SML-210 Series
LED lamps
5/5
1
2
2.4
3
4
5
6
RATIO of MAXIMUM TOLERABLE PEAK CURRENT
to MAXIMUM TOLERABLE DC CURRENT
I
F
peak
M
ax.
I
F
M
ax.
PULSE DURATION : Tw
(µs)
105205010
2
10
3
10
4
50kHz
20kHz
10kHz
5kHz
2kHz
1kHz
500Hz
200Hz
100Hz
Fig. 23 Maximum tolerable peak current
vs. pulse duration
3.0
2.5
2.0
1.5
1.0
0.5
0
0 102030405060
RELATIVE LUMINOUS INTENSITY
PEAK FORWARD CURRENT : I
F
peak
(mA)
Fig. 24 Luminous intensity vs.
peak forward current
f =1kHz
DC
15%
20%
10%
5%
DF = 50%
20
10
0
010
20 30 40 50 70 8060 90
30
AMBIENT TEMPERATURE : Ta
(˚C)
Fig. 25 Maximum forward current
vs. ambient temperature
MAXIMUM FORWARD CURRENT : IF
M
ax.
(mA)
!
!!
!
Electrical characteristics curves 5
(SML-210MT, SML-210FT, SML-210PT) (green)
FORWARD VOLTAGE : V
F
(V)
Fig. 26 Forward current vs.
forward voltage
FORWARD CURRENT : I
F
(
mA
)
20
10
5.0
2.0
1.0
0.5
0.2
0.1
1.5 2.0 2.5 3.0
50
Ta=25˚C
RELATIVE LUMINOUS INTENSITY
Fig. 27 Luminous intensity vs.
case temperature
CASE TEMPERATURE : Tc
(˚C)
1.4
1.2
1.0
0.8
0.6
0.4
40-20 200
60 80
1.6
I
F
=20mA
SML-210PT
SML-210MT,FT
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0.5 1 2
51020 50
100
5
FORWARD CURRENT : I
F
(mA)
Fig. 28 Luminous intensity vs.
forward current
RELATIVE LUMINOUS INTENSITY
Ta=25˚C
SML-210MT, FT SML-210PT
1
2
2.4
3
4
5
6
RATIO of MAXIMUM TOLERABLE PEAK CURRENT
to MAXIMUM TOLERABLE DC CURRENT
I
F
peak
Max.
I
F
Max.
PULSE DURATION : Tw
(µs)
105205010
2
10
3
10
4
50kHz
20kHz
10kHz
5kHz
2kHz
1kHz
500Hz
200Hz
100Hz
Fig.29 Maximum tolerable peak current
vs. pulse duration
3.0
2.5
2.0
1.5
1.0
0.5
0
0 102030405060
RELATIVE LUMINOUS INTENSITY
PEAK FORWARD CURRENT : I
F
peak
(mA)
Fig. 30 Luminous intensity vs.
peak forward current
f =1kHz
DC
15%
20%
10%
5%
DF = 50%
20
10
0
010
20 30 40 50 70 8060 90
30
AMBIENT TEMPERATURE : Ta
(˚C)
Fig. 31 Maximum forward current
vs. ambient temperature
MAXIMUM FORWARD CURRENT : IF
M
ax.
(mA)
