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L1915 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – TO-46 type GaAIAs infrared LED
LED
Infrared LED
L1915 series
TO-46 type GaAlAs infrared LED
L1915 is mounted on a TO-46 metal stem potted with clear epoxy resin. L1915-01 is encapsulated in a TO-46 package sealed with a glass lens
window. L1915-02 is also encapsulated in a TO-46 package but sealed with a flat glass window.
Features
l High radiant output power
l Direct modulation possible
l High reliability and long life
Applications
l Auto-focus
l Automatic control systems
l Optical switches
l Mark sensors
l Optical remote control
I Absolute maximum ratings (Ta=25 °C)
Parameter
Symbol
Condition
Value
Unit
Forward current
I.
100
mA
Reverse voltage
V4
5
V
Pulse forward current
I.2
Pulse width=10 µs
Duty ratio=1 %
1.5
A
Operating temperature
Topr
-30 to +85
°C
Storage temperature
Tstg
-40 to +100 *
°C
* L1915 is guaranteed to resist temperature cycle test of up to 5 cycles.
I Electrical and optical characteristics (Ta=25 °C)
Parameter
Symbol
Condition
Peak emission wavelength
Spectral half width
Forward voltage
Pulse forward voltage
Reverse current
Radiant flux
Radiant illuminance
Rise time
Fall time
lp I.=50 mA
Dl I.=50 mA
V. I.=50 mA
V.2 I.=1.5 A
I4 V4=5 V
fe I.=50 mA
P- I.=50 mA
tr I.=50 mA, 10 to 90 %
tf I.=50 mA, 90 to 10 %
L1915
Min. Typ. Max.
870 890 920
- 80 -
- 1.4 1.5
- 3.1 3.8
- -5
8 10 -
- 1.0 -
- 0.45 0.7
- 0.45 0.7
L1915-01
Min. Typ. Max.
870 890 920
- 80 -
- 1.4 1.5
- 3.1 3.8
- -5
3.6 4.5 -
- 2.7 -
- 0.45 0.7
- 0.45 0.7
L1915-02
Min. Typ. Max.
Unit
870 890 920 nm
- 80 -
nm
- 1.4 1.5
V
- 3.1 3.8
V
- -5
µA
3.6 4.5 -
mW
- 1.0 - mW/cm
- 0.45 0.7 µs
- 0.45 0.7 µs