Infrared LED
L10596 series
Small emission spot LED using current con-
ned chip
The L10596 is infrared LED with a microball lens cemented to the current con nement chip surface. This combination ensures
narrow directivity and uniform emission. In particular, the L10596-02 uses a lens cap that delivers even narrower directivity. As a
variant type not using a microball lens, the L10596-03 is also available with the LED chip potted with resin, which gives a small
emission spot of
φ160
m. The L10569 series has a light-re ecting layer inserted between the emission section and the GaAs
substrate, which increases the light output by 1.5 times (L10596-03: 1.3 times) that of conventional products.
Features
High radiant output power:
L10596/-02: 3.0 mW (IF=50 mA typ.)
Uniform emission
Small emission spot:
L10596:
φ400
m
L10596-03:
φ160
m
Narrow directivity (L10596/-02)
Applications
Automatic control systems
Optical switches
Absolute maximum ratings (Ta=25 °C)
Parameter
Forward current
Reverse voltage
Pulse forward current
Operating temperature
Storage temperature
Symbol
I
F
V
R
I
FP
Topr
Tstg
Condition
Value
80
3
0.45
-30 to +85
-40 to +100
Unit
mA
V
A
°C
°C
Pulse width=10 s
Duty ratio=1%
*
1
*1:
The L10596-03 is guaranteed to resist temperature cycle test of up to 5 cycles.
Electrical and optical characteristics (Ta=25 °C)
Parameter
Peak emission wavelength
Spectral half width
Forward voltage
Pulse forward voltage
Reverse current
Radiant ux
Cut-off frequency*
2
Symbol
λp
Δλ
V
F
V
FP
I
R
φe
fc
Condition
Min.
850
-
-
-
-
2.1
10
L10596
L10596-02
L10596-03
Typ. Max. Min. Typ. Max. Min. Typ. Max.
870 890 850 870 890 850 870 890
35
50
-
35
50
-
35
50
1.6 1.8
-
1.6 1.8
-
1.6 1.8
3.3 4.1
-
3.3 4.1
-
3.3 4.1
-
10
-
-
10
-
-
10
3.0
-
2.1 3.0
-
5.0 6.5
-
15
-
10
15
-
10
15
-
Unit
nm
nm
V
V
A
mW
MHz
I
F
=50 mA
I
F
=50 mA
I
F
=50 mA
I
F
=0.45 A
V
R
=3 V
I
F
=50 mA
I
F
=50 mA ± 10 mAp-p
*2:
Frequency at which the radiant output drops by 3 dB relative to the output at 100 kHz
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