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L1939-04 Datasheet

  • L1939-04

  • 300 レm emission spot, no electrode in emission area

  • 2頁

  • HAMAMATSU

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LED
Infrared LED
L1939 series
蠁300
碌m emission spot, no electrode in emission area
Features
Applications
l
Small emission spot:
蠁300
碌m
l
Wide directivity
l
High reliability, long life
l
Auto-focus
l
Optical switches
l
Mark sensors
s
Absolute maximum ratings (Ta=25
擄C)
Parameter
Forward current
Reverse voltage
Symbol
I
F
V
R
I
FP
Topr
Tstg
Condition
Pulse forward current
Operating temperature
Storage temperature
Pulse width=10 碌s
Duty ratio=1 %
Value
100
5
1.5
-30 to +85
-40 to +100 *
Unit
mA
V
A
擄C
擄C
* L1939 is guaranteed to resist temperature cycle test of up to 5 cycles.
s
Electrical and optical characteristics (Ta=25
擄C)
Parameter
Peak emission
wavelength
Spectral half width
Forward voltage
Pulse forward voltage
Reverse current
Radiant flux
Radiant illuminance
Rise time
Fall time
Symbol
位p
鈭單?/div>
V
F
V
FP
I
R
蠁e
P
E
tr
tf
Condition
I
F
=50 mA
I
F
=50 mA
I
F
=50 mA
I
F
=1.5 A
V
R
=5 V
I
F
=50 mA
I
F
=50 mA
I
F
=50 mA, 10 to 90 %
I
F
=50 mA, 90 to 10 %
Min.
870
-
-
-
-
8.0
-
-
-
L1939
Typ.
890
50
1.4
2.7
-
10.0
0.4
0.45
0.45
Max.
920
-
1.5
3.4
5
-
-
0.7
0.7
Min.
870
-
-
-
-
2.0
-
-
-
L1939-04
Typ.
890
50
1.4
2.7
-
2.8
0.35
0.45
0.45
Max.
920
-
1.5
3.4
5
-
-
0.7
0.7
Unit
nm
nm
V
V
碌A(chǔ)
mW
mW/cm
2
碌s
碌s

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