■
SURFACE MOUNT LED
PY1111C
■
Power Dissipation vs. Ambient Temperature
■
Ambient Temperature vs. Maximum Forward Current
■
Pulse Duration vs.Maximum Tolerable Peak Current
≥
_
f 50Hz
≤
_
Ta=25˚C
tw 1ms
3
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
Duty 5%
2.5
2.4
Duty 10%
Duty 20%
Duty 50%
2
100Hz
50Hz
10kHz
1kHz
1.5
DC
1
0
1
101
102
103
104
105
-30 -10 10 30 50 70 90
-30 -10 10 30 50 70 90
Ambient Temperature Ta(˚C)
Ambient Temperature Ta(˚C)
Pulse Duration
■ Forward Voltage vs. Forward Current
■ Forward Current vs. Relative Intensity
■ Ambient Temperature vs. Relative Intensity
Ta=25˚C
Ta=25˚C
1.6
IF=20mA
10
5
100
50
1.4
1.2
1
30
20
10
5
2
1
0.8
0.6
0.4
0.2
2
1
0.5
0.5
0.2
0.1
0.2
0.1
-30 -10 10 30 50 70 90
0
5
10 15 20 25
1.0
1.5
2.0
2.5
3.0
Forward Voltage VF (V)
Forward Current IF (mA)
Ambient Temperature Ta(˚C)
■ Spectral Distribution
Ta=25˚C
=20mA
I
F
1.0
0.8
0.6
0.4
0.2
0
500
550
600
650
Wave Length λ(nm)