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L5871 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – Plastic package LED for camera auto-focus
LED
Infrared LED
L5871, L6486
Plastic package LED for camera auto-focus
Features
l Low forward voltage: 2.4 V (IF=1.0 A)
l High radiant output power by constant voltage drive
l Small emission spot (reflector size)
Applications
l Auto-focus
I Absolute maximum ratings (Ta=25 °C)
Parameter
Symbol
Condition
Forward current
I.
Reverse voltage
V4
Pulse forward current
I.2
Pulse width=10 µs
Duty ratio=1 %
Operating temperature
Topr
Storage temperature
Tstg
Value
Unit
80
mA
3
V
1.0
A
-25 to +80
°C
-30 to +100
°C
I Electrical and optical characteristics (Ta=25 °C)
Parameter
Symbol
Condition
Min.
Peak emission wavelength lp I.=50 mA
880
Spectral half width
Dl I.=50 mA
-
Forward voltage
V. I.=50 mA
-
Pulse forward voltage
V.2 I.=1.0 A
-
Reverse current
I4 V4=3 V
-
Radiant flux
fe I.=50 mA
5.0
Radiant illuminance
P- I.=50 mA
-
Rise time
tr I.=50 mA, 10 to 90 % -
Fall time
tf I.=50 mA, 90 to 10 % -
L5871
Typ.
900
60
1.35
2.4
-
7.0
0.7
0.45
0.45
Max.
930
-
1.45
2.8
30
-
-
0.7
0.7
L6486
Min. Typ. Max.
Unit
880 900 930
nm
-
60
-
nm
-
1.35 1.45
V
-
2.4
2.8
V
-
-
30
µA
5.0
7.0
-
mW
-
0.4
- mW/cm
-
0.45 0.7
µs
-
0.45 0.7
µs
1