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L7868-01 Datenblatt(PDF) 1 Page - Hamamatsu Corporation

Teilenummer L7868-01
Bauteilbeschribung  Small emission spot, red LED using current confined chip
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Hersteller  HAMAMATSU [Hamamatsu Corporation]
Direct Link  http://www.hamamatsu.com
Logo HAMAMATSU - Hamamatsu Corporation

L7868-01 Datenblatt(HTML) 1 Page - Hamamatsu Corporation

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Features
l Small emission spot
L7868:
φ400 µm
L7868-01:
φ150 µm
l Uniform emission pattern
l Narrow directivity: L7868-02
Applications
l Optical switches
l Automatic control system
LED
Red LED
Small emission spot, red LED using current confined chip
L7868 series
L7868/-02 are red LEDs with a microball lens bonded to the current-confined structure chip surface. L7868-01 uses the same structure LED chip
with no microball lens and provides a smaller emission spot of
φ150 µm. L7868-02 uses a glass lens window for even narrower directivity (beam
spread).
1
s
Absolute maximum ratings (Ta=25 °C, unless otherwise noted)
Parameter
Symbol
Condition
Value
Unit
Reverse voltage
V4
3V
Forward current
I.
60
mA
Forward current
derating rate
-Ta > 25 °C
0.8
mA/°C
Pulse forward
current
I.2
Pulse width=10 µs
Duty ratio=1 %
0.5
A
Pulse forward
current derating rate
-Ta > 25 °C
7
mA/°C
Power dissipation
P
180
mW
Operating
temperature
Topr
-30 to +85
°C
Storage temperature Tstg
-40 to +100
°C
s
Electrical and optical characteristics (Ta=25 °C)
L7868
L7868-01
L7868-02
Parameter
Symbol
Condition
Min.
Typ. Max. Min.
Typ. Max. Min.
Typ. Max.
Unit
Peak emission
wavelength
lp
I.=20 mA
650
670
700
650
670
700
650
670
700
nm
Spectral half width
(FWHM)
Dl
I.=20 mA
-
20
-
-
20
-
-
20
-
nm
Radiant flux
fe
I.=20 mA
0.35
0.45
-0.15
0.2
-0.35
0.45
- mW
Radiant illuminance
P-
I.=20 mA
-
0.1
-
-
-
-
-
0.4
-
mW/cm
Forward voltage
V.
I.=20 mA
-1.9
2.2
-1.9
2.2
-1.9
2.2
V
Pulse forward
voltage
V.2
I.=0.5 A
-
4.3
5.5
-
4.3
5.5
-
4.3
5.5
V
Reverse current
I4
V4=3 V
--10
--10
--10
µA
Rise time
tr
I.=20 mA,
10 % to 90 %
-
0.06
0.1
-
0.06
0.1
-
0.06
0.1
µs
Fall time
tf
I.=20 mA,
90 % to 10 %
-0.06
0.1
-0.06
0.1
-0.06
0.1
µs


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