fig.4 Patio of maximum tolerable peak
current vs. pulse duration
2/3
SML-810MT
RELATIVE LUMINOUS INTENSITY
3.0
f=1kHz
2.5
DC
2.0
1.5
DF=50%
1.0
20%
15%
10%
5%
0.5
0
0
10
20
30
40
50
60
MAXIMUM FORWARD CURRENT : (mA)
Light Emitting Diodes
40
30
20
10
0
0
10 20 30 40 50 60 70 80 90 100
PEAK FORWARD CURRENT : (mA)
AMBIENT TEMPERATURE : Ta (°C)
Fig.5 Relative luminous intensity
vs. forward current
Fig.6 Maximum forward current
vs. ambient temperature
(Derating)
3/3