LED SPECIFICATION
Part No.
Typical electrical/optical characteristic curves
50
551LW7C
FORWARD CURRENT Vs
FORWARD VOLTAGE
2.5
LUMINOUS INTENSITY Vs.
FORWARD CURRENT
Forward Current(mA)
40
30
20
10
0
2.0
2.4 2.8 3.2 3.6
Forward Voltage(V)
4.0
Luminous Intensity
Relative Value at IF=20mA
2.0
1.5
1.0
0.5
0
0
10
20
40
30
IF-Forward Current (mA)
50
Relative Luminous Intensity
50
FORWARD CURRENT
DERATING CURVE
LUMINOUS INTENSITY Vs.
AMBIENT TEMPERATURE
2.5
2.0
1.5
1.0
0.5
0
Forward Current(mA)
40
30
20
10
0
0
20
40
60
80
100
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Ambient Temperature T
A
(¡ æ
)
-40
-20
0
20
60
80
40
Ambient Temperature T
A
(¡ æ
)
100
Page: 4 of 4
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